Cigarette smoking and short-term addiction treatment outcome

Cigarette smoking is common among patients in cocaine and opioid dependence treatment, and may influence treatment outcome. We addressed this issue in a secondary analysis of data from an outpatient clinical trial of buprenorphine treatment for concurrent cocaine and opioid dependence (13 weeks, N=200). The association between cigarette smoking (lifetime cigarette smoking status, number of cigarettes smoked per day prior to study entry) and short-term treatment outcome (% of urine samples positive for cocaine or opioids, treatment retention) was evaluated with analysis of covariance, bivariate correlations, and multivariate linear regression. Nicotine-dependent smokers (66% of participants) had a significantly higher percentage of cocaine-positive urine samples than non-smokers (12% of participants) (76% vs. 62%), but did not differ in percentage of opioid-positive urine samples or treatment retention. Number of cigarettes smoked per day at baseline was positively associated with percentage of cocaine-positive urine samples, even after controlling for baseline sociodemographic and drug use characteristics, but was not significantly associated with percentage of opioid-positive urine samples or treatment retention. These results suggest that cigarette smoking is associated with poorer short-term outcome of outpatient treatment for cocaine dependence, but perhaps not of concurrent opioid dependence, and support the importance of offering smoking cessation treatment to cocaine-dependent patients.

Health services implications of DNA testing

This review article summarizes the state of the art in genetic testing and discusses the many issues that new technologies have raised. A health services perspective is offered to aid in providing laboratorians with an understanding of the dilemma that society faces with the exponential advances in knowledge. Unmistakably, these new technologies are a mixed blessing: on the one hand, diagnoses can be made with greater accuracy and preventive measures implemented more fruitfully and individuals may be more conclusively identified and/or exonerated for forensic purposes. On the other hand, however, are the very real concerns that discrimination under a medical guise will be encouraged and that privacy rights may be compromised. Another important issue is how the laboratory profession will serve in moving these new technologies from research to practice. We examine the role of the CLS in moving forward to a role of patient counselor and advocate in the emerging complex world of DNA-related biotechnology.

Changes in economically disadvantaged adolescents' knowledge and beliefs about HIV/AIDS

PURPOSE

The purpose of this study was to compare HIV/AIDS related knowledge and beliefs in two cohorts of economically disadvantaged adolescents (n = 132). Participants were between 15 and 21 years old, predominately African-American and Hispanic, and participants in a Job Training Partnership Act (JTPA) summer program. The hypothesis was that adolescent HIV/AIDS-related knowledge would be higher in 1999 than in 1994.

METHODS

A cohort of sixty-six (66) adolescents were surveyed in 1994 and another cohort of 66 adolescents was surveyed again in 1999, all participating in the JTPA program. Participants' knowledge and beliefs were assessed using the National Adolescent Student Health Survey.

RESULTS

A statistically significant increase in overall HIV/AIDS knowledge occurred between the two measurements. Fifty-five percent (55.6%) of the 1999 cohort believed that HIV could be contracted by donating blood, compared to 47.5% of the 1994 cohort. Belief that it is more likely to become infected with the AIDS virus through male to male sex was higher in 1999 by 2% and was 10% higher for female to female sex.

CONCLUSIONS

Adolescent misconceptions/misinformation, gender-based lack of knowledge, increased perception of immunity from HIV infection, and a reported reduction in health education courses were all factors in the adolescents' continued engagement in risky sexual activities. Given these findings, and that AIDS is predicted to be one of the top five causes of death among young people, increased gender- and ethnic-specific HIV intervention programs are recommended.

A comparison of psychosocial barriers among welfare recipients: implications for drug treatment

Implementation of Temporary Assistance for Needy Families (TANF) presents welfare recipients with time-limited benefits and work requirements. However, it is estimated that over 140,000 welfare recipients meet the DSM-IV criteria for "drug dependence". In this study, samples of chronic drug using and non-drug using female TANF recipients were compared with regard to: current employment, psychological functioning, self-perceived employment skills, barriers to employment, and need for help in seeking employment. It was found that non-drug using study participants were significantly more likely to be employed and reported significantly higher self-perceived work skills than users. Chronic users reported significantly greater barriers to seeking employment.

Clinical and cerebral blood flow changes in catatonic patients treated with ECT

OBJECTIVE

To determine changes in clinical manifestations and cerebral blood flow (CBF) before and after administration of ECT to patients with catatonia due to schizophrenia or mood disorders.

METHODS

A sample of nine patients who met DSM-IV criteria for catatonia was studied. Patients received between 5 and 15 sessions (thrice per week) of ECT. Severity of catatonia was measured with the Modified Rogers Scale (MRS). Changes in CBF were measured with a brain single positron emission computer tomography (SPECT) that was performed 1 week before the first ECT and 1 week after the last ECT.

RESULTS

Catatonia was due to schizophrenia in five patients and mood disorders in four patients. There were no significant clinical and brain SPECT differences between these two groups before treatment. Pre- vs. post-ECT comparisons showed significant reduction of catatonic symptoms in both groups. However, patients with mood disorders needed less ECT sessions and showed greater clinical improvement. Brain SPECT showed significant increase in CBF in parietal, temporal, and occipital regions in patients with mood disorder and no significant changes in patients with schizophrenia.

CONCLUSIONS

These results support the efficacy of ECT for treatment of catatonic patients, especially secondary to mood disorders, which seem to be correlated with improvements in CBF.

Partner concordance in reports of joint risk behaviors

OBJECTIVE

To evaluate the accuracy of self reports on sexual and drug use behaviors.

METHODS

Data from a network study of HIV transmission among a sample of drug users and nonusers are used to compare reports of sexual and drug use behaviors by partners who engaged in those behaviors. Partner concordance (self-report agreement between two people) was used as an estimate of validity.

RESULTS

Results showed that persons are able to recall and report about 85% of their recent partners (15%-20% less for recent drug use partners). For relationships that were reported by both partners, a high degree of concordance existed about recent behaviors (83%-96%) and variable agreement about frequency (0.48 </= r </= 0.86). When the time between interviews was longer, then recall, behavioral concordance, and agreement about frequency were lower.

CONCLUSIONS

Underreporting of sex and drug partners may make HIV prevention and intervention efforts more difficult if risk partners cannot be identified. The ability to reach out to all affected partners is critical in the effort to contain any epidemic. Underreporting may also skew epidemiologic projections on which many policy decisions are made.

Psychiatric care of patients with depression and comorbid substance use disorders

BACKGROUND

The goal of this study was to describe the sociodemographic and clinical characteristics and routine psychiatric care of depressed patients with or without substance use disorders (SUDs) and to assess the association between the presence of comorbid SUD and the psychiatric management of patients with depression.

METHOD

Each of a sample of 531 psychiatrists participating in the Practice Research Network (PRN) of the American Psychiatric Institute for Research and Education was asked to provide information about 3 randomly chosen patients. Data were collected using a self-administered questionnaire, which generated detailed diagnostic and clinical data on 1228 psychiatric patients. Weighted data were analyzed using the SUDAAN software package. Multivariate logistic regression was used to compare depressed patients with and without SUD.

RESULTS

A total of 595 patients (48.4%) were diagnosed with depression (DSM-IV criteria). The prevalence of SUD (excluding nicotine dependence) in this group was 18.1%. The group with SUD had a significantly larger proportion of males, young adults, patients seen in public general hospitals, and non-managed care public plans. No significant group differences were found for primary payer, locus of care, length of treatment, type of current or past treatment, and prescription of medications. Only 2.2% of SUD patients were prescribed with an anti-SUD medication (i.e., disulfiram and naltrexone).

CONCLUSION

Concomitant SUDs have little effect on the routine psychiatric care of depressed patients. Efforts should be made to improve the identification and management of depressed patients with SUD.

Labor force participation in a sample of substance users

This paper reviews the microeconomic theory underlying the work/leisure tradeoff and how this tradeoff may be manifested among substance users. The effects of drug use, demographic factors, and income factors on the probability of labor force participation are analyzed in a sample of 687 male and 327 female drug users. The decision not to seek employment appears to be associated primarily with non-job-related sources of income (including illegal sources).

Age and HIV risk in a national sample of injection drug and crack cocaine users

A national sample of 25,106 out-of-treatment crack cocaine and injection drug users was examined to determine the effect of aging on HIV risk behavior. Injectors and crack cocaine users aged 55 and over were compared to those who were aged 18 to 54 years of age. Results showed that the behavior risk of older persons did not differ substantially from those reported by other age groups, and that injection risk rose steadily along with age for all ages represented in the sample. The authors conclude that older persons who use illegal drugs remain at elevated risk for HIV compared to the general population, and may be in need of more targeted intervention strategies.

Normative influence on condom use in the personal networks of female cocaine smokers

Attitudes-norms research (the theories of planned behavior and reasoned action) has been successful in accounting for many types of behavior change. One of the strengths of this approach has been to combine individual beliefs and normative influences in the explanation of behavior change. However, the conceptualization of normative influence in these theories makes very strong assumptions about self-awareness in the selection of normative referents. These assumptions are particularly problematic when applied to female cocaine smokers, who report frequent sex while under duress or while cognitively impaired. In this study the original conceptualization of normative influence and two alternatives (assuming emotion-based and interaction-based selection of normative referents) are operationalized to evaluate stage of change for condom use among women who are heavy crack cocaine users with multiple sex partners. Results show that stage of change for use of condoms with nonmain partners is best accounted for by interaction-based selection of normative referents.

Pathological gambling among cocaine-dependent outpatients

OBJECTIVE

The authors investigated the occurrence of pathological gambling among cocaine-dependent outpatients, its influence on short-term outcome of treatment, and comparative characteristics of patients with and without pathological gambling.

METHOD

The subjects were 313 cocaine-dependent (200 also opiate-dependent) outpatients in clinical trials of medication for cocaine dependence. Pathological gambling (DSM-III-R criteria) was assessed with the Diagnostic Interview Schedule, and sociodemographic and socioeconomic characteristics were determined with the Addiction Severity Index. Outcome was defined as time in treatment (proportion of maximum scheduled time) and proportion of cocaine-positive urine samples during treatment.

RESULTS

Pathological gambling had a lifetime occurrence rate of 8.0% and a current (past month) occurrence of 3.8%. Onset preceded the onset of cocaine dependence in 72.0% of the patients (and preceded onset of opiate dependence in 44.4%). Patients with pathological gambling (lifetime or current) did not differ significantly from other patients in length of treatment or proportion of cocaine-positive urine samples. Those with lifetime pathological gambling were significantly more likely to have tobacco dependence (84.0% versus 61.1%) and antisocial personality disorder (56.0% versus 19.8%), to be unemployed (84.0% versus 49.3%), to have recently engaged in illegal activity for profit (64.0% versus 38.5%), and to have been incarcerated (62.5% versus 33.9%).

CONCLUSIONS

Pathological gambling is substantially more prevalent among cocaine-dependent outpatients than in the general population. Patients with pathological gambling differ from other cocaine-dependent outpatients in some sociodemographic characteristics but not in short-term outcome of treatment for cocaine dependence.

Economics as a factor in models of behavioral motivation and change

This note first presents a summary of four main behavioral models that are used to explain behavioral motivation and change. Three models are based on psychosocial theory. They are: 1) the Theory of Reasoned Action, 2) the Theory of Planned Behavior, and 3) the Theory of Stages-of-Change. The fourth model is based on economic theory and is known as the Rational Addiction Model. Each model is analyzed for its strengths and weaknesses. The note concludes by arguing for the usefulness of integrating the economic and the psychosocial models to study drug use. Specific examples and suggestions are presented.

Access as a managed care marketing outcomes measure

As their position in the health care market diminishes, HMOs are feeling the pinch from the competition. Purchasers of health plans have many more options available today than in the past. Employers can select from single or consolidated health plans, plans offered by coalitions, or plans offered by provider systems. Following closely behind the withstanding issue of controlling costs is quality of care and customer satisfaction. The bad press surrounding managed care is making employers demand assurances that employees will receive the best quality of care their money can buy. To assist in this endeavor managed care companies are focusing more on their customers. To this end marketers use report cards to assess purchaser and enrollee satisfactions, with the hope that if they have a happy customer, s/he will be a loyal one. This paper reviews current marketing strategies of managed care companies and their level of usefulness with respect to sustaining customers and hence market share.

A 12-year follow-up of a methadone medical maintenance program

Methadone Medical Maintenance (MDM) is an alternative for treatment of stable methadone maintained individuals. It involves a monthly physician's visit, at which methadone take-home doses are dispensed to last until the next appointment. The safety and efficacy of this treatment modality is currently under investigation. The purpose of this study was to evaluate the long-term safety and efficacy of MDM in a methadone program in Baltimore. A sample of 21 patients was enrolled in the study and followed for 12 years. They were evaluated once a month by a primary care physician affiliated with a methadone clinic who collected urine toxicology samples and dispensed the monthly methadone dose. The results showed that only 6 (28.6%) patients dropped out during the 12 years of the study. Twelve (0.5%) of 2,290 urine samples collected were positive for drugs. No methadone overdose or diversion was observed. Participants reported significant improvement in their quality of life. The results of this study support the safety and efficacy of medical maintenance of stable methadone maintained individuals.

Naltrexone shortened opioid detoxification with buprenorphine

This double-blind, randomized, placebo-controlled clinical trial evaluated the impact on withdrawal symptoms of (i) combining naltrexone with a 4-day buprenorphine taper for short opioid detoxification (NB Group), compared to (ii) using a 4-day buprenorphine taper alone, followed by naltrexone on day 8 (PB Group). Sublingual buprenorphine was administered on days 1-4 (26 mg total). For the NB Group (n = 32) escalating doses of oral naltrexone were given on days 2-8 (placebo day 1). For the PB Group (n = 28) placebo was given on days 1-7 and naltrexone on day 8. Main outcome measures were Observed Opioid Withdrawal scores (OOW, 0-30) and use of medications to treat opioid withdrawal. Of 32 patients in the NB group, 59% experienced clinically relevant withdrawal (defined as OOW > or = 5) on day 2, but, after day 5, none experienced withdrawal. In the PB group, the number of patients experiencing withdrawal increased over time. The first naltrexone dose induced comparable withdrawal in both groups: peak OOW scores were (mean +/- SD) 5.2 +/- 3.3 on day 2 for the NB group, and 4.0 +/- 3.9 on day 8 for the PB group (NS), though, on day 2, 7 patients dropped out in the NB group and none in the PB group, while only one patient dropped out in the PB group on day 8. Throughout the 8-day study, patients in both groups received similar amount of adjunct medication: 0.64 +/- 0.07 mg (NB group) of clonidine vs 0.73 +/- 0.15 mg (PB group; NS). Only 25% of patients required use of sedatives (up to 20 mg diazepam). Starting naltrexone on day 2 appeared to abolish withdrawal symptoms after day 5 and, thus, to shorten the duration of withdrawal symptoms. Peak withdrawal symptoms after naltrexone were of moderate intensity, suggesting that naltrexone combined with buprenorphine is an acceptable and safe treatment for shortened opioid detoxification and induction of naltrexone maintenance.

Access to HIV services by the urban poor

This paper examines the effect of HIV-health status and HIV-transmission mode on access to HIV-related services among African Americans, Hispanics and White HIV+ individuals. Data were collected from 169 African Americans, 72 Hispanics and 253 White HIV+ individuals seeking 8 social and 6 medical HIV services at 29 public and community-based organizations in Houston, Texas. A total of 42 separate logistic regressions were estimated for each HIV service and for each race/ethnic group. The results showed significant differences in access to HIV social services based on HIV-transmission mode among the three race/ethnic groups, but no significant differences were found in access to medical services based on either HIV status or HIV-transmission mode among the three race/ethnic groups.

A framework for assessing the effectiveness, efficiency, and equity of behavioral healthcare

OBJECTIVE

To evaluate the effectiveness, efficiency, and equity of behavioral healthcare and to guide an assessment of the current state of the art of behavioral health-oriented health services research.

STUDY DESIGN

The framework is grounded in previous conceptual work by the authors in defining a prevention- and outcomes-oriented continuum of healthcare and in identifying and integrating the concepts and methods of health services research and policy analysis for assessing healthcare system performance.

PATIENTS AND METHODS

The defining assumptions are that (1) the denominator for behavioral healthcare services must encompass a look at the population, not just the patients, who manifest behavioral health risks; and (2) the delivery system to address these needs must extend beyond acute, treatment-oriented services to include both primary prevention and aftercare services for chronic relapsing conditions.

RESULTS

Current policy and practice in behavioral healthcare reveal the absence of a comprehensive, coordinated continuum of care; substantial variation in policy and financial incentives to encourage such development; and poorly defined or articulated outcome goals and objectives. The current state of the art of research in this area reflects considerable imprecision in conceptualizing and measuring the effectiveness, efficiency, and equity criteria. Further, these 3 criteria have not been examined together in evaluating system performance.

CONCLUSIONS

The first era of behavioral healthcare focused on cost savings in managed care alternatives; the second is focusing on quality and outcomes; a third must consider the issues of equity and access to behavioral healthcare, especially for the most seriously ill and vulnerable, in an increasingly managed care-dominated public and private policy environment.

Alternative medicine as a carve-out in managed care

A major philosophical shift continues to occur in how health care is delivered in the United States. Traditional western medicine continues to develop new technologies that require new delivery systems, however, other factors are affecting this shift as well. Alternative medicine is one of these factors and is rapidly gaining attention. Alternative medicine is comprised of homeopathy, chiropractic, naturopathy, and cultural beliefs and practices such as those of the Native Americans or the Mexican Folk healers. Several managed care plans are now including alternative medicine as part of their product lines. Employers are moving from a passive role to an aggressive one in the selection of health care services available to their work force. This is in response to the changing demographics of the United States and the increased sensitivity to diversity in the work-place. Managed care companies have a marketing opportunity to increase their share of the market by looking at alternative medicine as a new product line designed to attract new subscribers. As with behavioral medicine, alternative medicine does not fit into the systems developed for delivering medical-surgical services. It, however, does not fit the systems developed for behavioral medicine either and appears to be a carve-out onto itself.

The role of parents in protecting Colombian adolescents from delinquency and marijuana use

OBJECTIVES

To identify general and differentiating risk and protective factors from domains of culture and ecology, peer, family, and personality, related to adolescent delinquency and marijuana use, and to study the protective role of the parent-child mutual attachment in offsetting cultural and ecological risk factors, leading to less delinquency and marijuana use.

DESIGN

Cross-sectional analyses of interview data collected in Colombia.

PARTICIPANTS

A total of 2837 Colombian adolescents, 12 to 17 years of age.

SETTING

Adolescents were interviewed in their homes.

MAIN MEASURES

Independent variables included measures from 4 domains: culture and ecology, peer, family, and personality. The dependent variables were delinquency and marijuana use.

RESULTS

Several risk factors, such as tolerance of deviance and sensation seeking, were similarly related to both delinquency and marijuana use, suggesting that a common cause underlies the propensity to engage in different deviant behaviors. Some risk factors were more involved in delinquency and other risk factors were more highly related to the adolescent's marijuana use. Finally, when violence is endemic and illegal drugs are readily available, a close parent-child bond was capable of mitigating these risk factors, leading to less marijuana use and delinquency.

CONCLUSIONS

The findings have implications for public health policy related to interventions in countries in which violence and drug use are prevalent. The results point to interventional procedures aimed at adolescents vulnerable to marijuana use and delinquency as well as efforts aimed at specific vulnerabilities in these areas. For example, reducing the risk factors and enhancing the protective factors for marijuana use and delinquency may result in less adolescent marijuana use and delinquency.

Estimated HIV risk among Hispanics in a national sample of drug users

OBJECTIVE

To estimate and compare the HIV risks among three Hispanic subpopulations.

METHODS

Chronic drug users participating in a nationwide intervention study on drug use were interviewed with regard to drug use and sexual behavior. HIV risk was estimated using information about individuals' HIV-relevant behaviors, the social context (i.e., city) in which such behaviors occur, and published estimates of HIV transmission for various risk behaviors. Multiple linear regression analysis was used to investigate differences in estimated HIV risk between Puerto Rican, Mexican-American, and Mexican drug users, accounting for sociodemographic factors, sexual preference, and geographic region.

RESULTS

Puerto Ricans had significantly greater estimated overall HIV risk, estimated injection risk, and in general, significantly greater estimated sexual risk than Mexican Americans and Mexicans. No significant differences were found in any estimated risk between Mexican Americans and Mexicans in this sample. No significant differences were found among any of the subgroups for estimated risk from having anal sex while using a condom, or from having receptive anal sex without using a condom.

CONCLUSIONS

These findings suggest that Puerto Ricans who use drugs experience a higher risk of HIV infection than other Hispanic drug users. Research is needed to identify which economic, social, and cultural components account for this increased risk.

Improvement in naltrexone treatment compliance with contingency management

The efficacy of a voucher-based incentive program for improving adherence to outpatient, thrice weekly naltrexone maintenance was tested in a three group, randomized, 12-week clinical trial. Voucher incentives were given as follows: contingent group (n = 19) for each consecutive naltrexone dose ingested; non-contingent group (n = 19) on unpredictable schedule independently of taking naltrexone; no-voucher group (n = 20) none. Vouchers were exchangeable for goods and services. The contingent group had significantly longer treatment retention and ingested significantly more doses of naltrexone (consecutive and total) than either control group. Voucher incentives can significantly increase adherence to naltrexone maintenance in recently detoxified opioid dependent individuals.

Broad beneficial effects of cocaine abstinence reinforcement among methadone patients

Escalating reinforcement for sustained abstinence has been effective in treating cocaine abuse. Under this schedule, patients receive vouchers for cocaine-free urine samples; vouchers have monetary values that increase with the number of consecutive cocaine-free urine samples. Cocaine-abusing methadone patients were randomly assigned to receive vouchers for 12 weeks under (a) an escalating schedule (n = 20), (b) an escalating schedule with start-up bonuses (n = 20), or (c) a noncontingent schedule (n = 19). Start-up bonuses were designed to provide added reinforcement for initiating abstinence; however, they did not improve outcomes. Both contingent interventions significantly increased cocaine abstinence. In addition, the contingent interventions increased abstinence from opiates and decreased reports of cocaine craving. These results replicate the efficacy of cocaine abstinence reinforcement and show that it can have broad beneficial effects.

An analysis of drug abuse policies in teaching hospitals

The Drug-Free Workplace Act of 1988 mandated written drug abuse policies for recipients of certain government grants and contracts. The literature has reported costly side effects of employee drug abuse such as decreased productivity and increased use of health benefits. Furthermore, litigation involving drug abuse policies has been increasingly won by employers. More than 90% of Fortune 1000 companies have adopted formal drug abuse policies. Using content analysis techniques, the current study examined the written substance abuse policies of 30 large American teaching hospitals. Results showed substantial variation in the style and content of the policies. In general, language used in the policies was vague. The study cites the potential use of strategic ambiguity in the development of the policies.

The motivation for drug abuse treatment: testing cognitive and 12-step theories

The purpose of this paper is to evaluate two models of behavior change: cognitive theory and 12-step theory. Research subjects were drawn from three separate, but parallel, samples of adults. The first sample consisted of out-of-treatment chronic drug users, the second consisted of drug users who had applied for treatment at a publicly funded multiple-provider drug treatment facility, and the third consisted of drug users who had applied for treatment at an intensive outpatient program for crack cocaine users. Cognitive theory was supported. Study participants applying for drug abuse treatment reported a higher level of perceived problem severity and a higher level of cognitive functioning than out-of-treatment drug users. Two hypotheses drawn from 12-step theory were not supported. Treatment applicants had more positive emotional functioning than out-of-treatment drug users, and one treatment-seeking sample had higher self-esteem.

Hematological considerations in out-of-treatment drug users

Complete blood counts (CBCs) were performed on 215 out-of-treatment injecting and noninjecting drug users participating in a federally sponsored human immunodeficiency virus (HIV) risk-reduction program in Houston, Texas. A substantial proportion of patients/clients were found to be suffering from varying degrees of anemia and other hematological conditions. Anemia is known to affect cognitive skills such as the ability to concentrate and process information. This impairment can limit the effectiveness of drug intervention and treatment, even among those users eager to participate in intervention or treatment programs. Consideration of substance users' physical condition as manifested by hematological measures can provide an important compliment to health behavioral models that stress cognitive functioning without consideration of the underlying physical processes involved.

Broad beneficial effects of cocaine abstinence reinforcement among methadone patients

Escalating reinforcement for sustained abstinence has been effective in treating cocaine abuse. Under this schedule, patients receive vouchers for cocaine-free urine samples; vouchers have monetary values that increase with the number of consecutive cocaine-free urine samples. Cocaine-abusing methadone patients were randomly assigned to receive vouchers for 12 weeks under (a) an escalating schedule (n = 20), (b) an escalating schedule with start-up bonuses (n = 20), or (c) a noncontingent schedule (n = 19). Start-up bonuses were designed to provide added reinforcement for initiating abstinence; however, they did not improve outcomes. Both contingent interventions significantly increased cocaine abstinence. In addition, the contingent interventions increased abstinence from opiates and decreased reports of cocaine craving. These results replicate the efficacy of cocaine abstinence reinforcement and show that it can have broad beneficial effects.

Infectious diseases and anemia in a sample of out-of-treatment drug users

OBJECTIVE

To understand how the prevalence of anemia, human immunodeficiency virus (HIV), and syphilis in a sample of out-of-treatment drug users affected delivery of care in a managed care model.

STUDY DESIGN

A snowball sampling design with multiple zero order contacts was used in targeted census tracts with a high incidence of illicit drug use and sexually transmitted diseases.

PATIENTS AND METHODS

Out-of-treatment drug users were recruited as part of a national multisite study of HIV risk behaviors in this population. Subjects were recruited using targeted community-based sampling.

RESULTS

The rate of individuals who tested positive for both syphilis and HIV was 2.5 times greater than those who tested positive for syphilis only and 2.8 times greater than those who tested positive for HIV only. Of the men, 16.1% were anemic, and 33.3% of women were anemic. Rates of HIV (10.7%) and syphilis (19.8%) were found to be high among both male and female drug users. These statistics, coupled with the prevalence of anemia, indicate that drug users have many more problems other than drug use, a conclusion which can have an impact on how managed care plans approach drug users.

CONCLUSION

A multipronged interdisciplinary approach may be warranted for both the patient and the managed care organization.

Charitable care and the nonprofit paradigm

Nonprofit hospitals have begun to focus once again on serving the health needs of their communities. Governmental needs for additional revenue and for-profit hospitals' contention that tax exemptions give nonprofit hospitals an unfair competitive advantage have resulted in changes in laws and regulations and have caused a change in the role of nonprofit hospitals. As local governments become more responsive to the health needs of their communities, they are requiring nonprofit hospitals to become more responsive as well. Laws, regulations, and court decisions have begun to require nonprofit hospitals to provide charity care and services at levels equal to the amount of their exempt taxes. In response, nonprofit hospitals are developing community benefit programs and public health services.

Social network ties, self-efficacy, and condom use among women who use crack cocaine: a pilot study

So far, attempts to change the sexual risk behavior of women who use crack cocaine have been less successful than efforts to change the needle risk behavior of injection drug users. Two theoretical areas that have shown some success in predicting behavior change among of out-of-treatment drug users are Bandura's social cognitive theory (self-efficacy theory) and social network theory. According to Bandura, social networks are important sources of social support, and social support is vital to self-efficacy. Social network research also indicates that close bonds with network members may be a protective factor independently of self-efficacy. In order to test the feasibility of collecting such data, a pilot study was conducted with 60 women who used crack cocaine and who were not in treatment. Results of Pearson product-moment correlations indicated that self-efficacy (.7230) and number of very strong ties (.31252994) were positively correlated with condom use for women in the sample. In addition, the number of very strong ties (.3142) was significantly, if modestly, correlated with self-efficacy. Self-efficacy was

Barriers to social services for HIV-infected urban migrators

Anecdotal accounts suggest that residency requirements often lead to denial of services at a time when HIV positive migrators are most in need of these services. However, this suspicion has never been empirically tested. Using needs assessment data collected for Harris County, Texas, this article examines eligibility and knowledge barriers faced by HIV positive recent migrators into Harris County. Results indicated that migration into the county was a significant predictor of failure to receive government-administered basic services such as food services but was not a significant predictor of failure to receive community based organization (CBO)-administered "specialized" services targeted specifically to HIV positive individuals. Results also indicated that migration was associated with knowledge barriers for all types of services.

Pathways to marijuana use among adolescents: cultural/ecological, family, peer, and personality influences

OBJECTIVE

To examine the linkages, cultural/ecological factors, and major psychosocial risk factors as they relate to drug use in a sample from Colombia, South America.

METHOD

The participants were 1.687 adolescents living in mixed urban-rural communities in Colombia, South America. An individual interview was administered to youths in their homes by Colombian interviewers. The scales used were based on item intercorrelations grouped into the following risk categories: (1) adolescent personality, (2) family traits, (3) peer factors, and (4) cultural/ecological variables.

RESULTS

Pearson correlations were computed for each variable and the frequency of marijuana use. Results show that each of the domains was related to adolescent marijuana use, with some notable gender differences. As regards the interrelation of domains, a mediational model was operative.

CONCLUSIONS

Findings support a family interactional theory. The domains of family, personality, and peer factors had a direct effect on the adolescents' marijuana use. Implications for prevention are also addressed.

Implications of managed care in a publicly funded health care delivery system

In the light of federal cuts in the Medicaid budget, the Medicaid-funded health delivery system is under severe cost pressures, especially in publicly funded institutions. In the private health insurance industry, managed care innovations have successfully restrained costs. For publicly funded institutions to remain viable, managed care contracts must be implemented for the Medicaid system as well. Managed care holds promise for reducing costs as well as reducing many of the current barriers to quality health care for the indigent.

Sociodemographic representation in published studies of cocaine abuse pharmacotherapy

This study evaluated: (1) the reporting of sociodemographic characteristics of research subjects in published outpatient studies of cocaine abuse pharmacotherapy; (2) the association of study characteristics with such reporting and with the distribution of characteristics; and (3) the comparison of sociodemographic characteristics in the research subjects with those of a community-based sample of cocaine abusers who had sought treatment. Medline search identified 68 articles on cocaine abuse outpatient pharmacotherapy published from 1983 to 1993 in an English language, peer-reviewed journal. Sociodemographic characteristics of research subjects (n = 1802) were compared with those of respondents (weighted n = 135) to the National Comorbidity Survey (1990-1992), who reported at least one cocaine-related problem and had sought substance abuse treatment. Only three (4.4%) articles reported all six of the following sociodemographic characteristics of their subjects: 82.4%, reported mean age; 58.8%, race/ethnicity; 85.3%, sex; 22.1%, employment status; 13.2%, educational status; and 5.9%, socioeconomic status/income. Compared to survey respondents, research subjects were significantly more likely to be African-American and live in the Northeast region of the US and marginally more likely to be male and currently unemployed. These findings indicate that many published articles do not follow currently recommended guidelines for describing sociodemographic characteristics of research subjects and that, aside from race/ethnicity and geographic location, research subjects are fairly comparable in basic sociodemographic characteristics to the larger population of treatment-seeking individuals with cocaine-related problems.

The impact of public health media campaigns on drug users

Evaluation of public health media campaigns to influence change in high-risk behavior often bemoans a lack of relevance to the target audiences as well as an absence of integrated interpersonal and mass-mediated communication channels. The assumption that illegal drug users are disconnected from mass-mediated communication may account for this absence of media interventions. However, the authors' HIV-prevention research project demonstrates that many out-of-treatment drug users are media consumers. Furthermore, it shows that participants who recalled seeing or hearing media interventions report greater levels of positive behavior change than participants who do not recall such messages. Results suggest strong coordination of human services messages that are relevant to out-of-treatment drug users to facilitate changes in behavior.

An analysis of unmet need for HIV services: The Houston Study

HIV/AIDS is indicative of general institutional neglect that disproportionately affects minorities, poor, and underserved populations. Among women and minorities, HIV infection is associated with preexisting economic distress. Moreover, socioeconomic resources, gender, and race/ethnicity may determine access to medical and nonmedical services that affect disease progression. An analysis of data collected for the Ryan White Care Act needs assessment in Houston, Texas, was performed to assess the effects of socioeconomic and demographic factors on unmet needs for existing medical, social, and counseling services, adjusting for the effects of illness and substance abuse. Results indicated that lower income and Hispanic ethnicity were associated with the unmet need for medical services. Higher income was positively associated and African American ethnicity was negatively associated with the unmet need for social services. Also, higher income and private insurance were negatively associated with counseling services. The authors suggest that these latter findings may result from program eligibility requirements and respondents' hierarchy of needs, respectively.

Attitudes, norms, self-efficacy, and stage of change among out-of-treatment female crack cocaine users: a pilot study

The level of sexual risk among crack cocaine uses had remained high, regardless of their level of AIDS knowledge. Consequently, researchers have advocated the use of rigorous behavioral theory in aiding epidemiological research and intervention. To test whether stage of change for "insisting that men (besides your main partner) use condoms every time you have sex with them" was associated with behavioral attitudes, subjective norms, and self-efficacy among female crack cocaine users, a behavioral context questionnaire was administered to 61 female crack cocaine users who were recruited in the field and interviewed in an urban HIV testing center. Results indicated that all three were associated with stage of change and that self-efficacy was the variable most strongly related to stage of change.

Therapeutic connection and client progress in drug abuse treatment

This article explores the effects of the therapeutic connection between the drug abuse treatment client and the treatment counselor on the client's progress in psychological functioning during the course of treatment. Two hypotheses of the relationships between therapeutic connection and psychological functioning are formulated. The first predicts that higher levels of connection will be associated with greater improvement in the client's level of psychological functioning. The second predicts that higher levels of functioning at intake will, in turn, be associated with greater connection to counselor. Results from a longitudinal study of 139 participants in a federally sponsored pilot drug abuse treatment program in Houston, Texas show statistically significant associations between both a client's initial level of psychological functioning and therapeutic connection to counselor and between this connection and subsequent improvement in functioning.

Managed care, cost-effectiveness, and rehabilitation: the case of HIV

Because of its cost-effective approach to impairment and disability, rehabilitation therapy is uniquely positioned to assume a significant role in today's healthcare environment. As the cost of health care has become a major concern, both the government and the private insurance industry have turned toward rehabilitation services as resources for preventing more costly use of the healthcare system in the future. Although funding in the area of injury research scarce, funding for demonstrating the success of therapies for chronic illness such as HIV is more plentiful. In the case of HIV, rehabilitation nursing techniques and principles can be used as a model for reducing the substantial social costs of the disease. Specifically, rehabilitation nurses can assume a leadership role as service coordinators for HIV-positive patients. If rehabilitation nurses perform this role effectively and participate fully in research efforts aimed at measuring the success of rehabilitation therapy, their efforts have the potential of permanently raising the status of the rehabilitation nursing specialty.

An assessment of the risks of syphilis and HIV infection among a sample of not-in-treatment drug users in Houston, Texas

The research presented in this paper details the results of an assessment of the risk factors associated with having a positive syphilis or HIV serology. The study was conducted using a sample of not-in-treatment drug users volunteering to participate in an HIV risk reduction intervention. The sample was composed of individuals who had injected drugs within 30 days or smoked crack cocaine 48 hours prior to participation in the study. Study participants were approximately 75% male and 66% African-American. All participants provided a blood sample to be tested for HIV and syphilis. Analysis of risk was conducted using univariate and multivariate statistical methods. Multivariate analysis of blood results showed that women, African-Americans, and those having a positive blood test for HIV were at higher odds of having a positive syphilis test. Analysis also showed that being a gay or bisexual male, having a history of drug injection, having less than a high-school education, having a history of trading sex for money, being African-American, and having a positive blood test for syphilis significantly increased the odds of a positive HIV test. Implications for HIV and STD prevention are discussed.

Point-of-care systems, informatics, and health care delivery

Evolving information technology has had profound effects on business operations and the marketplace. The health care services industry, particularly hospitals, clinics, and medical offices, has historically lagged behind other industries in the implementation of comprehensive, integrated, computerized data management tools. Health care reformers are looking to the promises of the information technology "revolution" as a means of improving systemic efficiency and health care quality. This study discusses the impact of informatics, or information technology, on the delivery of health care services. We present the evolution of informatics and the predicted future benefits of integrated computerized patient records and point-of-care systems.

Determinants of HIV seroprevalence rates among sites participating in a community-based study of drug users

The National Institute on Drug Abuse's National Cooperative Agreement Project is a nationwide study of the injection and sexual behaviors of three populations of out-of-treatment drug users: injecting drug users (IDUs) who did not smoke crack cocaine, non-injecting crack smokers, and those engaging in both types of use. The goal of the analyses we present was identification of subsets of behavioral variables that would, within each type of drug use, distinguish sites by HIV seroprevalence level. Among non-crack-smoking IDUs high seroprevalence rates were associated with race and sex, the overall frequency of injection, the frequency of cocaine injection, and geographic location. Among noninjecting crack smokers, cities were distinguished by the frequency of exchanging sex for money, the number of sex partners, the local seroprevalence rate among IDUs, and location. Among subjects engaging in both types of use, seroprevalence rates among sites was distinguished by the frequency of exchanging sex for drugs and location.

Economic perceptions and expectations of out-of-treatment drug users

The effect on mainstream behavior of current economic conditions and expectations for the future is frequently the subject of public opinion polls. However, economic perceptions may also influence the behaviors of those in "hidden" populations, such as drug users. An Economic Perceptions Index (EPI) was developed and administered to 261 out-of-treatment drug users in Houston, Texas. Results suggest that drug users' general perceptions of the economy are based on their own economic situation, and that there is a relation between a pessimistic view of the economy and drug use. They also suggest that lack of municipal infrastructure may pose more of a barrier to users' seeking employment than job search skills.

Epidemiology of coca derivatives use in the Andean region: a tale of five countries

The countries of the Andean Region (Bolivia, Colombia, Ecuador, Peru, and Venezuela) have recently reported findings from drug use surveys. An integrated comparison of their results and the results from other countries is presented. A total of 24,108 people were surveyed. Lifetime prevalence of cocaine or coca paste use was between 0.8 and 3.0%. The highest prevalence of coca paste or cocaine use was found among individuals who were middle-age, middle-class, males, people who finished high school, those who had high income, and urban dwellers. The most frequent age of first use was 15 to 24 years. The study shows that coca and derivatives use is a public health problem that is affecting a productive segment of the population of this region.

Increasing opiate abstinence through voucher-based reinforcement therapy

Heroin dependence remains a serious and costly public health problem, even in patients receiving methadone maintenance treatment. This study used a within-subject reversal design to assess the effectiveness of voucher-based abstinence reinforcement in reducing opiate use in patients receiving methadone maintenance treatment in an inner-city program. Throughout the study subjects received standard methadone maintenance treatment involving methadone, counseling, and urine monitoring (three times per week). Thirteen patients who continued to use opiates regularly during a 5-week baseline period were exposed to a 12-week program in which they received a voucher for each opiate-free urine sample provided: the vouchers had monetary values that increased as the number of consecutive opiate-free urines increased. Subjects continued receiving standard methadone maintenance for 8 weeks after discontinuation of the voucher program (return-to-baseline). Tukey's posthoc contrasts showed that the percentage of urine specimens that were positive for opiates decreased significantly when the voucher program was instituted. (P < or = 0.01) and then increased significantly when the voucher program was discontinued during the return-to-baseline condition (P < or = 0.01). Rates of opiate positive urines in the return-to-baseline condition remained significantly below the rates observed in the initial baseline period (P < or = 0.01). Overall, the study shows that voucher-based reinforcement contingencies can decrease opiate use in heroin dependent patients receiving methadone maintenance treatment.

Drug abuse, AIDS, and the coming crisis in long-term care

As the 21st century approaches and the proportion of the US population over 65 years of age increases, it is expected that the demand for long-term care will expand dramatically. This expectation has been widely discussed. Less widely discussed is a potential for increase in the demand for long-term care resulting, not from the geriatric conditions with which the industry is already familiar, but from chronic and debilitating substance abuse-related diseases. In the United States, the incidence of severe cardiovascular and hepatological deterioration in younger patients has begun to increase, partly due to the increased scope of drug use and the increased variety of drugs used by individuals under the age of 35. HIV disease progression resembles these degenerative conditions in some important ways, and HIV infection is now often accompanied by substance abuse disorders. Thus, the care of HIV-infected patients can serve as a model for the impact on the long-term care industry that this new type of patient is likely to make. Using HIV as a particularly dramatic example, this paper discuss those changes in detail, and concludes with recommendations for successfully adapting to them.

Sustained cocaine abstinence in methadone maintenance patients through voucher-based reinforcement therapy

BACKGROUND

Chronic cocaine abuse remains a serious and costly public health problem. This study assessed the effectiveness of a voucher-based reinforcement contingency in producing sustained cocaine abstinence.

METHODS

A randomized controlled trial compared voucher-based reinforcement of cocaine abstinence to noncontingent voucher presentation. Patients were selected from 52 consecutively admitted injecting heroin abusers in a methadone maintenance treatment program. Patients with heavy cocaine use during baseline period (N = 37) participated. Except where otherwise indicated, the term cocaine abuse is used in this article in a generic sense and not according to the DSM-III-R definition. Patients exposed to abstinence reinforcement received a voucher for each cocaine-free urine sample (ie, negative for benzoylecgonine) provided three times per week throughout a 12-week period; the vouchers had monetary values that increased as the number of consecutive cocaine-free urine samples increased. Control patients received noncontingent vouchers that were matched in pattern and amount to the vouchers received by patients in the abstinence reinforcement group.

RESULTS

Patients receiving vouchers for cocaine-free urine samples achieved significantly more weeks of cocaine abstinence (P = .007) and significantly longer durations of sustained cocaine abstinence (P = .001) than controls. Nine patients (47%) receiving vouchers for cocaine-free urine samples achieved between 7 and 12 weeks of sustained cocaine abstinence; only one control patient (6%) achieved more than 2 weeks of sustained abstinence. Among patients receiving vouchers for cocaine-free urine samples, those who achieved sustained abstinence ( > or = 5 weeks) had significantly lower concentrations of benzoylecgonine in baseline urine samples than those who did not achieve sustained abstinence (P < or = .01). Patients receiving voucher reinforcement rated the overall treatment quality significantly higher than controls (P = .002).

CONCLUSION

Voucher-based reinforcement contingencies can produce sustained cocaine abstinence in injecting polydrug abusers.

Motivating physician behaviour change: social influence versus financial contingencies

The recent development of clinical practice heuristics is a logical consequence of outcomes and effectiveness research. Proponents of clinical practice guidelines (CPGs) believe they will lower costs, enhance quality, and reduce the incidence of malpractice claims. Although the process for generating CPGs appears relatively uncomplicated, guidelines alone do not produce lasting changes in physician behaviour. Discusses strategies for implementing CPGs based on the various factors that influence physician behaviour. Recommends direct behaviour management strategy based on financial contingencies.

Effectiveness of adjunct therapies in crack cocaine treatment

Although intensive outpatient therapy is recommended for treatment of cocaine, psychosocial characteristics associated with crack cocaine abuse are also implicated in attrition from outpatient programs. Acupuncture, medications, and brainwave therapy (biofeedback), have all been used to encourage treatment retention and drug use outcomes. The effectiveness of three adjunct therapies in improving retention and drug use outcomes in intensive outpatient cocaine treatment was tested in a primarily young, indigent African-American sample of crack cocaine users at a community hospital in a low-income, high drug use neighborhood in Houston. Subjects were assigned to receive either neurobehavioral treatment alone or neurobehavioral with one of three adjunct therapies. These included acupuncture, anticraving medication, or brainwave therapy. Comparative results indicated that dosage of any adjunct therapy was associated with days in treatment and standard treatment sessions attended, and that standard treatment sessions attended was associated with negative urinalysis results at follow-up. None of the adjunct therapies were directly associated with drug use outcomes.

Fostering a drug-free workplace

Drug abuse costs American industry and the public an estimated $100 billion a year. As a result, workplace drug testing programs have become a serious option for many companies. Federal guidelines regarding testing and laboratories are in place. An overview of the current components necessary in designing a corporate drug testing program that complies with these guidelines is presented. Essential features of a corporate workplace drug testing program, that is, the policy, the testing process, and the laboratory contracted to test employees, are detailed from designs suggested in the current literature and in compliance with federal guidelines. Developing a cost-effective corporate program that meets federal guidelines, stands up to court scrutiny, and is universally accepted by employees is the objective of a drug testing program. The challenge can be met by building consensus, spelling out policy, maintaining high testing standards, and above all making rehabilitation of employees who test positive the ultimate goal of a drug-free workforce/workplace.