Education integrated into structured general practice care for Type 2 diabetic patients results in sustained improvement of disease knowledge and self-care

Usefulness of estimated average glucose (eAG) in glycemic control and cardiovascular risk reduction

OBJECTIVE

One of the 8 regional health authority (RHA) zones in New Brunswick, Canada has implemented eAG since 2010. We sought to evaluate the clinical outcomes of glycemic control and cardiovascular risk levels before and after the eAG implementation in this zone; and to compare the overall outcomes of this zone with other 7 zones of the province.

METHODS

Data (838,407 HbA1c values and 612,314 LDL-c values) was extracted from all adult diabetic patients in the provincial Diabetes Registry from 2008 to 2014. The Kruskal-Wallis statistic was conducted to compare the medians and inter quartile ranges of HbA1c and LDL-c from different zones. The proportion of patients achieving therapeutic targets, the distribution of HbA1c and LDL-c values pre/post the eAG implementation in RHA Zone 1.1 were assessed by Chi-square analysis.

RESULTS

The proportion of patients achieving targets in Zone 1.1 were at an intermediate level among all 8 zones and the trends of Zone 1.1 were no different than other zones. There were statistically significant differences for Zone 1.1 in the distribution of HbA1c (Z = -12.5190, P < 0.001) and LDL-c (Z = 16.4410, P < 0.001) before and after the eAG reported. The proportion of patients with HbA1c < 53 mmol/mol (7.0%) of the RHA Zone 1.1 was significantly lower after eAG reported (49.85% vs. 47.24%, P < 0.001); while the proportion of patients with LDL-c < 2.6 mmol/L showed statistically significant increase (68.56% vs. 71.90%, P < 0.001).

CONCLUSION

The utilization of eAG has demonstrated no significant impact on glycemic control and cardiovascular risk reduction.

Testing the impact of an educational intervention designed to promote ocular health among people with age-related macular degeneration

Research has shown that individuals affected by age-related macular degeneration (AMD) do not always consume foods or supplements known to be beneficial for ocular health. This study tested the effectiveness of an educational intervention designed to promote healthy eating and nutritional supplementation in this group. A total of 100 individuals with AMD completed baseline measures of several variables: confidence that diet affects AMD, motivation to engage in health-protective behaviours, knowledge about which nutrients are beneficial, and intake of kale, spinach, and eggs. Participants were allocated to either intervention or control conditions. Intervention participants received a leaflet and prompt card that contained advice regarding dietary modification and supplementation. Control participants received a leaflet created by the Royal College of Optometrists. A follow-up questionnaire, measuring the same variables assessed at baseline, was administered 2 weeks later. At follow-up, significant condition × time interactions were found for confidence that diet affects AMD ( F(1, 92) = 4.54, p < .05), motivation to talk to an eye professional about supplementation ( F(1, 92) = 4.53, p = .036), motivation to eat eggs ( F(1, 92) = 12.67, p = .001), and egg intake ( F(1, 92) = 11.97, p = .001). In each case, intervention participants scored higher than control participants. Receiving an educational intervention increased participants’ confidence that diet affects AMD, motivation to engage in health-protective behaviours, and egg intake. This intervention could be easily incorporated into current clinical practice delivered by either optometrists or ophthalmologists.

WITHDRAWN: Group based diabetes self-management education compared to routine treatment, waiting list control or no intervention for people with type 2 diabetes mellitus

The review authors of this review update are unable to continue with their work. The Cochrane Metabolic and Endocrine Disorders Review Group is seeking very experienced new authors to perform an update on this complex intervention review.

At June 2015, this review has been withdrawn. This review is out of date although it is correct as the date of publication. The latest version is available in the 'Other versions' tab on the Cochrane Library, and may still be useful to readers.

The editorial group responsible for this previously published document have withdrawn it from publication.

The effect of a patient portal with electronic messaging on patient activation among chronically ill patients: controlled before-and-after study

BACKGROUND

It has been suggested that providing patients with access to their medical records and secure messaging with health care professionals improves health outcomes in chronic care by encouraging and activating patients to manage their own condition.

OBJECTIVES

The aim was to evaluate the effect of access to a patient portal on patient activation among chronically ill patients. Further, the relationship between temporal proximity of a severe diagnosis and patient activation were assessed.

METHODS

A total of 876 chronically ill patients from public primary care were allocated to either an intervention group receiving immediate access to a patient portal that included their medical records, care plan, and secure messaging with a care team, or to a control group receiving usual care. Patient Activation Measure (PAM) at baseline and at 6-month follow-up was obtained from 80 patients in the intervention group and 57 patients in the control group; thus, a total of 137 patients were included in the final analysis.

RESULTS

No significant effect of access to patient portal on patient activation was detected in this study (F1,133=1.87, P=.17, η(2)=0.01). Patients starting at a lower level of activation demonstrated greater positive change in activation compared to patients starting at higher levels of activation in both the intervention and control groups. Further, patients diagnosed with a severe diagnosis during the intervention showed greater positive change in patient activation compared to patients whose last severe diagnosis was made more than 2 years ago. The results also suggest that the intervention had greatest effect on patients starting at the highest level of patient activation (difference in change of patient activation=4.82, P=.13), and among patients diagnosed within a year of the intervention (difference in change of patient activation=7.65, P=.12).

CONCLUSIONS

Time since last severe diagnosis and patient activation at baseline may affect changes in patient activation, suggesting that these should be considered in evaluation of activating chronic care interventions and in the specification of possible target groups for these interventions. This may be relevant in designing services for a heterogeneous group of patients with a distinct medical history and level of activation.

Needs and preferences for nutrition education of type 2 diabetic adults in a resource-limited setting in South Africa

Diabetes self-management education is crucial in diabetes care. Education that is tailored to the needs of the patient is considered the most effective in improving health outcomes. Diet, a critical element of diabetes treatment, is reported as the most difficult to adhere to by both patients and health professionals. Tailored nutrition education (NE) could benefit diabetic individuals with low socio-economic status, who are amongst those noted to have poor health outcomes. This qualitative interpretive phenomenological study aimed to explore and describe the NE needs of adults with type 2 diabetes mellitus to guide development of a tailored NE programme for resource-poor settings. Participants were 31 non-insulin-dependent type 2 diabetic patients (convenience sample) and 10 health professionals. Focus group discussions using semi-structured questions were held with the diabetics, and open-ended self-administered questionnaires were used with the health professionals. Data analysis was done using Krueger’s framework approach. Disease-related knowledge deficits and inappropriate self-reported dietary practices, including intake of unbalanced meals, problems with food portion control and unsatisfactory intake of fruits and vegetables, were observed. Recommendations for the NE programme included topics related to the disease and others related to diet. Group education at the clinic, a competent educator and comprehensive education were indicated by the patients. Participation of family and provision of pamphlets were aspects recommended by patients and health professionals. Barriers that could impact the NE included financial constraints, food insecurity, conflict in family meal arrangements and access to appropriate foods. Support from family and health professionals and empowerment through education were identified as facilitators to following dietary recommendations by both groups of participants. Knowledge deficits, inappropriate dietary practices and barriers are issues that need addressing in an NE programme, whilst the suggestions for an NE programme and facilitators to dietary compliance need to be incorporated.Onderrig in die selfbestuur van diabetes is essensieel in diabetessorg. Onderrig wat spesifiek ooreenkomstig die behoeftes van die pasiënt aangepas is, word die mees doeltreffend in die verbetering van gesondheiduitkomste geag. Dieet, ’n kritiese element in diabetesbehandeling, word deur pasiënte en gesondheidpraktisyns as die moeilikste beskou om na te volg. Spesifiek beplande voedingonderrig kan tot voordeel van lae sosio-ekonomiese diabete wees wat deel van diegene wat swak gesondheiduitkomste toon, uitmaak. Die doel van hierdie kwalitatiewe interpreterende fenomologiese studie was om die voedingonderrigbehoeftes van volwassenes met tipe 2 diabetes mellitus te ondersoek en te beskryf ten einde die ontwikkeling van ’n voedingonderrigprogram wat op hulpbrondbeperkte omgewings afgestem is, te rig. Een en dertig nie-insulien afhanklike tipe 2 diabetes pasiënte (geriefsteekproef) en 10 gesondheidpraktisyns was  evalueer.  Fokusgroepbesprekings  deur  gebruikmaking  van  semi-gestruktureerde vrae, is met die diabete gehou. Self-geadministreerde oop-eindigende vraelyste is deur die gesondheidpraktisyns  voltooi.  Data-analise  is  volgens  Krueger  se  raamwerkbenadering gedoen. Siekteverwante kennisgapings en ontoepaslike self-gerapporteerde dieetpraktyke, insluitend ongebalanseerde maaltye, probleme met porsiekontrole en ontoereikende inname van groente en vrugte is gerapporteer. Aanbevelings vir die voedingonderrigprogram het onderwerpe verwant aan die siekte en die dieet ingesluit. Die pasiënte het groeponderrig by die kliniek, ’n bevoegde onderrigpraktisyn en omvattende onderrig verkies. Die pasiënte en die gesondheidpraktisyns het gesinsdeelname en die beskikbaarstelling van pamflette aanbeveel. Struikelblokke wat negatief op die voedingonderrigprogram kon inwerk, het finansiële beperkinge, voedselinsekuriteit, konflik met gesinsmaaltydreëlings en toegang tot  geskikte  voedsels  ingesluit.  Ondersteuning  van  die  gesin  en  gesondheidpraktisyns, sowel as bemagtiging deur kennis is as fasiliteerders ter bevordering van die navolging van dieetaanbevelings deur beide groepe deelnemers geïdentifiseer. Tekortkominge in kennis, ontoepaslike dieetpraktyke en struikelblokke is aspekte wat in ’n voedingonderrigprogram aangespreek behoort te word. Voorstelle wat vir die voedingonderrigprogram en fasiliteerders gemaak is vir dieetnavolging, behoort in die program ingesluit te word.

A validation study of the spoken knowledge in low literacy in diabetes scale (SKILLD)

BACKGROUND

In 2005 the Spoken Knowledge in Low Literacy in Diabetes scale (SKILLD) was introduced as a diabetes knowledge test. The SKILLD has not been validated since its introduction.

OBJECTIVE

To perform a validation analysis on the SKILLD.

DESIGN AND PARTICIPANTS

Cross-sectional observational study of 240 patients with diabetes at an academic family practice center.

MAIN MEASURES

SKILLD's correlation with an oral form of the Diabetes Knowledge Test (DKT) was used to assess criterion validity. A regression model tested construct validity, hypothesizing that SKILLD score was independently related to health literacy and education level. Content validity was tested using Cronbach's Alpha for inter-item relatedness and by comparing SKILLD items with the content of a National Institutes of Health (NIH) diabetes education website. We assessed inter-rater reliability and bias using Spearman correlation coefficients and sign-rank tests between interviewers scoring the same interview.

KEY RESULTS

The SKILLD demonstrated fair correlation with the DKT (Pearson's coefficient 0.54, 95% CI=0.49 to 0.66, p<0.001). Health literacy, education level, male gender, household income, and years with diabetes were independent predictors of SKILLD score in the regression model. Cronbach's Alpha for inter-item relatedness was 0.54. There were some topics on the NIH website not addressed by the SKILLD. The inter-rater correlation coefficient was 0.79 (95% CI 0.56 to 0.91, p<0.001).

CONCLUSIONS

The SKILLD is an adequate diabetes knowledge test and is appropriate for people of all literacy levels. However, it should be expanded to more completely evaluate diabetes knowledge.

Attitudes arid Self-care Behavior of Patients with Type 2 Diabetes attending the Emergency Department at Hamad General Hospital

Diabetes is a public health problem and optimal glycemic control requires diligent daily self-management to reduce morbidity and mortality associated with diabetes and its complications. By means of a carefully designed questionnaire, 215 patients with Type 2 diabetes who were admitted to the Emergency Department at Hamad General Hospital during the period from 1 May 2008 to 31 August 2008 were selected randomly and interviewed to determine their attitudes and behaviors influencing effective glycemic control and the extent to which they were helped by education and advice from care providers. The mean ± SD of both the total diabetes attitudes with subscales, and the self-care behaviors were measured in addition to the mean ± SD of both hemoglobin A1 c, and the number of admissions to the emergency department over the preceding six months. Participants reported the highest performance following a specific diet which had the highest significant negative correlation (r = -0.181, p = 0.009) with hemoglobin A1c as compared with the other self-care behaviors. The study emphasized the importance of improving the attitude of Type∼2 diabetics and their self-care behaviors because of the association with Emergency Department Admission and Glycemic Control. An appropriate educational approach and follow-up taking into account individual patient characteristics, needs to be implemented.

Factors influencing inappropriate use of ED visits among type 2 diabetics in an evidence-based management programme

OBJECT

This study analyses inappropriate use of emergency department (ED) services among type 2 diabetics under an evidence-based management programme.

METHODS

Using 1999-2006 databases of Louisiana Health Care Services Division (HCSD) eight public hospitals ED visits among the uninsured and other patients in Louisiana, we termed urgent ED visits appropriate and less-urgent visits inappropriate. Eliminating weekend ED visits, 17,458 urgent and 22,395 less-urgent visits by 8596 patients were analysed, using generalized estimating equation methods.

RESULTS

Caucasians were 0.82 times (95% CI: 0.751-0.889) less likely to use the ED inappropriately compared with African Americans. Patients with commercial insurance, Medicaid and Medicare used the ED more inappropriately than uninsured, with odds ratios of 1.28, 1.32 and 1.28, respectively. Patients hospitalized the prior year were 0.84 times (95% CI: 1.08-1.31) less likely for inappropriate. Patients in larger hospitals used the ED more inappropriately, with an odds ratio of 1.44 (95% CI: 1.32-1.56).

CONCLUSIONS

The study suggests that inappropriate use of the ED among diabetic patients in an evidence-based management programme is more likely to occur among African American, patients with insurance coverage and those seeking care in larger hospitals. Reinforcing the regular use of clinic services for diabetes management, providing clinic access in off-hours, and engaging the health plans in providing incentives for more appropriate use of the ED might reduce inappropriate ED visits. Notably, uninsured patients with diabetes from HCSD were more efficient users of the ED.

Adherence to a diabetic care plan provides better glycemic control in ambulatory patients with type 2 diabetes

Tight control of blood sugar improves the outcomes for diabetic patients, but it can only be achieved by adhering to a well-organized care plan. To evaluate the effect of a diabetes care plan with reinforcement of glycemic control in diabetic patients, 98 ambulatory patients with type 2 diabetes who visited our diabetes clinic every 3-4 months and who completed four education courses given by certified diabetes educators within 3 months after the first visit, were defined as the Intervention group. A total of 82 patients fulfilling the inclusion criteria for the Intervention group but who missed at least half of the diabetes education sessions were selected as controls. Both groups had comparable mean hemoglobin A1c (HbA1c) levels at baseline, which decreased significantly at 3 months and were maintained at approximately constant levels at intervals for up to 1 year. The HbA1c decrement in the Intervention group was significantly greater than that in the Control group over the 1-year follow-up period (HbA1c change: -2.5 +/- 1.8% vs. -1.1 +/- 1.7%, p < 0.01). The maximal HbA1c decrement occurred during the first 3 months, and accounted for 95.6% and 94.6% of the total HbA1c decrements in the Intervention and Control groups, respectively. In the multiple regression model, after adjustment for age, body mass index, and duration of diabetes, the Intervention group may still have a 12.6% improvement in HbA1c from their original value to the end of 1 year treatment compared with the Control group (p < 0.05). Diabetes care, with reinforcement from certified diabetes educators, significantly improved and maintained the effects on glycemic control in ambulatory patients with type 2 diabetes.

A Randomized Comparison of the Terms Estimated Average Glucose Versus Hemoglobin A1C

Purpose

The purpose of this study was to evaluate the hypothesis that using estimated average glucose (eAG) while instructing patients yields better knowledge retention than using the term hemoglobin A1C (A1C).

Methods

Patients with diabetes who had poor baseline understanding of A1C (determined by a 4-question survey) were randomized into 1 of 2 groups: A1C or eAG. Depending on randomization, providers discussed patients' current status and personal targets for glycemic control using either the term A1C or estimated average glucose. Patients had a telephone survey 3—4 weeks later, assessing change in knowledge of glycemic control.

Results

The 80 participants who completed follow-up had similar baseline characteristics, including poor understanding of A1C and poor recall of previous A1C values. At the 3—4 week follow-up, average score for each survey question improved significantly in both groups, with mean composite score increasing in the A1C group by 32% and in the eAG group by 33%. There was no suggestion of a difference in degree of improvement between groups.

Conclusions

Patients previously unfamiliar with the meaning of A1C, using either term (A1C or eAG) resulted in an equal improvement in knowledge. Within this study, eAG was not a more understandable term, or an easier concept for patients to remember. Further research is needed to test whether use of the term A1C should be replaced by eAG.

Awareness of risk factors for coronary heart disease following interventional cardiology procedures: a key concern for nursing practice

Cardiovascular risk factor modification to prevent progression of coronary heart disease is important for patients following percutaneous coronary intervention. The aims of this study were to assess patient's awareness of modifiable cardiac risk factors and examine if patients with modifiable risk factors were more likely to identify these risk as amenable to change. Awareness of risk factors was measured using the Indiana Cardiac Rehabilitation Knowledge Questionnaire in a cohort of prospective, consecutive participants post percutaneous coronary intervention. Completed questionnaires were received from 75% of the participants. The majority were able to identify high cholesterol (87%), smoking (83%) and hypertension (82%) as modifiable risk factors. Less than half (46%) of the respondents identified diabetes as a modifiable risk factor. Only a third of participants recognized all six modifiable risk factors. A large proportion of patients who were smokers, or who had high cholesterol or hypertension, identified these as risk factors. A third of people with documented diabetes did not recognize this condition as a risk factor for heart disease. The findings have important implications for nursing practice in terms of directing educational efforts for the modification of risk factors for coronary heart disease.

The level and determinants of diabetes knowledge in Kuwaiti adults with type 2 diabetes

AIM

To investigate the level of diabetes knowledge in a population with type 2 diabetes (T2D) and a high prevalence of illiteracy, to identify the main gaps in the knowledge and to study the determinants of the knowledge score.

METHODS

This cross-sectional survey involved 24 diabetes clinics and Kuwaiti adults with T2D (n=5114), and used the Michigan Diabetes Knowledge Test.

RESULTS

The participants' mean age (+/-S.D.) was 55.6+/-10.4 years; 68.2% were women, 45.0% were illiterate, 52.2% reported a family income equivalent to 1200 to 2400 euros per month and only 28.6% performed glucose monitoring. Mean+/-S.D. HbA(1c) was 8.76+/-2.3%. Their mean score for the total knowledge test was 58.9%. Knowledge deficits were apparent in the questions related to diet and self-care. Participants who were older, and with lower educational levels, limited family income, negative family history of diabetes or were smokers had significantly lower knowledge scores. The scores were also lower in those who had shorter disease duration and fewer complications, were taking insulin, had less frequent insulin injections, performed less glucose monitoring and had lower HbA(1c) levels. Education, family income, glucose monitoring and presence of complications were independent determinants of the knowledge score.

CONCLUSION

Knowledge of diabetes in a T2D population with a high prevalence of illiteracy was poor. Limited family income and lack of self-care are other predictors of knowledge deficits. Efforts need to be focused on educational programmes with strategies to assist T2D patients of limited education and income to manage their disease more effectively.

Predictors of quality of life among adults with type 2 diabetes mellitus

Using a path model, this study examined the relationships among psychosocial factors (social support and acceptance of diabetes), knowledge of the disease, perceived difficulty of self-care behaviors (SCBs), and disease outcome [quality of life (QoL)] among 180 adults with type 2 diabetes mellitus. In general, respondents exhibited high levels of acceptance. The hypothesis that higher levels of social support and acceptance lead to lower perceived difficulty with SCBs was supported. High levels of social support increased acceptance and reduced SCBs. Knowledge reduced SCBs but was not associated with QoL. In the path model, SCBs influenced QoL and mediated the relationship between social support, acceptance, and QoL.

Meta-analysis of patient education interventions to increase physical activity among chronically ill adults

OBJECTIVE

This meta-analysis integrates primary research testing the effect of patient education to increase physical activity (PA) on behavior outcomes among adults with diverse chronic illnesses.

METHODS

Extensive literature searching strategies located published and unpublished intervention studies that measured PA behavior outcomes. Primary study results were coded. Fixed- and random-effects meta-analytic procedures included moderator analyses.

RESULTS

Data were synthesized across 22,527 subjects from 213 samples in 163 reports. The overall mean weighted effect size for two-group comparisons was 0.45 (higher mean for treatment than control). This effect size is consistent with a difference of 48 min of PA per week or 945 steps per day. Preliminary moderator analyses suggest interventions were most effective when they targeted only PA behavior, used behavioral strategies (versus cognitive strategies), and encouraged PA self-monitoring. Differences among chronic illnesses were documented. Individual strategies unrelated to PA outcomes included supervised exercise sessions, exercise prescription, fitness testing, goal setting, contracting, problem solving, barriers management, and stimulus/cues. PA outcomes were unrelated to gender, age, ethnicity, or socioeconomic distribution among samples.

CONCLUSION

These findings suggest that some patient education interventions to increase PA are effective, despite considerable heterogeneity in the magnitude of intervention effect.

PRACTICE IMPLICATIONS

Moderator analyses are preliminary and provide suggestive evidence for further testing of interventions to inform practice.

Evaluation of the impact of the Kuwait Diabetes Care Program on the quality of diabetes care

OBJECTIVES

To evaluate the impact of the Kuwait Diabetes Care Program on the quality of care provided for diabetic patients in the Primary Health Care setting.

MATERIALS AND METHODS

The Kuwait Diabetes Care Program developed, published and disseminated clinical practice guidelines, conducted training courses, standards for diabetes care, and introduced a monitoring and evaluation system. Four audits (September 1999, October 2001, 2002 and 2003) were carried out at five diabetic clinics. September 1999 referred to in this study as first (baseline) audit was prior to the introduction of the clinical practice guidelines. The three other audits were performed to assess adherence with the guidelines in the administrative management of patients' records and implementation of the standards. Two hundred and fifty patients were involved in the study.

RESULTS

The proportion of patients with organized, structured files increased significantly from 60.0 to 100.0% (p < 0.001), and recording of patients' demographic data increased from 38.6 to 95.6% (p < 0.001). Use of structured visit sheets, proper fixation of the laboratory and prescription sheets had also improved significantly. The prevalence of smoking assessment, fundus examination, and foot examination increased significantly from 2.8 to 27.2% (p < 0.001); 2.4 to 31.6% (p < 0.001); 0.4 to 40.4% (p < 0.001), respectively. The prevalence of measuring urinary microalbumin, serum creatinine and HbA(1c) increased significantly from 4.4 to 26.4% (p < 0.001); 16.0 to 78.4% (p < 0.001), and 10.4 to 60.8% (p < 0.001), respectively. The prevalence of measuring serum total cholesterol, triglycerides, HDL-C, and LDL-C levels increased significantly from 16.4 to 80.0% (p < 0.001); 14.4 to 80.0% (p < 0.001); 2.4 to 32.8% (p < 0.001), and 2.4 to 24.0% (p < 0.001), respectively.

CONCLUSION

This audit shows that a national diabetes program was associated with improved processes of diabetes care. Further, support from health authorities, provision of manpower resources, a continuing monitoring and evaluation system, and conduction of structured education programs may lead to further improvements in the quality of diabetes care.

The relationship between patient education and glycaemic control in a South African township

OBJECTIVE

To investigate if there is a relationship between patients' perceived diabetes education and their glycaemic control.

METHODS

Two hundred and forty-seven diabetic (both DM 1 and DM 2) patients who were treated for diabetes in a primary nurse led health care clinic in South Africa were analyzed. Patients were interviewed, and information was retrieved from the patients' medical record.

RESULTS

Fasting blood glucose levels were <7.0 mmol/l in 17.6% of the patients, 79.3% of the patients had a BMI>2788.2% of the patients received information about diabetes, the majority received information from the nurse. Patients with a higher educational level and patients who received education tended to have a better glycaemic control. (n.s.) Significantly more patients who received information had a good or acceptable FBG level (p=0.03). The recorded prevalence of chronic complications was low.

CONCLUSIONS

Glycaemic control was suboptimal in the big majority of patients. Education had a positive effect on glycaemic control, albeit not impressive. Also in South Africa poor health literacy should be taken into account in diabetes education.

What do we mean by adherence to treatment and advice for living with diabetes? A review of the literature on definitions and measurements

AIMS

In order to measure the effectiveness of interventions claiming to improve adherence in diabetes, valid measurement of adherence is necessary. Any measurement must first be based on a definition. This study aimed to identify and categorize definitions and measurements of adherence in living with diabetes, from a review of the literature.

METHODS

Publications were identified from the medline database. Adherence, compliance and concordance were used as terms in the search algorithm, along with diabetes, diabetes mellitus and treatment. Two hundred and ninety-three papers were identified. Abstracts of these papers were read by two researchers independently. Two hundred and thirty-nine papers did not contain definitions or measures of adherence and were discarded. Of the remaining 54 papers, 26 included definitions and 46 described measurements of adherence.

RESULTS

Definitions and measurements fell into five categories: coincidence of behaviour with professional advice, relationship as part of the process of care, outcome and process targets, taking the medication as prescribed and others. No single definition of adherence emerged. Many authors did not provide definitions of adherence. Glycated haemoglobin was the most common measurement of adherence, although this can raise problems.

CONCLUSIONS

Research which claims to show an intervention has, or has not, improved adherence must be interpreted cautiously. Interventions which appear to fail may actually succeed in aspects of adherence which were not defined or measured in the study. Clinicians and researchers could use clear definitions and measurements, such as the ones presented in this review.

Are we measuring what matters in health technology assessment of disease management? Systematic literature review

OBJECTIVES

An overview was produced of indicators currently used to assess disease management programs and, based on these findings, provide a framework regarding sets of indicators that should be used when taking the aims and types of disease management programs into account.

METHODS

A systematic literature review was performed.

RESULTS

Thirty-six studies met the inclusion criteria. It appeared that a link between aims of disease management and evaluated structure, process, as well as outcome indicators does not exist in a substantial part of published studies on disease management of diabetes and asthma/chronic obstructive pulmonary disease, especially when efficiency of care is concerned. Furthermore, structure indicators are largely missing from the evaluations, although these are of major importance for the interpretation of outcomes for purposes of decision-making. Efficiency of disease management is mainly evaluated by means of process indicators; the use of outcome indicators is less common. Within a framework, structure, process, and outcome indicators for effectiveness and efficiency are recommended for each type of disease management program.

CONCLUSIONS

The link between aims of disease management and evaluated structure, process, and outcome indicators does not exist in a substantial part of published studies on disease management. The added value of this study mainly lies in the development of a framework to guide the choice of indicators for health technology assessment of disease management.

Improvement in Knowledge, Social Cognitive Theory Variables, and Movement through Stages of Change after a Community-Based Diabetes Education Program

The objective of this program was to demonstrate the impact of a community-based diabetes education program. Participants were adults (N=239; mean age+/-standard deviation=63+/-10 years) with diabetes or caretakers. Community-based education incorporating Social Cognitive Theory and Stages of Change Theory included three group sessions focused on meal planning with cooking demonstrations. Knowledge and Social Cognitive Theory/Stages of Change variables were assessed pre- and postintervention. At posttest, significantly more (P<.05) used herbs in place of salt, cooked with olive or canola oils, used artificial sweeteners in baking (Stages of Change Theory), and were confident to change their diet and to prepare healthful meals. Knowledge of diabetes and nutrition increased (P<.05) and was a factor in postintervention belief in ability to use food labels and that meal planning was helpful. This community-based diabetes education intervention resulted in positive impacts on knowledge, health beliefs, and self-reported behaviors. Improvement in knowledge can be instrumental in moving individuals to an action or maintenance stage and in improving self-efficacy.

Patient knowledge improves glycemic control: is it time to go back to the classroom?

BACKGROUND

Over the last two decades, pharmaceutical intervention for the treatment of type 2 diabetes has expanded. Studies over this same time demonstrated the benefits of tight glycemic control. Unfortunately, despite the availability of novel therapies, glycemic control remains problematic. Nonpharmacologic interventions need to be explored, including patient empowerment. Improving patient knowledge of diabetes may ultimately improve glycemic control. To test this hypothesis, we compared patients' diabetes knowledge with their glycemic control.

METHODS

The Michigan Diabetes Knowledge Test, designed by the University of Michigan, was administered to patients with type 2 diabetes at three University of New Mexico primary care clinics. Patient records were reviewed. The most recent hemoglobin A1c (HbA1c) value was recorded. The data were analyzed using linear regression analysis.

RESULTS

Seventy-seven patients completed surveys and had HbA1c values available. Only questions 1 to 14 of the 23-question survey were used because they pertained specifically to type 2 diabetes. HbA1c was inversely correlated with the number of questions answered correctly on the test (r = -.337, p < .003). Using "all subsets" regression, a correct response to questions 1, 3, and 9 specifically correlated with a lower HbA1c (p < .0001).

CONCLUSIONS

These results demonstrate that an inverse linear relationship exists between performance on this diabetes test and HbA1c values. Improvement in patient knowledge of diabetes and the importance of treatment may indeed improve glycemic control and ultimately decrease complications. Studies aimed at empowering patients with disease knowledge may help control the ramifications of the growing diabetes epidemic.

Group based training for self-management strategies in people with type 2 diabetes mellitus

BACKGROUND

It has been recognised that adoption of self-management skills by the person with diabetes is necessary in order to manage their diabetes. However, the most effective method for delivering education and teaching self-management skills is unclear.

OBJECTIVES

To assess the effects of group-based, patient-centred training on clinical, lifestyle and psychosocial outcomes in people with type 2 diabetes.

SEARCH STRATEGY

Studies were obtained from computerised searches of multiple electronic bibliographic databases, supplemented by hand searches of reference lists of articles, conference proceedings and consultation with experts in the field. Date of last search was February 2003.

SELECTION CRITERIA

Randomised controlled and controlled clinical trials which evaluated group-based education programmes for adults with type 2 diabetes compared with routine treatment, waiting list control or no intervention. Studies were only included if the length of follow-up was six months or more and the intervention was at least one session with the minimum of six participants.

DATA COLLECTION AND ANALYSIS

Two reviewers independently extracted data and assessed study quality. A meta-analysis was performed if there were enough homogeneous studies reporting an outcome at either four to six months, 12-14 months, or two years, otherwise the studies were summarised in a descriptive manner.

MAIN RESULTS

Fourteen publications describing 11 studies were included involving 1532 participants. The results of the meta-analyses in favour of group-based diabetes education programmes were reduced glycated haemoglobin at four to six months (1.4%; 95% confidence interval (CI) 0.8 to 1.9; P < 0.00001), at 12-14 months (0.8%; 95% CI 0.7 to 1.0; P < 0.00001) and two years (1.0%; 95% CI 0.5 to 1.4; P < 0.00001); reduced fasting blood glucose levels at 12 months (1.2 mmol/L; 95% CI 0.7 to 1.6; P < 0.00001); reduced body weight at 12-14 months (1.6 Kg; 95% CI 0.3 to 3.0; P = 0.02); improved diabetes knowledge at 12-14 months (SMD 1.0; 95% CI 0.7 to 1.2; P < 0.00001) and reduced systolic blood pressure at four to six months (5 mmHg: 95% CI 1 to 10; P = 0.01). There was also a reduced need for diabetes medication (odds ratio 11.8, 95% CI 5.2 to 26.9; P < 0.00001; RD = 0.2; NNT = 5). Therefore, for every five patients attending a group-based education programme we could expect one patient to reduce diabetes medication.

AUTHORS' CONCLUSIONS

Group-based training for self-management strategies in people with type 2 diabetes is effective by improving fasting blood glucose levels, glycated haemoglobin and diabetes knowledge and reducing systolic blood pressure levels, body weight and the requirement for diabetes medication.

Interventions for improving adherence to treatment recommendations in people with type 2 diabetes mellitus

BACKGROUND

Research suggests adherence to treatment recommendations is low. In type 2 diabetes, which is a chronic condition slowly leading to serious vascular, nephrologic, neurologic and ophthalmological complications, it can be assumed that enhancing adherence to treatment recommendations may lead to a reduction of complications. Treatment regimens in type 2 diabetes are complicated, encompassing life-style adaptations and medication intake.

OBJECTIVES

To assess the effects of interventions for improving adherence to treatment recommendations in people with type 2 diabetes mellitus.

SEARCH STRATEGY

Studies were obtained from searches of multiple electronic bibliographic databases supplemented with hand searches of references. Date of last search: November 2002.

SELECTION CRITERIA

Randomised controlled and controlled clinical trials, before-after studies and epidemiological studies, assessing changes in adherence to treatment recommendations, as defined in the objectives section, were included.

DATA COLLECTION AND ANALYSIS

Two teams of reviewers independently assessed the trials identified for inclusion. Three teams of two reviewers assessed trial quality and extracted data. The analysis for the narrative part was performed by one reviewer (EV), the meta-analysis by two reviewers (EV, JW).

MAIN RESULTS

Twentyone studies assessing interventions aiming at improving adherence to treatment recommendations, not to diet or exercise recommendations, in people living with type 2 diabetes in primary care, outpatient settings, community and hospital settings, were included. Outcomes evaluated in these studies were heterogeneous, there was a variety of adherence measurement instruments. Nurse led interventions, home aids, diabetes education, pharmacy led interventions, adaptation of dosing and frequency of medication taking showed a small effect on a variety of outcomes including HbA1c. No data on mortality and morbidity, nor on quality of life could be found.

AUTHORS' CONCLUSIONS

Current efforts to improve or to facilitate adherence of people with type 2 diabetes to treatment recommendations do not show significant effects nor harms. The question whether any intervention enhances adherence to treatment recommendations in type 2 diabetes effectively, thus still remains unanswered.

The Health Technology Assessment-disease management instrument reliably measured methodologic quality of health technology assessments of disease management

OBJECTIVE

Systematic reviews aim to summarize the evidence in a particular topic area, giving attention to the identified methodologic quality of published research. Because research in a specific area may be susceptible to specific biases, it is assumed that the methodologic quality of Health Technology Assessment (HTA) of disease management cannot properly be measured with the existing methodologic quality assessment instruments. The purpose of this study was to describe to what extent existing instruments are useful in assessing the methodologic quality of HTA of disease management.

STUDY DESIGN AND SETTING

An inventory was made of the problems that arise when assessing the methodologic quality of six HTAs of disease management with three different instruments. Based on these findings, a new instrument is proposed and validated.

RESULTS

Problems mainly concern the items related to the study design, criteria for selection and restriction of patients, baseline and outcome measures, blinding of patients and providers, and the description of (co)-interventions.

CONCLUSION

With its more specific characteristics, the HTA-DM addresses the problems mentioned. The HTA-DM is a reliable instrument for methodologic quality assessment of HTA of disease management in comparison with the other three instruments.

Patients' conceptions of coronary heart disease--a phenomenographic analysis

Readjustment after an event of coronary heart disease (CHD) is defined to comprise cognitive, instrumental and affective components. The cognitive dimension refers to understanding of the disease. Twenty-three patients (<60 years) with CHD were interviewed about the nature of their disease and encouraged to use their own words. The study was conducted 1 year after the event of myocardial infarction (MI) and some patients had also been revascularized. The interviews were transcribed in extenso and analysed according to the phenomenographic approach. The main finding was the great variation of conceptions revealed. Six different conceptions were found concerning CHD. Some patients comprehended MI by involving (A) blood and vessels, (B) either blood or vessel or referred to (C) risk factors/symptoms. Angina pectoris was expressed as (A) insufficient heart capacity, (B) atherosclerosis/contracted vessel or as (C) symptoms. Several patients found it difficult to expand their answers and some expressed misconceptions about the course of events. Patients' pre-existing knowledge and their way of reasoning about central phenomena related to their disease should be taken into consideration in patient education and is also applicable in individual encounters with patients.

Evaluation of a theory-based nutrition intervention for older adults with diabetes mellitus

OBJECTIVE

To evaluate an intervention to improve food label knowledge and skills in diabetes management among older adults with diabetes mellitus.

DESIGN

A randomized pretest-posttest control group design was used.

SUBJECTS/SETTING

Participants (48 experimental, 50 control) were aged 65 years and older with type 2 diabetes for 1 year or longer; 93 participants (95%) completed the study, conducted in an outpatient setting.

INTERVENTION

The intervention included 10 weekly group sessions led by a dietitian. Information processing, learning theory, and Social Cognitive Theory principles were used in program development and evaluation.

MAIN OUTCOME MEASURES

Participants' knowledge, outcome expectations (expected results of behavior), self-efficacy, and decision-making skills were assessed. Instrument validity and reliability were established before program evaluation.

STATISTICAL ANALYSES PERFORMED

Factor analysis identified underlying factor structures. Analysis of covariance with pretest score as covariate was used to compare groups at posttest. Paired t tests compared results within groups.

RESULTS

Two factors were identified for outcome expectations (positive and negative) and for self-efficacy (promoters of and barriers to diabetes management). The experimental group had greater improvement in total knowledge scores (mean +/- standard error of the mean: 7.8+/-0.7) than the control group (0.2+/-0.7) (P < .0001), positive outcome expectations (0.59+/-0.15 vs 0.06+/-0.15, P = .01), promoters of diabetes management (0.83+/-0.12 vs -0.09+/-0.18, P < or = .001) and decision-making skills (5.1+/-0.5 vs 0.3+/-0.5, P < .0001) and greater reduction in barriers to diabetes management (1.1+/-0.16 vs 0.34+/-0.16, P < .01). No significant difference in negative outcome expectations occurred between groups at posttest.

APPLICATIONS/CONCLUSIONS

Older adults with diabetes can benefit from nutrition education designed to improve knowledge and skills necessary for diabetes management.

The nurse specialist as main care-provider for patients with type 2 diabetes in a primary care setting: effects on patient outcomes

A solution to safeguard high quality diabetes care may be to allocate care to the nurse specialist. By using a one group pretest-posttest design with additional comparisons, this study evaluated effects on patient outcomes of a shared care model with the diabetes nurse as main care-provider for patients with type 2 diabetes in a primary care setting. The shared care model resulted in an improved glycaemic control, additional consultations and other outcomes being equivalent to diabetes care before introduction, with the general practitioner as main care-provider. Assignment of care for patients with type 2 diabetes to nurse specialists seems to be justified.

Quality improvement report: Effect of a formal education programme on safety of transfusions

PROBLEM

Failure of correct identification and insufficient monitoring of patients receiving transfusions continue to be appreciable and avoidable causes of morbidity and mortality.

DESIGN

A study by a regional transfusion service and a transfusion nurse specialist of the effects of an education programme based on the current national guidelines on identification and monitoring of patients receiving transfusions.

SETTING

A large United Kingdom teaching hospital which houses the headquarters of the regional transfusion service.

KEY MEASURES FOR IMPROVEMENT

Improvement in compliance with published national guidelines on the prescription and administration of blood transfusions.

STRATEGY FOR CHANGE

An audit of current compliance followed by dissemination by a transfusion nurse specialist of a clinical skills package (based on the best practice for transfusion) to all staff involved in giving transfusions. This was supported by trained instructors and the display of standard operating procedures for transfusion in all clinical areas. EFFECT OF CHANGE: An improvement in compliance with the national guidelines to over 95% in six out of seven of the recommendations on best practice was seen 18 months after the initial intervention.

LESSONS LEARNT

The study shows that education of those who prescribe and administer transfusions, as recommended by bodies concerned with the hazards of transfusion, can improve the safety of transfusions.