Changes in diet, exercise and stress behaviours using the stages of change model in cardiac rehabilitation patients

Effectiveness of a 6-Month Nutrition Intervention in People Living with HIV and Prediabetes Progressing through Stages of Change towards Positive Health Behavior

The prevalence of prediabetes in people living with human immunodeficiency virus (HIV) is two to three times higher than that of the general population. The aim of this study was to assess the effectiveness of an intervention in guiding low-income people living with HIV (PLWH) and prediabetes through the stages of change and promote self-efficacy of positive health behavior.

METHODS

A 6- month randomized, controlled intervention was conducted where participants (N = 38) were randomized into the intervention group (n = 20) or the control group (n = 18). The participants' stages of change, nutrition knowledge, and self-efficacy were assessed using questionnaires. Participants were recruited in August 2017-December 2018, were HIV seropositive, had undetectable viral load, were prediabetic, and not currently receiving glucose-altering medications. Participants randomized into the intervention group received medical nutrition therapy/counseling and nutrition education; participants randomized into the control group received educational material related to nutrition, HIV, and prediabetes at baseline. Primary outcome measures were progression through the stages of change as measured by the transtheoretical ("stages of change") model, improvements in nutrition knowledge, and self-efficacy of the participants.

RESULTS

Significant improvement in stage of behavioral change was observed in the intervention group for physical activity, fruit/vegetable intake, fiber intake as well as nutrition knowledge and self-efficacy; however, no significant changes were observed in the control group.

CONCLUSIONS

A nutrition intervention was effective in promoting positive health behavior by progressing participants through the stages of behavioral change in low-income people living with HIV and prediabetes.

Nutrition Intervention in Cardiac Rehabilitation: A REVIEW OF THE LITERATURE AND STRATEGIES FOR THE FUTURE

OBJECTIVE

Despite guideline consensus that quality of nutrition affects most modifiable cardiovascular disease risk factors, the implementation of dietary interventions varies considerably in cardiac rehabilitation (CR) programs. The purpose of this review is to highlight the current existing literature and provide recommendations on best practices for nutrition interventions and future research that support secondary prevention outcomes.

REVIEW METHODS

The review examines original investigations, systematic reviews, and guidelines regarding nutrition intervention in CR.

SUMMARY

Nutrition intervention in CR plays an integral role in the success of patients; however, the literature is limited and standardization of practice is in its infancy. The role of a qualified registered dietician nutritionist, standardization of dietary assessments, individualized and intensive nutrition interventions, and application of specific behavior change techniques are central components in improving diet in CR. This review provides an overview of the evidence-based cardioprotective diets, nutritional interventions and behavioral strategies in CR, and explores areas for best practices and opportunities for innovation in the delivery of nutrition intervention in CR.

Resilience after withdrawing a technology-based medication adherence support intervention from people living with HIV in rural Uganda

Technology-based interventions for behavior change, such as adherence monitors and SMS text messages, can improve adherence to HIV antiretroviral therapy. It is unclear, however, how the effects of such interventions are maintained when interventions are withdrawn. We explored resiliency of people living with HIV in coping with adherence to antiretroviral therapy (ART) after withdrawing an adherence support intervention of real-time adherence monitors linked to SMS text messages at study closure. This is a qualitative study conducted with former participants of a pilot randomized controlled trial after study closure. Between April 2016 and November 2016, we used convenient sampling to interview 28 of the 62 participants from the pilot trial, which was conducted in rural Uganda. Interviews elicited information on experiences of taking ART in the absence of the intervention, coping strategies, and changes in social support interactions. Data were analyzed inductively using content analysis. Most participants demonstrated resilience through learning adherence from the intervention; and internalizing the habit of medication adherence. They seemed to have a sense of self-esteem, positive thinking, and access to supportive relationships. Other participants employed adaptive coping strategies, such as using alternative cues (e.g., alarms), accessing spiritual support, and adjusting their medication time to their routine. A few participants lacked resiliency, lost the habit and struggled with adherence. They were dependent on the intervention, appeared isolated and psychologically stressed, and were unable to overcome challenges associated with poor social support systems. Intervention-related benefits may or may not persist after the intervention is withdrawn. Contingent on individuals" underlying characteristics and relationships, participants manifested resiliency through learning and internalization, as well as using alternative coping strategies. Such resiliency could facilitate the use of short-term interventions, which are particularly important for resource-limited settings. Participants should be referred to available additional support at study closure when needed.

Attempts to improve and confidence in improving health behaviour in 40-49 year olds with and without coronary heart disease: The Hordaland Health Study

BACKGROUND

While the overall incidence of acute myocardial infarction in Norway decreased in 2001-2009, this was not observed for younger adults. Smoking cessation, physical activity and healthy diet are associated with reduced risk of recurrent cardiovascular events and mortality among individuals with established coronary heart disease (CHD).

AIMS

We investigated whether adults in their 40s with or without CHD had 1) attempted to improve their health behaviour during the previous year, and 2) had confidence in their ability to improve their health behaviour over the next five years.

METHODS

Study participants were 22,019 40-49 year olds from the Hordaland Health Study. Associations between improvements and intentions regarding health behaviours and prevalent CHD were assessed with logistic regression analyses.

RESULTS

One hundred and seventy-five (0.8%) participants reported to have CHD. After controlling for demographic, lifestyle and psychosocial variables, attempts to improve health behaviour during the prior year were associated with a threefold increased odds of prevalent CHD (odds ratio 3.07; 95% confidence interval, 1.91-4.95). Confidence in improving health behaviour during the subsequent five years was not associated with increased odds of prevalent CHD.

CONCLUSIONS

Adults in their 40s with CHD were more likely to have attempted to improve their health behaviour during the past year compared with those without CHD. Healthcare providers should take advantage of these positive attitudes to encourage further positive improvements.

An Internet- and mobile-based tailored intervention to enhance maintenance of physical activity after cardiac rehabilitation: short-term results of a randomized controlled trial

Background

An increase in physical activity for secondary prevention of cardiovascular disease and cardiac rehabilitation has multiple therapeutic benefits, including decreased mortality. Internet- and mobile-based interventions for physical activity have shown promising results in helping users increase or maintain their level of physical activity in general and specifically in secondary prevention of cardiovascular diseases and cardiac rehabilitation. One component related to the efficacy of these interventions is tailoring of the content to the individual.

Objective

Our trial assessed the effect of a longitudinally tailored Internet- and mobile-based intervention for physical activity as an extension of a face-to-face cardiac rehabilitation stay. We hypothesized that users of the tailored intervention would maintain their physical activity level better than users of the nontailored version.

Methods

The study population included adult participants of a cardiac rehabilitation program in Norway with home Internet access and a mobile phone. The participants were randomized in monthly clusters to a tailored or nontailored (control) intervention group. All participants had access to a website with information regarding cardiac rehabilitation, an online discussion forum, and an online activity calendar. Those using the tailored intervention received tailored content based on models of health behavior via the website and mobile fully automated text messages. The main outcome was self-reported level of physical activity, which was obtained using an online international physical activity questionnaire at baseline, at discharge, and at 1 month and 3 months after discharge from the cardiac rehabilitation program.

Results

Included in the study were 69 participants. One month after discharge, the tailored intervention group (n=10) had a higher median level of overall physical activity (median 2737.5, IQR 4200.2) than the control group (n=14, median 1650.0, IQR 2443.5), but the difference was not significant (Kolmogorov-Smirnov Z=0.823, P=.38, r=.17). At 3 months after discharge, the tailored intervention group (n=7) had a significantly higher median level of overall physical activity (median 5613.0, IQR 2828.0) than the control group (n=12, median 1356.0, IQR 2937.0; Kolmogorov-Smirnov Z=1.397, P=.02, r=.33). The median adherence was 45.0 (95% CI 0.0-169.8) days for the tailored group and 111.0 (95% CI 45.1-176.9) days for the control group; however, the difference was not significant (P=.39). There were no statistically significant differences between the 2 groups in stage of change, self-efficacy, social support, perceived tailoring, anxiety, or depression.

Conclusions

Because of the small sample size and the high attrition rate at the follow-up visits, we cannot make conclusions regarding the efficacy of our approach, but the results indicate that the tailored version of the intervention may have contributed to the long-term higher physical activity maintained after cardiac rehabilitation by participants receiving the tailored intervention compared with those receiving the nontailored intervention.

Trial Registration

ClinicalTrials.gov: NCT01223170; http://clinicaltrials.gov/show/NCT01223170 (Archived by WebCite at http://www.webcitation.org/6Nch4ldcL).

Moderate- and vigorous-intensity exercise behaviour according to the Transtheoretical Model: associations with smoking and BMI among Austrian adults

BACKGROUND

Regular physical activity leads to a number of physiological benefits, such as reduced risk of coronary heart disease, diabetes mellitus and obesity. In Austria, there is little information about the prevalence of physically inactive people, as well as about who is more likely to belong to the inactive or irregularly active groups. The aim of this study is to describe the socio-demographic distributions across the stages of behavioural change for moderate- and vigorous-intensity physical activity, according to the Transtheoretical Model, and to identify associations with smoking and body mass index (BMI).

METHOD

Data were collected in a standardised procedure using a self-report questionnaire from 489 adults who attended a health check in an outpatient clinic in southern Austria. Height and weight were measured by physicians. The subjects were categorised into the five stages of change (pre-contemplation, contemplation, preparation, action, maintenance), separately assessed for moderate- and vigorous-intensity physical activity.

RESULTS

The likelihood of being in the stage of maintenance of moderate-intensity physical activity was highest in older subjects (p < 0.05). Participants of a high educational level showed the highest likelihood of being physically active in vigorous-intensity physical activity (p < 0.05). Furthermore, the lowest stages of change behaviour were associated with higher BMI levels for vigorous-intensity physical activity (p < 0.05). Smokers were significantly (p < 0.05) more likely not to perform vigorous-intensity physical activity than non-smokers.

CONCLUSION

Our findings contribute to a better understanding of behavioural correlates of regular physical activity. The results may prove useful for developing promotion programmes for physical activity, allowing targeting of the identified risk groups.

Predischarge education improves adherence to a healthy lifestyle among Jordanian patients with acute coronary syndrome

Risk factor reduction and modification of patient lifestyle have become the focus of secondary prevention and cardiac rehabilitation programs. Considering the scarcity of resources in developing countries, nurses can potentially provide great benefit to acute coronary syndrome patients by utilizing hospital time to teach the patients how to lower their risk for recurrence and adopt healthier lifestyles after discharge. The purpose of this study was to identify the effectiveness of a predischarge education on acute coronary syndrome patients' lifestyles. Quasi-experimental pretest-post-test design was used. The patients assigned to the experimental group were offered predischarge education that stimulates lifestyle modification and adoption of a healthier lifestyle. The experimental group scored significantly higher than the control group in three lifestyle components - health responsibilities, nutrition, and interpersonal relations. In conclusion, predischarge education helps motivate acute coronary syndrome patients to adhere to a healthy lifestyle postdischarge. Therefore, nurses must be educated and prepared to be qualified health educators, and health education should continue as one of the most important daily nursing practices, thus it is invested in the preparation of acute coronary patients' discharge plan.

E-Rehabilitation - an Internet and mobile phone based tailored intervention to enhance self-management of cardiovascular disease: study protocol for a randomized controlled trial

Background

Cardiac rehabilitation is very important for the recovery and the secondary prevention of cardiovascular disease, and one of its main strategies is to increase the level of physical activity. Internet and mobile phone based interventions have been successfully used to help people to achieve this. One of the components that are related to the efficacy of these interventions is tailoring of content to the individual. This trial is studying the effect of a longitudinally tailored Internet and mobile phone based intervention that is based on models of health behaviour, on the level of physical activity and the adherence to the intervention, as an extension of a face-to-face cardiac rehabilitation stay.

Methods/Design

A parallel group, cluster randomized controlled trial. The study population is adult participants of a cardiac rehabilitation programme in Norway with home Internet access and mobile phone, who in monthly clusters are randomized to the control or the intervention condition. Participants have access to a website with information regarding cardiac rehabilitation, an online discussion forum and an online activity calendar. Those randomized to the intervention condition, receive in addition tailored content based on models of health behaviour, through the website and mobile text messages. The objective is to assess the effect of the intervention on maintenance of self-management behaviours after the rehabilitation stay. Main outcome is the level of physical activity one month, three months and one year after the end of the cardiac rehabilitation programme. The randomization of clusters is based on a true random number online service, and participants, investigators and outcome assessor are blinded to the condition of the clusters.

Discussion

The study suggests a theory-based intervention that combines models of health behaviour in an innovative way, in order to tailor the delivered content. The users have been actively involved in its design, and because of the use of Open-Source software, the intervention can easily and at low-cost be reproduced and expanded by others. Challenges are the recruitment in the elderly population and the possible underrepresentation of women in the study sample. Funding by Northern Norway Regional Health Authority.

Trial registration

Trial registry http://www.clinicaltrials.gov: NCT01223170.

Beyond resolutions? A randomized controlled trial of a self-regulation lifestyle programme for post-cardiac rehabilitation patients

BACKGROUND

As lifestyle adherence and risk factor management following completion of cardiac rehabilitation (CR) have been shown to be problematic, we developed a brief self-regulation lifestyle programme for post-CR patients.

DESIGN

Randomized-controlled trial.

METHODS

Following completion of CR 210 patients were randomized to receive either a lifestyle maintenance programme (n = 112) or standard care (n = 98). The programme was based on self-regulation principles and consisted of a motivational interview, seven group sessions, and home assignments. Risk factors and health behaviours were assessed at baseline (end of CR) and 6 months thereafter.

RESULTS

ANCOVAs showed a significant effect of the lifestyle programme after 6 months on blood pressure, waist circumference, and exercise behaviour.

CONCLUSION

This trial indicates that a relatively brief intervention based on self-regulation theory is capable of instigating and maintaining beneficial changes in lifestyle and risk factors after CR.