Effects of an empowerment-based psychosocial intervention on quality of life and metabolic control in type 2 diabetic patients

Supporting diabetes self-management in primary care: pilot-study of a group-based programme focusing on diet and exercise

AIMS

To develop and implement a group self-management education programme for people with type 2 diabetes at the community level in primary care. This pilot-study intended to evaluate the feasibility, acceptability and long-term effects (12-18 months) of this programme on emotional distress, HbA1c, BMI and actual behaviour.

METHODS

An empowerment-based, theory-driven education programme was evaluated in a before-after design. The programme focused on behaviour assessment, goal-setting, problem solving and tailored information. A diabetes specialist nurse conjointly with a dietician or psychologist led five 2-hour sessions and a follow-up meeting after 3 months.

RESULTS

Forty-four people participated in 5 groups. BMI decreased with 0.45 kg/m(2) (95%CI 0.01-0.89) at 12-month and with 0.53 kg/m(2) (95%CI 0.02-1.04) at 18-month follow-up. HbA1c declined from 7.4% (+/-1.3) to 6.8% (+/-0.8) (p=0.040) and the PAID-score diminished from 28 (+/-20) to 18 (+/-13) (p=0.006) at 12-month post-intervention. These changes were only partly sustained at 18-month follow-up. Actual behaviour changed modestly.

CONCLUSION

Introducing the group education programme in primary healthcare is worthwhile (feasibility and effectiveness). A detailed description of the intervention is offered. Further research should explore the actual education process in greater depth.

Individual patient education for people with type 2 diabetes mellitus

BACKGROUND

Type 2 diabetes is a common and costly chronic disease which is associated with significant premature mortality and morbidity. Although patient education is an integral component of diabetes care, there remain uncertainties regarding the effectiveness of different methods and modes of education.

OBJECTIVES

To evaluate the effectiveness of individual patient education on metabolic control, diabetes knowledge and psychosocial outcomes.

SEARCH STRATEGY

Multiple electronic bibliographic databases were searched, including The Cochrane Library, MEDLINE, Premedline, ERIC, Biosis, AMED, Psychinfo, EMBASE, CINAHL, APAIS-health, Australian Medical Index, Web of Science, dissertation abstracts and Biomed Central.

SELECTION CRITERIA

Randomized controlled and controlled clinical trials which evaluated individual education for adults with type 2 diabetes. The intervention was individual face-to-face patient education while control individuals received usual care, routine treatment or group education. Only studies that assessed outcome measures at least six months from baseline were included.

DATA COLLECTION AND ANALYSIS

Information was extracted by two reviewers who summarized both study characteristics and outcome statistics. A meta-analysis using a fixed-effect model was performed if there were adequate studies with a specified outcome of sufficient homogeneity. For outcomes where there were too few studies or the assessment measurements were not standardized or variable, the results were summarised qualitatively.

MAIN RESULTS

Nine studies involving 1359 participants met the inclusion criteria. Six studies compared individual education to usual care and three compared individual education to group education (361 participants). There were no long-term studies and overall the quality of the studies was not high. In the six studies comparing individual face-to-face education to usual care, individual education did not significantly improve glycaemic control (weighted mean difference (WMD) in HbA1c -0.1% (95% confidence interval (CI) -0.3 to 0.1, P = 0.33) over a 12 to 18 month period. However, there did appear to be a significant benefit of individual education on glycaemic control in a subgroup analysis of three studies involving participants with a higher mean baseline HbA1c greater than 8% (WMD -0.3% (95% CI -0.5 to -0.1, P = 0.007). In the two studies comparing individual to group education, there was no significant difference in glycaemic control between individual or group education at 12 to 18 months with a WMD in HbA1c of 0.03% (95% CI -0.02 to 0.1, P = 0.22). There was no significant difference in the impact of individual versus usual care or group education on body mass index systolic or diastolic blood pressure. There were too few studies to perform a meta-analysis on the effect of individual education on dietary self management, diabetes knowledge, psychosocial outcomes and smoking habits. No data were available on the other main outcome measures of diabetes complications or health service utilization and cost analysis in these studies.

AUTHORS' CONCLUSIONS

This systematic review suggests a benefit of individual education on glycaemic control when compared with usual care in a subgroup of those with a baseline HbA1c greater than 8%. However, overall there did not appear to be a significant difference between individual education and usual care. In the small number of studies comparing group and individual education, there was an equal impact on HbA1c at 12 to 18 months. Additional studies are needed to delineate these findings further.

Meta-analysis of quality of life outcomes following diabetes self-management training

PURPOSE

The purpose of this meta-analysis was to meet the need to quantify the influence of diabetes self-management training on quality of life (QOL) of adult diabetes patients.

METHODS

Extensive literature searching located published and unpublished diabetes self-management intervention studies that measured QOL outcomes among at least 5 subjects with type 1 or 2 diabetes. Data were extracted from primary study reports which included interventions designed to improve diabetes self-management and adequate data to calculate effect sizes. Random-effects meta-analytic procedures were used to estimate overall effects between treatment and control groups at outcome assessment and between baseline and outcome data for both treatment subjects and control subjects.

RESULTS

Exhaustive searching yielded 20 comparisons across 1892 subjects. The comparisons between treatment and control group outcomes following interventions yielded an effect size of 0.281. The comparisons between treatment group at baseline and outcome measurement yielded an effect size of 0.312 to 0.313. Each of these effect sizes were statistically significant, meaning that the hypothesis that interventions to improve diabetes self-management results in increased QOL was supported. Control subjects did not experience improved QOL while participating in studies.

CONCLUSIONS

These findings document that people with diabetes experience improved QOL from participation in diabetes self-management training programs. Future diabetes self-management intervention studies should include quality of life outcomes so that this important outcome can be further studied. After more primary studies are available, future meta-analyses can explore important moderator analyses.

Self-management education programmes by lay leaders for people with chronic conditions

BACKGROUND

Lay-led self-management programmes are becoming widespread in the attempt to promote self-care for people with chronic conditions.

OBJECTIVES

To assess systematically the effectiveness of lay-led self-management programmes for people with chronic conditions.

SEARCH STRATEGY

We searched: the Cochrane Central Register of Controlled Trials (CENTRAL, The Cochrane Library 2005, Issue 1), MEDLINE (January 1986 to May 2006), EMBASE (January 1986 to June 2006), AMED (January 1986 to June 2006), CINAHL (January 1986 to June 2006), DARE (1994 to July 2006, National Research Register (2000 to July 2006), NHS Economic Evaluations Database (1994 to July 2006), PsycINFO (January 1986 to June 2006), Science Citation Index (January 1986 to July 2006), reference lists and forward citation tracking of included studies. We contacted principal investigators and experts in the field. There were no language restrictions.

SELECTION CRITERIA

Randomised controlled trials (RCTs) comparing structured lay-led self-management education programmes for chronic conditions against no intervention or clinician-led programmes.

DATA COLLECTION AND ANALYSIS

Two authors independently assessed trial quality and extracted data. We contacted study authors for additional information. Results of RCTs were pooled using a random-effects model with standardised mean differences (SMDs) or weighted mean differences (WMDs) for continuous outcomes.

MAIN RESULTS

We included seventeen trials involving 7442 participants. The interventions shared similar structures and components but studies showed heterogeneity in conditions studied, outcomes collected and effects. There were no studies of children and adolescents, only one study provided data on outcomes beyond six months, and only two studies reported clinical outcomes.

PRIMARY OUTCOMES

Health status: There was a small, statistically-significant reduction in: pain (11 studies, SMD -0.10 (95% confidence interval (CI) -0.17 to -0.04)); disability (8 studies, SMD -0.15 (95% CI -0.25 to -0.05); and fatigue (7 studies, SMD -0.16 (95% CI -0.23 to -0.09); and small, statistically-significant improvement in depression (6 studies, SMD -0.16 95% CI -0.24 to -0.07). There was a small (but not statistically- or clinically-significant) improvement in psychological well-being (5 studies; SMD -0.12 (95% CI -0.33 to 0.09)); but no difference between groups for health-related quality of life (3 studies; WMD -0.03 (95% CI -0.09 to 0.02). Six studies showed a statistically-significant improvement in self-rated general health (WMD -0.20 (95% CI -0.31 to -0.10). Health behaviours: 7 studies showed a small, statistically-significant increase in self-reported aerobic exercise (SMD -0.20 (95% CI -0.27 to -0.12)) and a moderate increase in cognitive symptom management (4 studies, WMD -0.55 ( 95% CI -0.85 to -0.26)). Healthcare use: There were no statistically-significant differences between groups in physician or general practitioner attendance (9 studies; SMD -0.03 (95% CI -0.09 to 0.04)). There were also no statistically-significant differences between groups for days/nights spent in hospital (6 studies; WMD -0.32 (95% CI -0.71 to 0.07)). Self-efficacy: (confidence to manage condition) showed a small statistically-significant improvement (10 studies): SMD -0.30, 95% CI -0.41 to -0.19. No adverse events were reported in any of the studies.

AUTHORS' CONCLUSIONS

Lay-led self-management education programmes may lead to small, short-term improvements in participants' self-efficacy, self-rated health, cognitive symptom management, and frequency of aerobic exercise. There is currently no evidence to suggest that such programmes improve psychological health, symptoms or health-related quality of life, or that they significantly alter healthcare use. Future research on such interventions should explore longer term outcomes, their effect on clinical measures of disease and their potential role in children and adolescents.

Outcomes of educational interventions in type 2 diabetes: WEKA data-mining analysis

OBJECTIVE

To analyze which factors contribute to improvement in glycemic control in educational interventions in type 2 diabetes reported in randomized controlled trials (RCT) published in 2001-2005.

METHODS

Papers were extracted from Medline and Scopus using educational intervention and adults with type 2 diabetes as keywords. Inclusion criteria were RCT design. Data were analyzed with a data-mining program.

RESULTS

Of 464 titles extracted, 21 articles reporting 18 studies met the inclusion criteria. Data mining showed that for initial glycosylated hemoglobin (HbA1c) level < or = 7.9% the diabetes education intervention achieved a small change in HbA1c level, or from +0.1 to -0.7%. For initial HbA1c > or = 8.0%, a significant drop in HbA1c level of 0.8-2.5% was found. Data mining indicated that duration, educational content and intensity of education did not predict changes in HbA1c levels.

CONCLUSION

Initial HbA1c level is the single most important factor affecting improvements in glycemic control in response to patient education. Data mining is an appropriate and sufficiently sensitive method to analyze outcomes of educational interventions. Diversity in conceptualization of interventions and diversity of instruments used for outcome measurements could have hampered actual discovery of effective educational practices.

PRACTICE IMPLICATIONS

Participation in educational interventions generally seems to benefit people with type 2 diabetes. Use of standardized instruments is encouraged as it gives better opportunities to identify conclusive results with consequent development of clinical guidelines.

Empowering discourse in patient education

OBJECTIVE

A systematic literature review, using a metasummary technique for qualitative studies (n=15) was conducted to describe the nature of empowering discourses between patient and nurse.

METHODS

Computerised searches from 1995 to October 2005 were conducted on the Ovid Medline database using the keywords empower(*), power(*), resource(*), participat(*), facilitat(*), negotiat(*), communicat(*), interact(*), dialog(*), discours(*), discuss(*), encount(*), conversat(*) and 'nurse-patient relations'. All statements concerning empowering discourse were integrated into 29 abstracted findings. Frequency and intensity effect sizes were then calculated.

RESULTS

Empowering discourses vary from study to study. Analysed as a whole, an empowering discourse has specific characteristics and structure. Both patients and nurses have essential roles within this type of discourse and their relationship is characterized by an appreciation of each other's expertise within these roles.

CONCLUSION

The results of this review show empowerment during discourse between patient and nurse has a complex and multifaceted but analysable nature. More research is needed to find systematic methods of empowering discourse.

PRACTICE IMPLICATIONS

The results of this study increase nurses' understanding of empowering methods in patient education identifying ways of facilitating patient empowerment.

Patient empowerment in theory and practice: polysemy or cacophony?

OBJECTIVE

This paper examines how the term "empowerment" has been used in relation to the care and education of patients with chronic conditions over the past decade.

METHODS

Fifty-five articles were analysed, using a qualitative method of thematic analysis.

RESULTS

Empowerment is more often defined according to some of its anticipated outcomes rather than to its very nature. However, because they do not respect the principle of self-determination, most anticipated outcomes and most evaluation criteria are not specific to empowerment. Concerning the process of empowerment, our analysis shows that (i) the educational objectives of an empowerment-based approach are not disease-specific, but concern the reinforcement or development of general psychosocial skills instead; (ii) empowering methods of education are necessarily patient-centred and based on experiential learning; and (iii) the provider-patient relationship needs to be continuous and self-involving on both sides.

CONCLUSION

Our analysis did not allow for the unfolding of a well-articulated theory on patient empowerment but revealed a number of guiding principles and values.

PRACTICE IMPLICATIONS

The goals and outcomes of patient empowerment should neither be predefined by the health-care professionals, nor restricted to some disease and treatment-related outcomes, but should be discussed and negotiated with every patient, according to his/her own particular situation and life priorities.

Health in patients with Type 2 diabetes: an interview study based on the Welfare Theory of Health

BACKGROUND

In his Welfare Theory of Health Nordenfelt describes health as a person's ability to fulfil vital goals in different life areas. In order to use the theory in nursing, a semi-structured interview guide was constructed including questions about which vital goals Type 2 diabetic patients have and believe are important for their own welfare in different life areas.

AIM

The aim of the study was to carry out preliminary validation of the interview guide. Two hypotheses were formulated: (i) Dissatisfied or unhealthy diabetic persons score lower on health-related quality of life (HRQL) than do those classified as healthy; (ii) A person with diabetes who uses avoidance as his/her main coping strategy restructures his/her vital goals in order to avoid failure and thereby dissatisfaction increases.

METHODS

Interviews with 155 randomly selected Type 2 diabetic patients were conducted using the interview guide. HRQL and coping were also measured. The interview data were analysed using content analysis.

RESULTS

The results were in accordance with the health theory, i.e. a person with Type 2 diabetes may be unhealthy, but still satisfied with life as a whole. Our two hypotheses were confirmed: Dissatisfied or unhealthy subjects with Type 2 diabetes had HRQL scores in all domains but physical functioning and bodily pain that were lower than scores of those who were satisfied or healthy, and a person with Type 2 diabetes who uses avoidance as his/her main coping strategy does seem to restructure his/her vital goals to avoid failure.

CONCLUSION

The theory-based interview guide tested in this study seemed to reflect the notion that health includes fulfilment of vital goals.

Low-income American Indians' perceptions of diabetes

OBJECTIVE

To determine inner city American Indians' perceptions of diabetes; find out how they manage their disease; and identify what health care improvements may be necessary for this population.

DESIGN

Eight focus group discussions conducted with diabetic inner city American Indian adults.

SETTING

Focus group discussions led by moderator using open-ended questions with prompts.

PARTICIPANTS

Eligibility criteria include age (> or = 18 years), a self-reported diagnosis of diabetes, and self-identification as inner city American Indian. Participants were screened by telephone to ensure all criteria were met. Forty inner city American Indian men and women participated in 8 focus groups.

PHENOMENON OF INTEREST

American Indians' perception of diabetes, its treatment, and how they manage the disease.

ANALYSIS

Focus group discussions were tape recorded and transcribed verbatim. Transcripts were analyzed by coding responses and identifying common themes according to content analysis procedures. Quantitative data from self-administered demographic forms were analyzed.

RESULTS

Participants could verbalize information regarding treatment and management of diabetes, but few could apply this information to their own lives. Some participants were homeless or without insurance, which makes successful disease management difficult. Perceptions of the health care system varied; a majority felt the system was meeting their needs, whereas others said it was not adequate.

IMPLICATIONS FOR RESEARCH AND PRACTICE

The study identified the need for health care workers to develop a better understanding of how this population lives; doing so could improve patient compliance to treatment. The results may provide direction for the development of culturally specific diabetes education appropriate for low-income patients focusing on the diabetic diet and exercise, and suggesting ways that the patient can move from knowing the information to implementing behavior change.

Psychotherapy in the medically ill: a commentary

OBJECTIVE

To overview the field of psychotherapy in the medically ill. Rather than attempting a systematic review of this very extensive area, the article seeks to capture some of the main threads and issues of importance.

METHOD

The subject is looked at under four headings: (i) which illnesses have attracted research interest in psychotherapy; (ii) which outcome measures have been chosen; (iii) which modes of intervention have been used; and (iv) finally a review of the methodology and the results obtained.

RESULTS

Some illnesses have attracted much more psychotherapeutic interest than others; the differences are haphazard. Outcome measures on the whole have focused on coping with illness and psychological distress, with a smaller number looking at disease outcome. Only short-term changes have been sought in the main. The most commonly used modalities of therapy have been cognitive-behavioural; additionally, supportive information-giving and group therapy have been trialled. Benefit in terms of all these have been reported, but the majority of studies are weakened by major methodological shortcomings.

CONCLUSION

There is an overall paucity of well-designed studies that clearly demonstrate psychotherapy as an efficacious treatment in the medically ill. The field is hampered by the lack of a clear conceptual thread recognizing the long-term and diverse experience of patients with medical illness and relating this to the question of the part psychotherapy should play. Future work needs to concentrate on appropriate selection of patients who might benefit, as well as including a wider range of more clinically relevant outcome measures and more stringent methodology.

Empowering primary care to tackle the obesity epidemic: the Counterweight Programme

OBJECTIVE

To improve the management of obese adults (18-75 y) in primary care.

DESIGN

Cohort study.

SETTINGS

UK primary care.

SUBJECTS

Obese patients (body mass index > or =30 kg/m(2)) or BMI> or =28 kg/m(2) with obesity-related comorbidities in 80 general practices.

INTERVENTION

The model consists of four phases: (1) audit and project development, (2) practice training and support, (3) nurse-led patient intervention, and (4) evaluation. The intervention programme used evidence-based pathways, which included strategies to empower clinicians and patients. Weight Management Advisers who are specialist obesity dietitians facilitated programme implementation.

MAIN OUTCOME MEASURES

Proportion of practices trained and recruiting patients, and weight change at 12 months.

RESULTS

By March 2004, 58 of the 62 (93.5%) intervention practices had been trained, 47 (75.8%) practices were active in implementing the model and 1549 patients had been recruited. At 12 months, 33% of patients achieved a clinically meaningful weight loss of 5% or more. A total of 49% of patients were classed as 'completers' in that they attended the requisite number of appointments in 3, 6 and 12 months. 'Completers' achieved more successful weight loss with 40% achieving a weight loss of 5% or more at 12 months.

CONCLUSION

The Counterweight programme provides a promising model to improve the management of obesity in primary care.

Promoting health in type 2 diabetes: nurse-physician collaboration in primary care

The purpose of this study is to examine effects of a nurse-physician collaborative approach to care of patients with type 2 diabetes and to determine possible effect sizes for use in computing sample sizes for a larger study. Forty patients from a family practice clinic with type 2 diabetes were randomly assigned to control or experimental groups. The control group received standard care, whereas the experimental group received standard care plus home visits from a nurse, as well as consultation with an exercise specialist and/or nutritionist. Follow-up continued for 3 months. Clinical end points included standard measures of diabetes activity as well as quality-of-life indicators. Focus group interviews were used to explore patients' responses to the program. Although findings were not statistically significant, a trend toward small to moderate positive effect sizes was found in glycosylated hemoglobin and blood pressure. Quality of life measures also showed a trend toward small to moderate, but nonsignificant, improvements in physical functioning, bodily pain, vitality, social and global functioning, energy, impact of diabetes, and health distress. Focus group interviews indicated a very positive response from patients, who expressed feelings of empowerment. In this study, patients treated with nurse-physician collaboration demonstrated small, but nonsignificant, improvements in blood chemistry after only 3 months. Physical and social functioning, energy, and bodily pain also showed a small improvement. Changes in awareness of effects of diabetes on health and an expressed sense of self-efficacy suggest that effects could be sustainable over the longer term.

Acceptability and satisfaction with a telecarer approach to the management of type 2 diabetes

OBJECTIVE

To examine patients' views of the acceptability of and satisfaction with telephone care center support provided to improve blood glucose control in type 2 diabetes.

RESEARCH DESIGN AND METHODS

The Pro-Active Call-Center Treatment Support (PACCTS) Trial randomized patients from 47 general practices in a deprived urban area in northwest England to usual care or to proactive call center support in addition to usual care. Satisfaction with care was assessed in all 591 patients at baseline and the end of the study using the Diabetes Satisfaction and Treatment Questionnaire (DTSQ). Acceptability was assessed in 394 intervention patients after at least three proactive calls from the call center and at the end of the trial. A purposive sample of 25 patients took part in in-depth semistructured interviews.

RESULTS

The response rates to the questionnaires were 79% (DTSQ) and 65% (acceptability). Persons receiving the intervention continued to report high levels of satisfaction with their treatment (95% CI 32.3-33.2 at 1 year), and >90% strongly agreed or agreed that the telecarer approach was acceptable. Qualitative comments pointed to the importance of a personalized service; increased feelings of well-being, including confidence and self-control; help with problem-solving; and patients developing rapport and a strong bond with the telecarers.

CONCLUSIONS

A personalized PACCTS approach is acceptable to patients. A service giving priority to the interpersonal dimension leads to increased commitment from patients to improve long-term glycemic control.