Brief, cost-effective interventions to promote diabetes self-management are needed. This study evaluated the effects of a brief, regular, proactive, telephone "coaching" intervention delivered by paraprofessionals on diabetes adherence, glycemic control, diabetes-related medical symptoms, and depressive symptoms. Therapeutic mechanisms underlying the intervention's effect on the primary outcomes were also examined. Adults diagnosed with type 2 diabetes (N = 62) were randomly assigned to receive the "coaching" intervention and treatment as usual, or only treatment as usual. The intervention increased frequency of exercise and feet inspection, improved diet, reduced diabetes medical symptoms, and lowered depressive symptoms. Self-efficacy, reinforcement, and awareness of self-care goals mediated the treatment effect on depression, exercise, and feet inspection, respectively. A brief telephone intervention delivered by paraprofessionals had positive effects on type 2 diabetes patients.
Healthy people who believe they are at risk for a life-threatening disease appear to carry a substantial stress burden because of threat of disease and uncertainty of risk. Testing for risk factors may be helpful by reducing this uncertainty, but diseases with multiple causes, like breast cancer, appear to be determined by genetic factors and by age, reproductive behavior, exposure to environmental toxins, or unknown antecedents. For diseases caused by inherited genetic defects, testing brings different benefits and stressors. A model is proposed that predicts long-term distress when risk analysis suggests a very high risk, when uncertainty is not reduced, when results of testing are at odds with preventive actions already taken, and when people who receive a positive, risk-increasing result lack strong social support, coping skills, other psychosocial resources, or all of these.
This study examined psychological prediction of 2-year disease progression in gay men after finding out their human immunodeficiency virus (HIV) serostatus. Psychological and immune status of asymptomatic gay men who did not know their HIV serostatus was monitored during the 5 weeks before and after serostatus notification. The men were randomly assigned to an exercise. cognitive-behavioral stress-management intervention, or control group. At 2-year follow-up for the 23 men who turned out to be seropositive. 9 had developed symptoms, including 5 with acquired immune deficiency syndrome--4 of whom died. Distress at diagnosis, denial (5 weeks post-diagnosis minus pre-diagnosis). and low adherence during interventions were significant predictors of 2-year disease progression. Denial and adherence remained significant predictors of disease progression even after controlling for CD4 number at entry. Furthermore. change in denial was significantly correlated with immune status 1 year later; l-year immune status was significantly correlated with 2-year disease progression. The present study therefore demonstrates significant relations between psychological variables on the one hand and both immune measures and HIV-1 disease progression on the other. We conclude that distress, denial, and low protocol compliance predict subsequent disease progression.
Considerable evidence links depression with the development and worsening of diabetes, but the factors contributing to this link have not been established. The authors examined the role of adherence, body mass index (BMI), and self-efficacy. Adult patients with Type 2 diabetes (N = 56) completed self-report measures of diet and exercise adherence, diet and exercise self-efficacy, and depression. BMI was obtained from medical records. Path and mediation analyses indicated that both adherence and BMI independently contributed to self-efficacy. Self-efficacy mediated both the association between adherence and depression and the association between BMI and depression. These findings are consistent with the proposal that lower self-efficacy in reaction to adherence failure and higher BMI contributes to depression in adults with diabetes.
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