DOI: 10.2337/dc06-0617 © 2006 by the American Diabetes Association
Psychological Outcomes of Patients With Screen-Detected Type 2 DiabetesThe influence of time since diagnosis and treatment intensity
1 Department of Clinical and Health Psychology, Utrecht University, Utrecht, the Netherlands Address correspondence and reprint requests to Bart J. Thoolen, Department of Clinical and Health Psychology, Utrecht University, P.O. Box 80.140, 3508 TC Utrecht, Netherlands. E-mail: b.j.thoolen{at}fss.uu.nl OBJECTIVEThe objective of this study was to investigate how time since diagnosis and treatment intensity influence psychological outcomes in patients with screen-detected type 2 diabetes. RESEARCH DESIGN AND METHODSA 2 x 2 factorial cross-sectional design was used to examine psychological outcomes in 196 patients with screen-detected diabetes diagnosed 333 months previously who were receiving usual care or intensive multifactorial pharmacological treatment. Outcomes included anxiety, depression, diabetes-related distress, perceived seriousness and vulnerability, self-efficacy, and self-care. Multivariate analysis was used to examine variations in outcomes based on time since diagnosis (<1 vs. 23 years) and treatment intensity. RESULTSMost patients reported little distress, low perceived seriousness and vulnerability, high self-efficacy, and low self-care, but outcomes varied considerably across conditions. Time effects were found for perceived vulnerability, which increases significantly with time since diagnosis. Time x treatment interactions were found for anxiety, diabetes-related distress, and self-efficacy; notably, intensively treated patients showed more distress and less self-efficacy in the 1st year, and usual-care patients reported more distress and less self-efficacy 23 years after diagnosis. CONCLUSIONSScreen-detected patients generally do not experience much difficulty with their condition in the first few years, but early and intensive treatment can influence patients psychological outcomes, leading to relatively more anxiety and less self-efficacy in the 1st year after diagnosis but not necessarily improving self-care. This suggests that intensive treatments confront patients with their diabetes earlier on whereas milder treatments may delay confrontation. This finding should be taken into account in the development and timing of psychological interventions for patients with newly diagnosed diabetes.
Abbreviations: ADDITION, Anglo-Danish-Dutch Study of Intensive Treatment and Complication Prevention in Type 2 Diabetic Patients Identified by Screening in Primary Care HADS, Hospital Anxiety and Depression Scale PAID, Problem Areas in Diabetes
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