Metabolic factors that affect health-related quality of life in type 2 diabetes patients: a multivariate regression analysis
Received 14 March 2019
Accepted for publication 25 June 2019
Published 19 July 2019 Volume 2019:12 Pages 1181—1188
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Cristina Weinberg
Peer reviewer comments 2
Editor who approved publication: Dr Antonio Brunetti
Tania Dehesh,1 Paria Dehesh,2 Mohammad Hossein Gozashti3
1Department of Biostatistics and Epidemiology, School of Public Health, Kerman University of Medical Sciences, Kerman, Iran; 2Graduated of Veterinary Medicine Faculty, Shahid Bahonar University of Kerman, Kerman, Iran; 3Department of Endocrinology, Kerman University of Medical Sciences, Kerman, Iran
Purpose: In the past few decades, an increase in the life span of the population has caused more people to experience chronic diseases, such as type 2 diabetes. Since chronic diseases influence the whole life of patients and do not have a specific remedy, improving their health-related quality of life (HRQoL) becomes more important. The aim of the present study was to investigate the metabolic variables that influenced HRQoL questionnaire scores most significantly among patients with type 2 diabetes.
Patients and methods: The population of this cross-sectional study included 163 patients with type 2 diabetes and 214 healthy people who were asked to complete the HRQoL questionnaire, and their metabolic blood variables were recorded simultaneously. The effects of metabolic variables and some other demographic ones on two main scales of HRQoL, Mental Component Summary (MCS) and Physical Component Summary (PCS), were evaluated using multivariate regression.
Results: Multivariate regression analysis showed that PCS score was most negatively influenced by cigarette smoking (P=0.009, β-15.761), maximum blood pressure (P=0.008, β=−0.108), minimum blood pressure (P=0.009, β=−0.039), low-density lipoprotein cholesterol (P=0.008, β=−0.721), cholesterol (P=0.006, β=−0.648), HbA1c (P=0.004, β=–0.878), FBS (p=0.006, β=−0.769), and body mass index (BMI) (P=0.034, β=–0.287). The MCS score was influenced positively by smoking cigarettes (P=0.041, β=13.032), gender (P=0.018, β=15.633), and BMI (P=0.048, β=−0.088). Men had a higher MCS score compared to women.
Conclusion: The HRQoL questionnaire (as a concept of health) score could be improved by controlling the variation of some metabolic variables in patients with type 2 diabetes. Some metabolic variables could be the main causes of a decrease in physical and mental HRQoL among patients with type 2 diabetes.
Keywords: quality of life, SF-36 questionnaire, metabolic variables
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