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Open Access Research

Depressed mood, glycaemic control and functional capacity in overweight/obese men with and without type 2 diabetes

Itamar Levinger12*, Steve Selig23, George Jerums4, Andrew Stewart2, Cadeyrn J Gaskin3 and David L Hare2

Author Affiliations

1 Institute for Sport, Exercise and Active Living (ISEAL), School of Sport and Exercise Science, Victoria University, PO Box 14428, Melbourne, VIC, 8001, Australia

2 University of Melbourne and Department of Cardiology, Austin Health, Melbourne, Australia

3 Centre for Exercise and Sports Science, School of Exercise & Nutrition Sciences, Deakin University, Melbourne, Australia

4 University of Melbourne and Department of Endocrinology, Austin Health, Melbourne, Australia

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Diabetology & Metabolic Syndrome 2012, 4:46  doi:10.1186/1758-5996-4-46

Published: 21 November 2012

Abstract

Objective

To determine whether there were differences in depressed mood between overweight/obese men with and without type 2 diabetes (T2DM) and to examine any associations between depressed mood, physical functioning, and glycaemic control in overweight/obese men with and without T2DM.

Methods

Fifty seven overweight/obese men with (n = 19, age = 54.2 ± 7.4 yrs, BMI = 32.3 ± 6.7 kg⋅m-2) and without T2DM (n = 38, age = 51.1 ± 6.8 yrs, BMI = 29.9 ± 4.5kg⋅m-2, p > 0.05 between groups) participated. The men completed measures of depressed mood and health-related quality of life (HRQL) and underwent the following assessments: fasting blood lipids and glucose, HbA1c, anthropometric measurements, VO2peak, muscle strength, and physical function.

Results

Compared to men without T2DM, men with T2DM had higher depressed mood (p = 0.05, η2 = 0.07), as well as lower perceived general health (p < .01, η2 = 0.24) and social functioning (p = .01, η2 = 0.10). Men with T2DM also had lower VO2peak (21.8 ± 5.3 versus 25.8 ± 5.4 ml⋅kg-1⋅min-1, p < .01, η2 = 0.11) and muscle strength (3.3 ± 0.8 versus 3.7 ± 0.7 kg⋅kg-1, p = 0.08, η2 = 0.06), as well as being slower to complete physical performance tasks (27.2 ± 5.2 versus 24.2 ± 2.8 sec, p < 0.01, η2 = 0.13). In those with T2DM, depressed mood was highly correlated with most HRQL subscales. For the combined cohort, depressed mood was correlated with fasting glucose (r = 0.31, p = 0.012) but not the functional measures.

Conclusions

Men with T2DM have higher levels of depressed mood compared to men without T2DM. Glycaemic control, but not functional capacities, is associated with depressed mood in the study cohort.

Keywords:
Aerobic power; Cardiac Depression Scale; Depression; Glycaemic control; Type 2 diabetes