Exercise Improves Quality of Life in Indigenous Polynesian Peoples With Type 2 Diabetes and Visceral Obesity

in Journal of Physical Activity and Health
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Background:

To evaluate the differential effect of 2, group-based exercise modalities on quality of life (QoL) in indigenous Polynesian peoples with type 2 diabetes (T2DM) and visceral obesity.

Methods:

Participants were randomized to resistance training or aerobic training performed 3 times per for 16 weeks. The Short-Form 36 was administered at baseline and post intervention to assess 8 domains and physical and mental component scales (PCS and MCS) of QoL.

Results:

With the exception of Mental Health and MCS, all scores were lower at baseline than general population norms. Significant improvements were documented in several QoL scores in each group post intervention. No group × time interactions were noted. Pooled analyses of the total cohort indicated significantly improved Physical Functioning, Role-Physical, Bodily Pain, General Health, Vitality, Role-Emotional, PCS and MCS. Adaptation ranged from 5%−22%, and demonstrated a moderate-to-large effect (Cohen’s d = 0.64−1.29). All measures of QoL increased to near equivalent, or greater than general norms.

Conclusion:

Exercise, regardless of specific modality, can improve many aspects of QoL in this population. Robust trials are required to investigate factors mediating improvements in QoL, and create greater advocacy for exercise as a QoL intervention in this and other indigenous populations with T2DM.

Sukala is with the School of Health and Human Sciences, Southern Cross University, Lismore, New South Wales, Australia. Page and Rowlands are with the Institute of Food, Nutrition, and Human Health, Massey University, Wellington, Wellington, New Zealand. Lonsdale and Cheema are with the School of Science and Health, University of Western Sydney, Penrith, NSW, Australia. Lys is with the School of Psychological and Clinical Sciences, Charles Darwin University, Darwin, NT, Australia. Krebs is with the School of Medicine and Health Science, University of Otago, Wellington, Wellington, New Zealand. Leikis is with the Dept of Renal Medicine, Capital and Coast District Health Board, Wellington, Wellington, New Zealand.