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Randomized Controlled Trial
. 2016 Mar 9:16:14.
doi: 10.1186/s12905-016-0292-8.

Perceived exercise barriers are reduced and benefits are improved with lifestyle modification in overweight and obese women with polycystic ovary syndrome: a randomised controlled trial

Rebecca L Thomson  1 , Jonathan D Buckley  2 , Grant D Brinkworth  3
Affiliations
Randomized Controlled Trial

Perceived exercise barriers are reduced and benefits are improved with lifestyle modification in overweight and obese women with polycystic ovary syndrome: a randomised controlled trial

Rebecca L Thomson et al. BMC Womens Health. .

Abstract

Background: This study assessed the perceived benefits and barriers to exercise participation in overweight and obese women with polycystic ovary syndrome (PCOS) and monitored changes in response to a lifestyle intervention.

Methods: Forty-three overweight/obese PCOS women (Age, 30.3(6.2) yrs; BMI, 36.4(5.6) kg/m(2)) were randomised to one of three 20-week lifestyle programs: diet only (DO, n = 13), diet and aerobic exercise (DA, n = 11) and diet and combined aerobic-resistance exercise (DC, n = 19). Exercise Benefits/Barriers Scale (EBBS), weight, aerobic fitness, depression and PCOS specific health-related quality of life were measured.

Results: Barriers score was related to depression (r = 0.45, P = 0.002) and aerobic fitness (r = -0.32, P = 0.04), while benefits score was related to aerobic fitness (r = 0.41, P = 0.007). EBBS, benefits and barriers scores improved overtime (P ≤ 0.001). Benefits subscales psychological outlook and social interaction increased (P ≤ 0.001) and life enhancement and preventative health did not change (P ≥ 0.3). Physical performance increased only in DA (P = 0.009). There were no differences between treatments for any of the other subscales (P ≥ 0.2). Barriers subscales exercise milieu, time expenditure and physical exertion reduced (P ≤ 0.003) and family discouragement did not change (P = 0.6).

Conclusions: This study demonstrated that lifestyle modification consisting of an energy-restricted diet with or without exercise training improved the perceived benefits from and barriers to exercise.

Trial registration: Australian New Zealand Clinical Trials Register ACTRN12606000198527, registered 26 May 2006.

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Figures

Fig. 1
Fig. 1
Flow chart of participants in the study. DO, diet only; DA, diet and aerobic exercise; DC, diet and combined aerobic-resistance exercise
See this image and copyright information in PMC

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