Human Nutrition and Dietetics

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    Efficacy of supervised workplace exercise over an unsupervised exercise-on-prescription in prediabetes: a randomized control trial among administrative staff of a Tertiary Health Centre, South-Western Nigeria.
    (College of Medicine, University of Ibadan, 2019) Martins, S. O.; Folasire, O. F.; Irabor, A.E.
    Introduction: Offering supervised work-place exercise to employees with prediabetes in a closed work group may be an efficient lifestyle intervention strategy to reverse prediabetes among them. This study compared the efficacy of supervised workplace exercise over unsupervised prescription exercise in prediabetic hospital administrative staff of a tertiary health centre in South-western Nigeria. Method: A randomized control trial study design with a 3-month follow-up was employed. The study recruited 67 administrative staff of the University College Hospital, Ibadan with prediabetes following an initial screening exercise that involved 300 administrative staff. Participants were randomized into the intervention group (that received supervised work-place exercise; n= 33) and the control group (that received unsupervised exercise-on-prescription; n= 34). Anthropometry and blood glucose estimates were assessed at baseline and end of the study period. The change in these outcomes were compared between and within groups using the repeated measures analysis of covariance. The level of statistical significance was set at p < 0.05. Results: At the end of this study, both groups had significant body weight and blood glucose reductions at 3-month follow-up as compared to the baseline period. However, the intervention group had significantly higher reductions in the mean body weight (×2.1± 0.4 kg vs -0.9 ± 0.2kg), fasting plasma glucose (×1.9 ± 0.3mmol/L vs ×1.1 ± 0.7mmol/L) and oral glucose tolerance test (×2.7 ± 0.9 mmol/L vs ×1.7 ± 0.4mmol/L) than the control group. Conclusion: The supervised work-place exercise had higher efficacy over unsupervised exercise-on prescription among hospital employees with prediabetes. The long-term impact of supervised work-place exercise on diabetes prevention and the sustainability of work-place exercise programs warrant further investigation.