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The impact of a workplace-based weight loss program on work-related outcomes in overweight male shift workers
Philip J Morgan1, Clare E Collins, Ronald C Plotnikoff
1School of Education, University of Newcastle, Callaghan, Australia. Philip.Morgan@newcastle.edu.au
Objective:
The aim of this study was to evaluate the impact of a workplace-based weight loss program (Workplace POWER [Preventing Obesity Without Eating like a Rabbit]) for male shift workers on a number of work-related outcomes.
Methods:
A total of 110 overweight/obese (body mass index = 25-40) (mean [SD] age = 44.3 [8.6] years; body mass index = 30.5 [3.6]) male employees at Tomago Aluminium (New South Wales, Australia) were randomized to either (i) Workplace POWER program (n = 65) or (ii) a 14-week wait-list control group (n = 45). Men were assessed at baseline and 14-week follow-up for weight, quality of life, sleepiness, productivity at work (presenteeism), absenteeism, and workplace injuries.
Results:
Retention was 81%. Intention-to-treat analysis using linear mixed models revealed a significant intervention effect for weight, quality of life (mental), presenteeism, absenteeism, and injuries.
Conclusions:
The Workplace POWER weight loss program improved a number of important work-related outcomes in male shift workers.
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