Nutrients · 4 authors, 6 centres
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This study evaluated a workplace nutrition program at an Australian coal mine, finding that while participants' knowledge of fruit and vegetable guidelines significantly increased after 6 months, their actual consumption of these foods did not change.
This quasi-experimental study assessed a 6-month workplace health promotion program ('Out of the Box') targeting nutrition in an Australian coal mine. The program had four monthly focus areas: fruits, vegetables & portion control; label reading; alcohol awareness; and hydration. Self-reported surveys were administered at baseline (n=163) and follow-up (n=106), with response rates of 33% and 21% respectively. The central result was a significant increase in nutrition knowledge: follow-up respondents had 29% higher odds of recalling fruit guidelines (OR 1.29, p=0.032) and 76% higher odds of recalling vegetable guidelines (OR 1.76, p<0.001). However, there was no significant change in the consumption of fruits or vegetables. In contrast, the odds of reporting higher consumption of sugar-sweetened beverages, discretionary foods, and takeaway increased significantly. A major limitation was the pre-test–post-test design without a control group, limiting causal attribution.
