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The effects of diet on levels of physical activity during winter in forensic inpatients - A randomized controlled
Anita L Hansen1,2, Gina Ambroziak3, David Thornton2,4
1Department of Clinical Psychology, University of Bergen, Bergen, Norway and Department of Psychosocial Science, University of Bergen, Bergen, Norway.
Background:
Fish consumption has been shown to have beneficial effects on biological and subjective measures of health and well-being. However, little is known about the effects of fish consumption at the behavioral level.
Objective:
The primary aim of this study was to investigate the influence of diet on behavior such as physical activity during winter in forensic inpatients. The secondary aim was to investigate the relationship between vitamin D status and physical activity.
Design:
Eighty-one male forensic inpatients participated in this study. Participants were randomized into two different diet groups: a Fish group receiving fatty fish three times per week and a Control group receiving an alternative meal (e.g. chicken, pork, and beef); while the Fish group received their fish, the Control group received an alternate meal, but with the same nutritional value as their habitual diet. The duration of the food intervention was 6 months.
Results:
The results revealed that the Fish group had a regular pattern of physical activity throughout the intervention period. The participants in the Control group showed a more irregular pattern of physical activity in addition to a significant reduction in physical activity over time.
Conclusion:
Behavior such as physical activity during winter seemed to be influenced by the diet.
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