Moderators of physical activity and healthy eating in an integrated community-based intervention for older adults.

Auteur(s) :
Reijneveld SA., Dijkstra A., de Winter AF., Luten KA.
Date :
Avr, 2016
Source(s) :
European journal of public health. # p
Adresse :
1 Department of Health Sciences, Community & Occupational Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands [email protected].

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BACKGROUND
An integrated community-based intervention was developed to stimulate physical activity (PA) and healthy eating in older adults in a socioeconomically disadvantaged area. This study aims to assess whether its short-term effects among older adults vary by sociodemographic, psychosocial and health-related variables.

METHODS
The study was a controlled pre-post quasi-experimental design (intervention conditionn= 430; control conditionn= 213), with a baseline measurement and a 9-month follow-up measurement. The intervention consisted of a local media campaign and environmental approaches. Changes in PA and fruit and vegetable consumption (FVC) were dependent variables assessed at 9-month follow-up. Sociodemographic, psychosocial and health-related variables at baseline were tested as potential moderators of the effects of the conditions.

RESULTS
We found different types of moderators in particular for transport-related PA and FVC. Regarding sociodemographic characteristics, gender was a moderator for household-related PA, and educational level for transport-related PA and FVC. Self-efficacy, as a psychosocial variable, was a moderator of transport-related PA and vegetable consumption. Concerning health-related outcomes, baseline levels of transport-related PA and fruit consumption were moderators for transport-related PA and fruit consumption. If adjusted for multiple testing, only three moderators persisted: educational level regarding vegetable consumption, and baseline levels regarding transport-related PA and fruit consumption.

CONCLUSION
The effects of the community intervention vary somewhat by sociodemographic, psychosocial and health-related variables. The intervention seems to be especially beneficial to those who are most in need of more PA and healthy eating.

Source : Pubmed
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