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Obesity (Silver Spring). 2014 Apr;22(4):1002-7. doi: 10.1002/oby.20636. Epub 2013 Dec 4.

Examining behavioral processes through which lifestyle interventions promote weight loss: results from PREMIER.

Author information

1
Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD, USA.

Abstract

OBJECTIVE:

To examine the behavioral processes through which lifestyle interventions impacted weight loss.

METHODS:

The analyses were limited to overweight and obese Black and White adults randomized to a PREMIER lifestyle intervention (N = 501). Structural equation modeling was conducted to test the direct and indirect relationships of session attendance, days of self-monitoring diet and exercise, change in diet composition and exercise, and 6-month weight change.

RESULTS:

Greater session attendance was associated with increased self-monitoring, which was in turn significantly related to reduction in percent energy from total fat consumed. Change in percent energy from fat and self-monitoring was associated with 6-month percent change in weight. Both a decrease in fat intake and increase in self-monitoring are potential mediators of the relationship between attendance and weight change.

CONCLUSIONS:

The findings provide a reasonable model that suggests regular session attendance and use of behavioral strategies like self-monitoring are associated with improved behavioral outcomes that are associated with weight loss.

PMID:
24124061
PMCID:
PMC3968223
DOI:
10.1002/oby.20636
[Indexed for MEDLINE]
Free PMC Article

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