Determinants of successful lifestyle change during a 6-month preconception lifestyle intervention in women with obesity and infertility

Published on Sep 1, 2019in European Journal of Nutrition4.449
· DOI :10.1007/s00394-018-1798-7
Matty D. A. Karsten2
Estimated H-index: 2
(UG: University of Groningen),
Anne M. van Oers3
Estimated H-index: 3
(UG: University of Groningen)
+ 27 AuthorsJ.P. de Bruin13
Estimated H-index: 13
Purpose: To identify demographic, (bio)physical, behavioral, and psychological determinants of successful lifestyle change and program completion by performing a secondary analysis of the intervention arm of a randomized-controlled trial, investigating a preconception lifestyle intervention. Methods: The 6-month lifestyle intervention consisted of dietary counseling, physical activity, and behavioral modification, and was aimed at 5–10% weight loss. We operationalized successful lifestyle change as successful weight loss (≥ 5% weight/BMI ≤ 29 kg/m 2 ), weight loss in kilograms, a reduction in energy intake, and an increase in physical activity during the intervention program. We performed logistic and mixed-effect regression analyses to identify baseline factors that were associated with successful change or program completion. Results: Women with higher external eating behavior scores had higher odds of successful weight loss (OR 1.10, 95% CI 1.05–1.16). Women with the previous dietetic support lost 0.94 kg less during the intervention period (95% CI 0.01–1.87 kg). Women with higher self-efficacy reduced energy intake more than women with lower self-efficacy (p
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