Objectively Assessed Physical Activity and Weight Loss Maintenance among Individuals Enrolled in a Lifestyle Intervention

Objective: To examine the relationship between objectively assessed moderate-to-vigorous intensity physical activity (MVPA) and 4-year weight loss (WL) and WL maintenance among individuals with diabetes enrolled in the Look AHEAD trial. Methods: MVPA was measured in a subgroup of lifestyle intervention participants with accelerometry data at baseline and at 1 and 4 years (n = 553; age: 59.7 ± 6.8 y; BMI: 35.5 ± 5.9 kg/m2). Minutes per week of bout-related MVPA were calculated (≥ 3 metabolic equivalents, ≥ 10-min bouts), and adherence to the national physical activity (PA) recommendation for WL maintenance (≥ 250 min/wk) was assessed. Results: Independent of 1-year WL, 4-year MVPA (β = −0.003, SE = 0.002, P = 0.006), but not 1-year MVPA (β = 0.0001, SE = 0.001, P = 0.50), was significantly associated with 4-year WL. Compared with “nonmaintainers” (≥ 10% WL at year 1, but < 10% at year 4; n = 132), WL maintainers (≥ 10% WL at years 1 and 4; n = 103) had higher MVPA at year 1 (253.4 ± 251.8 vs. 163.9 ± 158.2 min/wk, P = 0.002) and year 4 (155.3 ± 180.6 vs. 111.4 ± 154.5 min/wk, P = 0.046). Although 38.8% and 22.3% of WL maintainers engaged in ≥ 250 min/wk at years 1 and 4, respectively, many engaged in < 150 min/wk (year 1: 41%, year 4: 61%). Conclusions: Higher weekly MVPA is associated with greater long-term WL and weight maintenance; however, many individuals are able to maintain ≥ 10% WL while engaging in little MVPA. © 2017 The Obesity Society

MEDICIN OCH HÄLSOVETENSKAP Hälsovetenskap Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi hsv//swe
MEDICAL AND HEALTH SCIENCES Health Sciences Public Health, Global Health, Social Medicine and Epidemiology hsv//eng
accelerometry
adult
Article
body weight maintenance
controlled study
diabetes mellitus
female
human
lifestyle modification
long term care
major clinical study
male
middle aged
moderate to vigorous intensity physical activity
outcome assessment
physical activity
treatment duration
weight change
weight control
weight reduction

Gaussoin, S. A. (author)
Hill, J. O. (author)
Jakicic, J. M. (author)
Bond, D. S. (author)
Hellgren, Margareta,1955Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa,Institute of Medicine, School of Public Health and Community Medicine(Swepub:gu)xhelmb (author)
Johnson, K. C. (author)
Peters, A. L. (author)
Coday, M. (author)
Kitzman, D. W. (author)
Bossart, S. (author)
Wing, R. R. (author)
Göteborgs universitetInstitutionen för medicin, avdelningen för samhällsmedicin och folkhälsa (creator_code:org_t)

By the author/editor: Unick, J. L.; Gaussoin, S. A.; Hill, J. O.; Jakicic, J. M.; Bond, D. S.; Hellgren, Margar ...; show more...; Johnson, K. C.; Peters, A. L.; Coday, M.; Kitzman, D. W.; Bossart, S.; Wing, R. R.; show less...

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MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Health Sciences; and Public Health Gl ...

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