“Girls on the Move” intervention protocol for increasing physical activity among low-active underserved urban girls: a group randomized trial

BMC Public Health

Stacey M Wesolek⁴  Lawrence An²  Zhiying You⁴  Kenneth Resnicow³  Amber Vermeesch⁴  Karin A Pfeiffer¹  Lorraine B Robbins⁴ 

[1] Department of Kinesiology, College of Education, Michigan State University, 27R IM Sports Circle, East Lansing, MI 48824, USA;Center for Health Communications Research, University of Michigan, 2800 Plymouth Road, Ann Arbor, MI 48109, USA;School of Public Health, University of Michigan, 1415 Washington Heights, Ann Arbor, MI 48109, USA;College of Nursing, Michigan State University, 1355 Bogue Street, East Lansing, MI 48824, USA

关键词: Motivational interviewing;    Tailored counseling;    Intervention;    School;    Females;    Adolescents;    Physical activity;    Group randomized trial;   

Others  :  1162207
DOI  :  10.1186/1471-2458-13-474

 received in 2013-04-26, accepted in 2013-05-02,  发布年份 2013

【 摘 要 】

Background

Increasing moderate to vigorous physical activity among urban girls of low socioeconomic status is both a challenge and a public health priority. Physical activity interventions targeting exclusively girls remain limited, and maintenance of moderate to vigorous physical activity during the post-intervention period has been difficult to maintain. The main aim of the 5-year “Girls on the Move” group randomized trial is to evaluate the efficacy of a comprehensive school-based intervention in increasing girls’ minutes of moderate to vigorous physical activity and improving cardiovascular fitness, body mass index, and percent body fat immediately post-intervention (after 17 weeks) and at 9-month post-intervention follow-up (9 months after end of intervention).

Methods/Design

A total of 24 urban middle schools in the Midwestern U.S. will be randomized to either receive the intervention or serve as a control (N = 1200 girls). The intervention, based on the Health Promotion Model and Self-Determination Theory, will include: (1) two face-to-face motivational, individually tailored counseling sessions with a registered nurse, one at the beginning and the other at the end of the intervention period; (2) an interactive Internet-based session during which each girl receives individually tailored motivational and feedback messages via iPad at 11 weeks (shortly after midpoint of intervention); and (3) a 90-minute after-school physical activity club. Racially diverse, low-active, 10- to 14-year-old 5^th to 8^th-grade girls will complete questionnaires and physical measures at baseline and post-intervention (n = 50 per school). Minutes of moderate to vigorous physical activity will be assessed with accelerometers. Cardiovascular fitness will be assessed by estimating VO₂ max with PACER (Progressive Aerobic Cardiovascular Endurance Run) scores. Height and weight will be assessed to calculate body mass index. Percent body fat will be estimated with a foot-to-foot bioelectric impedance scale. Linear mixed effects regression analyses will be performed to assess intervention effects.

Discussion

This multi-component approach is expected to improve girls’ moderate to vigorous physical activity and related physical outcomes.

Trial Registration

ClinicalTrials.gov Identifier NCT01503333

【 授权许可】

   
2013 Robbins et al.; licensee BioMed Central Ltd.

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