Sarah M Colby

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This study assessed the nutritional quality of snacks and beverages sold in vending machines. The contents of snack and beverage vending machines in 78 buildings on 11 US post-secondary education campuses were surveyed. Of the 2607 snack machine slots surveyed, the most common snacks vended were salty snacks (e.g., chips, pretzels) and sweets (i.e., candy(More)
OBJECTIVE The present study evaluated the restaurant and dining venues on and near post-secondary campuses varying in institution size. DESIGN The Nutrition Environment Measures Survey for Restaurants (NEMS-R) was modified to evaluate restaurants as fast food, sit down and fast casual; and campus dining venues as dining halls, student unions and snack(More)
PURPOSE To examine relationships of sleep, eating, and exercise behaviors; work time pressures; and sociodemographic characteristics by weight status (healthy weight [body mass index or BMI < 25] vs. overweight [BMI ≥ 25]) of young adults. DESIGN Cross-sectional. SETTING Nine U.S. universities. SUBJECTS Enrolled college students (N = 1252; 18-24(More)
OBJECTIVE To assess the effectiveness of a tailored theory-based, Web-delivered intervention (Young Adults Eating and Active for Health) developed using community-based participatory research process. DESIGN A 15-month (10-week intensive intervention with a 12-month follow-up) randomized, controlled trial delivered via Internet and e-mail. SETTING(More)
The purpose of the study described in this article was to assess the walkability and bikeability of 15 U.S. postsecondary education campuses. The Centers for Disease Control and Prevention's evidence-based Healthier Worksite Initiative Walkability Audit was modified to rate campus walking and biking path segments for path safety, quality, and comfort.(More)
OBJECTIVE To develop and test the validity of the Behavior, Environment, and Changeability Survey (BECS) for identifying the importance and changeability of nutrition, exercise, and stress management behavior and related aspects of the environment. DESIGN A cross-sectional, online survey of the BECS and selected validated instruments. SETTING Ten state(More)
OBJECTIVE To develop a tailored, theory-based, Web-delivered intervention to prevent excessive weight gain in young adults using a Community-Based Participatory Research model. DESIGN Investigators from 14 universities developed the intervention and supporting administrative portal using the 4 phases of the PRECEDE model. Steering committees were composed(More)
This study describes sleep behaviors of U.S. college students (N = 1,252; 18-24 years old; 59% female) and examines associations of sleep duration with weight-related behaviors. More than one quarter of participants slept < 7 hr/night and had mean Pittsburgh Sleep Quality Index (PSQI) scores indicating poor sleep quality. There were significant differences(More)
OBJECTIVE The study purpose was to identify clusters of weight-related behaviors by sex in a college student populations. METHODS We conducted secondary data analysis from online surveys and physical assessments collected in Project Young Adults Eating and Active for Health (YEAH) with a convenience sample of students on 13 college campuses in the United(More)
It is important to understand adult outcomes in childhood obesity prevention programs as parents and caregivers have a significant influence on the eating and physical activity habits of youth. Grounded in the social cognitive theory, the iCook 4-H study was centered on a dyad model (9-10 year-olds and their primary meal preparers) to teach healthy cooking(More)
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