Peter J. Hannan

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BACKGROUND This randomized controlled trial assessed the safety and effects of twice-weekly weight training among recent breast cancer survivors. Outcomes included body size and biomarkers hypothesized to link exercise and breast cancer risk. METHODS A convenience sample of 85 recent survivors was randomized into immediate and delayed treatment groups.(More)
BACKGROUND This study tests the feasibility of an innovative school-based program for obesity prevention among adolescent girls. New Moves was implemented as a multicomponent, girls-only, high-school physical education class. METHODS Six schools were equally randomized into intervention and control conditions. Data were collected at baseline,(More)
PURPOSE We consider the issue of summarizing accelerometer activity count data accumulated over multiple days when the time interval in which the monitor is worn is not uniform for every subject on every day. The fact that counts are not being recorded during periods in which the monitor is not worn means that many common estimators of daily physical(More)
OBJECTIVE There is little epidemiologic research on longitudinal and secular trends in weight-related health behaviors throughout the stages of adolescence. In particular, few data are available to assess secular trends in various sedentary behaviors. The objective of this research was to investigate longitudinal and secular trends in physical activity and(More)
BACKGROUND Weight-related problems are prevalent in adolescent girls. PURPOSE To evaluate New Moves, a school-based program aimed at preventing weight-related problems in adolescent girls. DESIGN School-based group-randomized controlled design. SETTING/PARTICIPANTS 356 girls (mean age=15.8±1.2 years) from six intervention and six control high schools.(More)
OBJECTIVE To examine family meal patterns and associations with sociodemographic characteristics and dietary intake in adolescents. DESIGN A population-based cross-sectional study design was employed. Adolescents completed the Project EAT (Eating Among Teens) survey and the Youth and Adolescent Food Frequency Questionnaire within their schools.(More)
PURPOSE Obtaining stature, weight, and body mass index (BMI) from self-reports rather than by direct measurements is highly attractive economically and logistically, but there are few data available for adolescents that allow evaluation of potential sources of reporting bias. Because self-reports are based on self perceptions, personal characteristics of(More)
OBJECTIVE The results of an 18-month worksite intervention to prevent obesity among metropolitan transit workers are reported. METHODS Four garages in a major metropolitan area were randomized to intervention or control groups. Data were collected during the fall of 2005 prior to the start of the intervention and during the fall of 2007, after the(More)
OBJECTIVE The purpose of this study was to determine whether implementation of a multicomponent organizational intervention can produce significant change in diabetes care and outcomes in community primary care practices. RESEARCH DESIGN AND METHODS This was a group-randomized, controlled clinical trial evaluating the practical effectiveness of a(More)
OBJECTIVE To determine the prevalence of adolescent dating violence, associations between dating violence and behavioral and mental health, and the percentage of youth who remain in potentially harmful relationships due to a fear of being hurt if they leave. METHODS A nationally representative population-based sample of 3533 youth in 9th through 12th(More)