BACKGROUND This study evaluated the feasibility and preliminary efficacy of a church-based intervention to promote physical activity (PA) in children. METHODS The study was conducted in 4 churches located in 2 large metropolitan areas and 2 regional towns in Kansas. Churches in the intervention condition implemented the "Shining Like Stars" physical activity curriculum module during their reg...

Background: Ciclovias, known in the U.S. as open streets initiatives, close streets to vehicles to increase open space and physical activity opportunities for local communities. In San Francisco, California, the open streets initiative known as Sunday Streets, was founded in 2008 to promote bicycle use in neighborhoods most underserved for recreational resources and experiencing higher than ave...

BACKGROUND In this study, we primarily investigated whether ICU admission or ICU stay at weekends (Saturday and Sunday) is associated with a different risk of ICU mortality or chance of ICU discharge than ICU admission or ICU stay on weekdays (Monday to Friday). Secondarily, we analysed whether weekend ICU admission or ICU stay influences risk of hospital mortality or chance of hospital dischar...

Lifestyle factors such as smoking have been shown to influence urinary mutagenicity. Therefore, these factors have to be considered carefully when evaluating occupational genotoxic exposures. We investigated day-to-day variability in active and passive tobacco smoke exposure by studying urinary cotinine levels and determined their influence on observed urinary mutagenicity. Urinary cotinine was...

OBJECTIVE This study was conducted to determine whether early initiation of combined hormonal contraception under direct clinical observation following successful medical abortion increases continuation rates with the method compared to traditional "Sunday start." STUDY DESIGN Women enrolled in a multicenter medical abortion trial with mifepristone and misoprostol who requested combined hormo...

STUDY OBJECTIVES This study was designed to test the hypotheses that a delayed weekend sleep pattern may lead to a phase delay of the endogenous circadian rhythm, and that melatonin administration can counteract the phase delay and prevent the sleep and functional impairments associated with this sleep pattern. DESIGN A within-subject, counterbalanced design was used in which each subject par...