title: Hop, skip... no! Explaining adolescent girls' disinclination for physical activity.
abstract: OBJECTIVE
  This study aimed to develop and validate the Girls' Disinclination for Physical Activity Scale (G-DAS)and implement the scale along with an objective measure of physical activity (PA) in a longitudinal sample of adolescent girls.
  
  
  METHODS
  Participants were non-Hispanic White girls who were assessed at ages 13 years (n=151) and 15 years (n=98). Girls completed the G-DAS and the Physical Activity Enjoyment Scale and wore an accelerometer for 7 days.
  
  
  RESULTS
  Results supported a five-factor solution for the GDAS;factors represented reasons for disliking PA including low perceived competence, lack of opportunities, high perceived exertion, concern about physical appearance,and threats to girls' gender identity. Data supported the reliability and validity of the G-DAS. Low perceived competence was the most common reason girls reported disliking PA and predicted a decreased likelihood of maintaining sufficient PA across ages 13 to 15 years.
  
  
  CONCLUSIONS
  Developing PA-related skills prior to adolescence may reduce declines in adolescent girls' PA.
authors.affiliation: Department of Health Policy, University at Albany, Rensselaer, NY 12144, USA. kdavison@albany.edu
authors.forename: Kirsten Krahnstoever
authors.initials: KK
authors.lastname: Davison
authors.forename: Dorothy L
authors.initials: DL
authors.lastname: Schmalz
authors.forename: Danielle Symons
authors.initials: DS
authors.lastname: Downs
mesh_terms: D000293:Adolescent; D041923:Adolescent Development; D001294:Attitude to Health; D015992:Body Mass Index; D015444:Exercise / Q000502:physiology / Q000523:psychology; D005260:Female; D006801:Humans; D009043:Motor Activity; D011581:Psychological Tests / Q000592:standards; D000297:Psychology, Adolescent; D011627:Puberty / Q000502:physiology / Q000523:psychology; D015203:Reproducibility of Results
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