Table 2.

Factors associated with sport participation among adolescent girls by data source.

Factor Categories/Study Variables	Total number of Data Sources	Data Source (Study Number Reported in Table 1)
Personal Factors Enjoyment Skill development Fitness Competition Athletic competence Physical self concept Personal satisfaction Social competence Self esteem Self perception Self determination Self worth Perceived health Perceived conflict between study and sport Dieting Substance use Personal investment Mental health Challenge Breast-related concerns	19	2, 14, 15, 30 15, 16, 21, 30 16, 21, 30 15, 21 3, 31 8, 10 17, 25 4 6 7 17 23 25 17 25 25 12 34 21 28
Family Factors Family support Parental exercise Traditional family structure Parent encouragement Sport involvement of father Parent influence Parent worries/concerns Perceived family wealth Parent education level Parent immigration status Parent employment	12	1, 7, 12, 27 5, 29, 33 24, 25 7, 32 7 18 19 24 25 33 33
Biological/Physiological Factors Age Maximum oxygen uptake Shorter height BMI Breastfed as infant Previous injury	9	7, 9, 13, 25, 33, 35, 36 7 19 34 19 18
Peer Factors Friendship Peer support Peer acceptance Peer encouragement Teammate acceptance Being on a team	9	16, 23, 30 1, 7 6 7 14 15
Socioeconomic Factor Socioeconomic status	6	11, 12, 14, 20, 22, 27
Resources/Environmental Factors Private equipment Access to facilities Co-ed physical education Involvement opportunities Sport club membership Town of residence	6	7 12 13 14 25 33
Sport/Coach Factors Coach/teacher influence Verbal abuse from coach Type of sport played Frequency of participation in games	4	18 34 26 34