Abstract
Objective To evaluate the convergent validity of the PAQ-A for assessing physical activity (PA) in overweight (including obese) adolescents. Material and method Two hundred and three Spanish adolescents (96 females), aged 13–17 years, were selected for this study. Levels of PA were self-reported by 3-day activity diary, activity rating and PAQ-A. Adolescents wore the ActiGraph accelerometer for 7 days. Overweight was classified according to International Obesity Task Force age- and sex-specific body mass index cut offs. Results Fifty-four (33 male and 21 female) adolescents (27%) were classified as overweight or obese. The PAQ-A was moderately related in the overweight adolescent group to an activity rating ( ρ=0.52), total PA and moderate-to-vigorous PA assessed by activity monitor ( ρ=0.52 and 0.43) and total PA and moderate-to-vigorous PA assessed by activity diary ( ρ=0.32 and 0.47). There were no significant differences in the correlation coefficients between non-overweight and overweight adolescents. Conclusion The PAQ-A shows a reasonable validity for assessing PA in Spanish overweight adolescents.
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