School-level intraclass correlation for physical activity in sixth grade girls

Article Abstract:

A study reports the school-level interclass correlation (ICC) for moderate to vigorous physical activity (MVPA) from the Trial for Activity in Adolescent Girls (TAAG) baseline survey of sixth grade girls and describes the relationship between the schedule of data collection and the ICC. The school-level ICC is higher when estimated from a single wave compared with three waves and across weekdays compared with weekend days.

Health aspects, Teenage girls, Exercise

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Change in the prevalence of leisure activity with the number of activities recalled

Article Abstract:

A study was conducted to understand how the prevalence estimates of leisure activity change with the number of activities on which the information is collected. The study suggested that collecting information on two leisure activities appeared to be the most efficient balance for accuracy of recommended activity and also for specific types of leisure activities.

General services, Science & research, Data Processing Services, Data processing and preparation, General Database Management Services, Research, Company systems management, Information management, Sports, Database management services, Prevalence studies (Epidemiology)

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