[Comparison of physical activity and favourite ways of spending free time in preschool girls and boys from the Mazowsze region].

The aim of this study was to compare physical activity of preschool girls and boys from the Mazowsze region and their favourite ways of spending free time. The studied population included 131 children aged 3 to 7 years. Parents filled in questionnaires about their children's physical activity and favourite ways of spending free time, as well as about general information on the children and their families.