Physical activity and active commuting to elementary school.

Purpose: This study was conducted to determine if fifth-grade students who walked or bicycled to school on a regular basis were more physically active than those that did not.

Methods: The sample consists of 219 fifth-grade students (10.3 +/- 0.

TV viewing habits and body mass index among South Carolina Head Start children.

The present study tested the hypothesis that TV viewing habits and overweight would be associated among 4-year-old children. A convenience sample of Head Start students was enrolled (N=148). Parents were asked to complete a questionnaire on their children's TV viewing habits for a typical weekday, and for Saturday and Sunday.