Research Article

Genetic and Environmental Influences on the Allocation of Adolescent Leisure Time Activities

Table 2

Factor loadings of residualized leisure time activity hours on principal components.

Leisure time itemsPC1PC2PC3PC4PC5

Taking part in an organized sport or recreation program?0.72−0.050.23−0.13−0.10
Working out as part of a personal exercise program0.540.260.080.10−0.14
Playing pickup games like basketball, touch football, and so forth?0.730.13−0.040.160.07
Practicing different physical activities?0.760.090.200.080.05
Going out with friends or dating?0.160.800.04−0.02−0.06
Sitting around with friends?0.080.760.12−0.10−0.02
Talking on the telephone?0.120.64−0.080.120.14
Doing your schoolwork?0.150.010.48−0.11−0.22
Reading for fun?−0.18−0.010.580.30−0.08
Doing things with a club?0.17−0.040.59−0.08−0.01
Spending time on a hobby?0.150.190.580.130.17
Doing things with your family?0.250.020.400.380.11
Taking care of younger family members?0.02−0.04−0.070.77−0.06
Doing household chores?0.120.110.140.720.08
Total hours watching television weekday plus weekend0.07−0.01−0.09−0.020.74
Just sitting around doing nothing?−0.110.080.020.010.73
Just sitting and listening to music?−0.070.480.060.200.42

Note: PC: principal component.