Figure 1From: Tracking of TV and video gaming during childhood: Iowa Bone Development StudyPercentages of children in TV and VG categories at each age. Boys (age 5: n = 205; age 8: n = 193; age 11: n = 171; age 13: n = 168). Girls (age 5: n = 229; age 8: n = 222; age 11: n = 211; age 13: n = 189).Back to article page