Table 1

Descriptive Characteristics


TM Group
CTL Group




Pre-intervention Period
Intervention Period
Pre-intervention Period
Intervention Period
p value*

Age (years)
16.2 ± 1.3
16.7± 1.3
16.0 ± 1.4
16.6 ± 1.3
ns
Weight (kg)
81.4 ± 26.9
81.3 ± 26.2
83.2 ± 23.4
85.8 ± 24.2
ns
Height (cm)
171.1 ± 9.3
171.7 ± 9.4
171.3 ± 7.7
171.8 ± 7.8
ns
Body mass index (kg/m2)
27.4 ± 7.4
27.2 ± 7.2
28.5 ± 8.4
29.3 ± 8.8
ns
TV watched per week (hours)
34.3 ± 17.2
37.2 ± 21.3
36.1 ± 9.6
39.1 ± 18.7
ns

Values are means ± standard deviations. *P values are for group x time interactions. NS = not significant.

Barnes et al. Health and Quality of Life Outcomes 2003 1:10   doi:10.1186/1477-7525-1-10