TABLE 4.

Summary of γ Test for VERB Dose–Response Outcomes Among Children Who Matured as the Campaign Progressed (Cohort 1): 2004–2006

	Aged 11–15 Years in 2004	Aged 12–16 Years in 2005	Aged 13–17 Years in 2006
Outcome expectations scale, mean (95% CI)	0.12* (0.07, 0.17)	0.16* (0.10, 0.22)	0.13* (0.04, 0.23)
Self-efficacy scale, mean (95% CI)	0.10* (0.06, 0.15)	0.10* (0.05, 0.14)	0.03 (−0.05, 0.11)
Social influences scale, mean (95% CI)	0.10* (0.1, 0.1)	0.11* (0.06, 0.17)	0.04 (−0.05, 0.13)
No. weekly sessions of free-time physical activity, median (95% CI)	0.09* (0.0, 0.1)	0.06* (0.00, 0.12)	0.16* (0.07, 0.24)
Organized physical activity,a % (95% CI)	0.02 (−0.05, 0.09)	0.03 (−0.1, 0.1)	0.09 (−0.0, 0.2)
Previous day physical activity,b % (95% CI)	0.19* (0.1, 0.3)	0.12* (0.0, 0.2)	0.15 (−0.0, 0.3)

Note. CI = confidence interval. The year 2003 was excluded because the exposure measure was different than that used in 2004 to 2006.

^aPercentage who engaged in any organized physical activity in the 7 days before the interview.

^bPercentage who engaged in any physical activity on the day before the interview.

*P < .05, for trends tested with γ statistic.