Trends in television time, non-gaming PC use and moderate-to-vigorous physical activity among German adolescents 2002–2010

Table 4 Change in regression coefficients for MVPA, television viewing and non-gaming PC use screen time behaviours over time compared to 2002 in boys adjusting for covariates

Boys	MVPA (beta, SE, p-value)	PA guideline	TV min per weekday	TV min per weekend day	PC min per weekday	PC min per weekend day
Survey year	Sig.
2002	Reference	Reference	Reference	Reference	Reference	Reference
2006	.382, .09, <.001	.330, .075, <.001	-.118, .047, <.05	.064, .056, >.05	-.014, .166, >.05	.065, .199, >.05
2010	.51, ,10, <0.001	.376, .082, <.001	-.240, .049, <.001	-.017, .062, >.05	.547, .208, <.01	.889, .247, <.001
FAS ^a	.087, .016, <.001	-.022, .022, >.05	-.136, .014, <.001	-.119, .018, <.001	.108, .019, <.001	.172, .024, <.001
AGE
11	Reference	Reference	Reference	Reference	Reference	Reference
13	-.138, .091, >.05	-.314, .076, <.001	.511, .050, <.001	.638, .060, <.001	.530, .066, <.001	.798, .083, <.001
15	-.253, 0,92 < .01	-.589, .076, <.001	.561, .051, <.001	.659, .063, <.001	.698, .072, <.001	1,029, .096, <.001
Survey year X FAS ^a	n.s.	n.s.	n.s.	n.s.	<.05	<.05
Survey year X Age	<.05	n.s.	n.s	n.s.	<.05	<.05