Motivation and planning as mediators of the relation between social support and physical activity among U.S. adolescents: a nationally representative study

Table 2 Standardized total, direct and indirect effects between latent variables

Path	Standardized estimate	Standard error
PA planning to PA
Total	0.17^**	0.07
Total indirect	0	0
Direct	0.17^**	0.07
Internal Motivation (IM) to PA
Total	0.60^***	0.06
Total indirect	0.10^**	0.04
Direct	0.50^***	0.05
IM – planning – PA	0.10^**	0.04
Internal Motivation (IM) to PA planning
Total	0.55^***	0.05
Total indirect	0	0
Direct	0.55^***	0.05
External Motivation (EM) to PA
Total	0.15^**	0.06
Total indirect	0.24^***	0.05
Direct	-0.09	0.06
EM – planning – PA	0.003	0.01
EM – IM – PA	0.20^***	0.04
EM – IM – planning – PA	0.04^*	0.02
External Motivation (EM) to PA planning
Total	0.24^***	0.05
Total indirect	0.22^***	0.04
Direct	0.02	0.05
EM – IM – planning	0.22^***	0.04
Peer PA to PA
Total	0.44^***	0.04
Total indirect	0.23^***	0.04
Direct	0.21^***	0.04
Peer PA – IM – PA	0.15^***	0.03
Peer PA – planning – PA	0.02^*	0.01
Peer PA – EM – planning – PA	<0.001	0.001
Peer PA – EM – IM – PA	0.03^***	0.01
Peer PA – EM – IM – planning - PA	0.01^*	0.003
Parental support (PS) to PA
Total	0.13^***	0.04
Total indirect	0.15^***	0.03
Direct	-0.02	0.04
PS – IM – PA	0.08^***	0.02
PS – IM – planning – PA	0.01^**	0.01
PS – planning – PA	0.01	0.01
PS – EM –PA	-0.03	0.02
PS – EM – planning – PA	0.001	0.003
PS – EM – IM – PA	0.06^***	0.02
PS – EM – IM – planning – PA	0.01	0.01

ISSN: 1479-5868