Table 1.

Associations between Generation Citizen (GC) and mental and physical health.

Main effects models	Model 1			Model 2
	Mental health			Physical health
Predictors	Estimates	CI	P	Estimates	CI	P
Fixed effects
(Intercept)	3.96	3.85, 4.06	<0.001	3.68	3.56, 3.79	<0.001
GC	0.02	−0.08, 0.12	0.657	0.15	0.06, 0.23	0.001
Random effects
Class random effect (SD)	0.128			0.150
Student in class random effect (SD)	0.722			0.746

Effect modification by civic self-efficacy	Model 3			Model 4
	Mental health			Physical health
Predictors	Estimates	CI	P	Estimates	CI	P
Fixed effects
(Intercept)	3.96	3.85, 4.07	<0.001	3.68	3.57, 3.78	<0.001
GC	0.02	−0.07, 0.12	0.640	0.15	0.06, 0.23	0.001
Civic self-efficacy (mean centered)	0.26	0.15, 0.37	<0.001	0.32	0.21, 0.43	<0.001
GC × civic self-efficacy (mean centered)	0.09	−0.04, 0.22	0.189	−0.10	−0.22, 0.02	0.104
Random effects
Class random effect (SD)	0.124			0.126
Student in class random effect (SD)	0.673			0.703

Effect modification by community contributions	Model 5			Model 6
	Mental health			Physical health
Predictors	Estimates	CI	P	Estimates	CI	P
Fixed effects
(Intercept)	3.96	3.84, 4.07	<0.001	3.68	3.57, 3.78	<0.001
GC	0.02	−0.08, 0.12	0.674	0.14	0.06, 0.23	0.002
Community contributions (mean centered)	0.16	0.06, 0.26	0.002	0.24	0.15, 0.34	<0.001
GC × community contributions (mean centered)	0.09	−0.03, 0.21	0.156	0.04	−0.07, 0.16	0.442
Random effects
Class random effect (SD)	0.159			0.126
Student in class random effect (SD)	0.681			0.676