TABLE 7.

MANOVA of predictors of MMR factor scores with non-significant predictors excluded.

Effect	Pillai’s trace	F	Error df	p	${\mathrm{\eta }}_{\text{p}}^2$	Observed power
Substance Use	0.090	3.161	223	0.003**	0.090	0.946
Positive Outlook	0.115	4.120	223	<0.001**	0.115	0.987
Age	0.088	3.060	223	0.004**	0.088	0.938

Z standardised values were used in this analysis. **p < 0.01. N = 233.