Table 2.

Correlations among model variables.

	Correlations
	DERS2	DB2	PTS3	PTS1
DERS2	1.000
DB2	0.568*		1.000
PTS3	0.616**	0.288	1.000
PTS1	0.267#	0.385*	0.540**	1.000

Notes:

^#P < 0.10;

^*P < 0.05;

^**P < 0.01.