Table 15.

Correlation coefficients.

Variable	1	2	3	4	5	6	7
PU	1
PR	0.217***	1
PC	−0.067	0.119*	1
CC	0.101	0.296***	0.038	1
PV	0.366***	0.329***	−0.148*	0.186**	1
CSC	0.034	−0.034	−0.003	0.068	−0.043	1
CMI	−0.189**	−0.172**	0.241***	−0.178**	−0.251***	0.075	1

N = 292.

^*P < 0.05.

^**P < 0.01.

^***P < 0.001.