Table 3.

Pearson’s correlation coefficients between variables P_C, P_E, C_C and C_E

	P C	P E	C E	C C
PiCi (107)
PC		0.008	0.057	0.329
PE			0.965	0.412
CE				0.407
CC
P1C1 (42)
PC		0.151	0.122	0.195
PE			0.968	0.661
CE				0.765
CC
P1C1 + P2C1 (55)
PC		0.167	0.123	0.231
PE			0.964	0.628
CE				0.694
CC
P1C1 + P1C2 (69)
PC		0.222	0.198	0.264
PE			0.97	0.682
CE				0.773
CC
PiCi − P2C2 (83)
PC		0.195	0.158	0.27
PE			0.964	0.648
CE				0.708
CC