Table 3.

Corrected item-total correlation (significance) and α if an item is eliminated

	Corrected item-total correlation (significance)	α if item deleted
P1	0.196 (p < 0.001)	0.65
P2	0.358 (p < 0.001)	0.63
P3a	0.304 (p < 0.001)	0.64
P3b	0.376 (p < 0.001)	0.63
P4	0.282 (p < 0.001)	0.64
P5a	0.361 (p < 0.001)	0.63
P5b	0.227 (p < 0.001)	0.65
P6	0.143 (p < 0.01)	0.66
P7	0.201 (p < 0.001)	0.65
P8	0.423 (p < 0.001)	0.62
P9a	0.399 (p < 0.001)	0.62
P9b	0.393 (p < 0.001)	0.64
P10	0.187 (p < 0.001)	0.65
P11a	0.138 (p < 0.01)	0.66
P11b	0.153 (p < 0.01)	0.66