Table 3.

Item-total correlation coefficients of the Chinese version of HLS-SF12

Scale question items	After the deletion of the item Scale Mean	After the deletion of the item standard deviation	Amended item Relevance to total	Cronbach’s Alpha after removal of terms
A1	33.70	30.82	0.70	0.94
A2	33.63	30.55	0.76	0.93
A3	33.80	30.51	0.71	0.94
A4	33.55	31.18	0.70	0.94
B1	33.75	30.82	0.72	0.94
B2	33.58	30.97	0.75	0.94
B3	33.66	30.59	0.75	0.94
B4	33.58	31.06	0.77	0.93
C1	33.62	31.04	0.74	0.94
C2	33.61	30.67	0.77	0.93
C3	33.55	31.31	0.74	0.94
C4	33.71	30.91	0.67	0.94