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Table 3 Descriptive statistics for the PHQ-15

From: Validation of the Chinese version of the PHQ-15 in a tertiary hospital

Item Mean score (SD) Frequency of score 0 (%) Frequency of score 1 (%) Frequency of score 2 (%) Part-hole corrected item-to-scale correlation
1 0.37 (0.59) 917 (69.0 %) 336 (25.3 %) 76 (5.7 %) 0.489
2 0.53 (0.64) 733 (55.2 %) 488 (36.7 %) 108 (8.1 %) 0.505
3 0.60 (0.70) 703 (52.9 %) 458 (34.5 %) 168 (12.6 %) 0.396
4 0.10 (0.35) 1211 (91.1 %) 99 (7.4 %) 19 (1.4 %) 0.146
5 0.39 (0.57) 869 (65.4 %9 400 (30.1 %) 60 (4.5 %) 0.488
6 0.41 (0.59) 850 (64.0 %) 409 (30.8 %) 70 (5.3 %) 0.501
7 0.48 (0.59) 758 (57.0 %) 509 (38.3 %) 62 (4.7 %) 0.508
8 0.20 (0.48) 1109 (83.4 %) 175 (13.2 %) 45 (3.4 %) 0.380
9 0.44 (0.59) 815 (61.3 %) 444 (33.4 %) 70 (5.3 %) 0.526
10 0.40 (0.62) 891 (67.0 %) 342(25.7 %) 96 (7.2 %) 0.487
11 0.21 (0.48) 1099 (82.7 %) 184 (13.8 %) 46 (3.5 %) 0.318
12 0.60 (0.67) 672 (50.6 %) 522 (39.3 %) 135 (10.2 %) 0.435
13 0.58 (0.65) 685 (51.5 %) 522 (39.3 %) 122 (9.2 %) 0.517
14 0.77 (0.66) 479 (36.0 %) 675 (50.8 %) 175 (13.2 %) 0.556
15 0.72 (0.72) 578 (43.5 %) 542 (40.8 %) 209 (15.7 %) 0.489