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 |