Table 1 Comparison of subjects treated concomitant with or without an antipsychotic
Factors | Total sample (n = 1503) | With AP (n = 334) | Without AP (n = 1169) | t/χ2 | P |
|---|---|---|---|---|---|
Age (year) (%) | |||||
 Early adult (age 18–44) | 834(55.5) | 179 (53.6) | 655 (56.0) | 0.294 | 0.524 |
 Middle adult (age 45–59) | 424(28.2) | 94 (28.1) | 330 (28.2) |  |  |
 Late adult (age ≥ 60) | 245(16.3) | 61 (18.3) | 184 (15.7) |  |  |
Gender female (%) | 944(62.8) | 212 (63.5) | 732 (62.6) | 0.081 | 0.775 |
First-episode patient (%) | 982(65.3) | 205 (61.4) | 777 (66.5) | 0.972 | 0.085 |
Service setting (%) | |||||
 Psychiatric | 730(48.6) | 111 (33.2) | 619 (53.0) | 40.433 | < 0.001 |
 General medical | 773(51.4) | 223 (66.8) | 550 (47.0) |  |  |
Comorbidity of physical illness (%) | 319 (21.2) | 99 (29.6) | 220 (18.8) | 18.194 | < 0.001 |
Family history (%) | 157 (10.5) | 38 (11.4) | 119(10.2) | 0.398 | 0.528 |
QIDS-SR total score (%) | |||||
 0–5 | 770(51.2) | 168 (50.3) | 602 (51.5) | 12.718 | 0.002 |
 6–10 | 477(31.7) | 89 (26.6) | 388 (33.2) |  |  |
 ≥ 11 | 256(17.0) | 77 (23.1) | 179 (15.3) |  |  |
PHQ-15 total score (%) | |||||
 0–5 | 921(61.3) | 228 (68.3) | 693 (59.3) | 10.817 | < 0.005 |
 6–10 | 414(27.5) | 69 (20.7) | 345 (29.5) |  |  |
 ≥ 11 | 168(11.2) | 37 (11.1) | 131 (11.2) |  |  |
SDS total score (%) | |||||
 0–5 | 771 (51.3) | 164 (49.1) | 607 (51.9) | 42.147 | < 0.001 |
 6–10 | 358 (23.8) | 47 (14.1) | 311 (26.6) |  |  |
 > =11 | 374 (34.9) | 123 (36.8) | 251 (21.5) |  |  |