Table 4.
Survival analyses for univariate and multivariate Cox regression models for the variables at the first admission from all causes of mortality
| Cohort (N = 4019) | Death (N = 803) | Crude | Model 1 | Model 2 | |
|---|---|---|---|---|---|
| N (%) | N (%) | HR (95% CI) | aHR (95% CI) | aHR (95% CI) | |
| Sex | |||||
| Women | 1818 (45.23) | 243 (30.26) | 1.00 | 1.00 | 1.00 |
| Men | 2201 (54.77) | 560 (69.74) | 2.01 (1.73; 2.34) | 1.95 (1.66; 2.28) | 1.62 (1.37; 1.92) |
| Age group | |||||
| < 20 years | 439 (10.92) | 20 (2.49) | 1.00 | 1.00 | 1.00 |
| 20–39 years | 1990 (49.52) | 245 (30.51) | 2.82 (1.79; 4.45) | 3.00 (1.87; 4.82) | 2.62 (1.65; 4.15) |
| 40–59 years | 1279 (31.82) | 334 (41.59) | 6.48 (4.13; 10.18) | 7.06 (4.40; 11.32) | 5.83 (3.67; 9.25) |
| ≥ 60 years | 311 (7.74) | 204 (25.41) | 21.10 (13.33; 33.41) | 21.90 (13.58; 35.33) | 21.47 (13.48; 34.17) |
| Occupational status | |||||
| Employed/homemaker/student | 1271 (31.62) | 245 (30.51) | 1.00 | 1.00 | 1.00 |
| Unemployed | 2748 (68.38) | 558 (69.49) | 1.04 (0.89; 1.21) | 1.20 (1.03; 1.41) | 1.22 (1.05; 1.43) |
| Marital status | |||||
| Single/divorced/widowed | 2606 (64.84) | 480 (59.78) | 1.00 | 1.00 | – |
| Married/partnered | 1413 (35.16) | 323 (40.22) | 1.29 (1.12; 1.49) | 0.97 (0.84; 1.13) | – |
| Hospital service | |||||
| Psychiatric hospital | 1089 (27.09) | 226 (28.15) | 1.00 | 1.00 | – |
| Emergency unit | 2092 (52.05) | 417 (51.93) | 1.00 (0.85; 1.17) | 1.19 (0.93; 1.54) | – |
| General hospital | 838 (20.86) | 160 (19.92) | 0.90 (0.74; 1.11) | 1.04 (0.84; 1.29) | – |
| Year of admission | |||||
| 2002 | 610 (15.18) | 157 (19.55) | 1.00 | 1.00 | – |
| 2003 | 629 (15.65) | 139 (17.31) | 0.88 (0.70; 1.10) | 0.82 (0.65; 1.03) | – |
| 2004 | 779 (19.39) | 154 (19.18) | 0.81 (0.65; 1.01) | 0.82 (0.65; 1.04) | – |
| 2005 | 709 (17.64) | 125 (15.57) | 0.78 (0.61; 0.99) | 0.75 (0.59; 0.96) | – |
| 2006 | 675 (16.79) | 118 (14.69) | 0.85 (0.66; 1.08) | 0.89 (0.69; 1.14) | - |
| 2007 | 617 (15.35) | 110 (13.70) | 0.93 (0.72; 1.19) | 1.04 (0.80; 1.35) | - |
| Length of stay | |||||
| 1–2 days | 1999 (49.75) | 366 (45.58) | 1.00 | 1.00 | - |
| 3–10 days | 1064 (26.47) | 240 (29.89) | 1.23 (1.04; 1.45) | 1.18 (0.99; 1.40) | - |
| 11–30 days | 652 (16.22) | 136 (16.94) | 1.09 (0.89; 1.33) | 1.06 (0.86; 1.32) | - |
| 31 days or more | 304 (7.56) | 61 (7.59) | 1.06 (0.81; 1.39) | 1.01 (0.76; 1.34) | - |
| Origin | |||||
| Other municipalities | 1850 (46.03) | 347 (43.21) | 1.00 | 1.00 | - |
| Ribeirão Preto | 2169 (53.97) | 456 (56.79) | 1.12 (0.97; 1.29) | 1.06 (0.91; 1.22) | - |
| Diagnosis (ICD-10) | |||||
| Mood disorders (F30–F39) | 1263 (31.43) | 166 (20.67) | 1.00 | 1.00 | 1.00 |
| Psychotic disorders (F20–F29) | 823 (20.48) | 133 (16.56) | 1.24 (0.98; 1.55) | 1.27 (1.01; 1.62) | 1.29 (1.02; 1.63) |
| Nonalcohol psychoactive substance use (F11–F19) | 319 (7.94) | 50 (6.23) | 1.26 (0.92; 1.73) | 1.98 (1.39; 2.82) | 1.79 (1.27; 2.53) |
| Alcohol-related disorders (F10) | 714 (17.76) | 270 (33.62) | 3.36 (2.77; 4.08) | 2.76 (2.21; 3.45) | 2.70 (2.17; 3.33) |
| Others mental disordersa | 900 (22.39) | 184 (22.92) | 1.62 (1.32; 2.00) | 1.78 (1.44; 2.22) | 1.70 (1.37; 2.10) |
HR hazard ratio; aHR adjusted hazard ratio; model 1 include sex, age, occupational status, marital status, hospital service, year of admission, length of stay, origin and diagnosis; model 2 include sex, age, occupational status and diagnosis; 95% CI 95% confidence interval; Bold significant values; ICD-10 International Classification of Diseases-10th revision
aOthers mental disorders = F00–F09 and F40–F99