Table 3 Baseline characteristics
Variable | Overall, N = 8071 | train N = 6461 | test N = 1611 | p-value2 |
|---|---|---|---|---|
Frequency of hospitalization | 2 (1, 4) | 2 (1, 4) | 2(1, 4) | > 0.900 |
Working condition | Â | Â | Â | 0.500 |
incumbent | 4 (0.50%) | 4 (0.60%) | 0 (0%) | Â |
retirement | 698 (86%) | 553 (86%) | 145 (90%) | Â |
unemployment | 5 (0.60%) | 5 (0.80%) | 0 (0%) | Â |
liberal profession | 100 (12%) | 84 (13%) | 16 (9.90%) | Â |
Per capita monthly household income | Â | Â | Â | 0.800 |
Less than 1500Â¥ | 60 (7.40%) | 51 (7.90%) | 9 (5.60%) | Â |
1500–2900¥ | 44 (5.50%) | 35 (5.40%) | 9 (5.60%) |  |
3000–5000¥ | 267 (33%) | 215 (33%) | 52 (32%) |  |
More than 5000Â¥ | 436 (54%) | 345 (53%) | 91 (57%) | Â |
Comorbidity |  |  |  | > 0.900 |
Less than 2 kinds of diseases | 367 (45%) | 295 (46%) | 72 (45%) | Â |
2–3 kinds of diseases | 369 (46%) | 294 (46%) | 75 (47%) |  |
Greater or equal to 4 kinds of diseases | 71 (8.80%) | 57 (8.80%) | 14 (8.70%) | Â |
PSS-Fa | 11 (10, 11) | 11 (10, 11) | 11 (10, 11) | 0.500 |
PHQ-8 | 3 (1.00, 6.50) | 3 (1.00, 7.00) | 3 (1.00, 6.00) | 0.700 |
AIS | 8 (4, 10) | 8(4, 10) | 6 (4, 10) | 0.150 |