Table 1 Baseline characteristics of ICU patients’ spouses and matched individuals
Characteristics | ICU patients’ spouses (n = 8490) | Matched individuals (n = 33,946) | P value |
|---|---|---|---|
Age, years, mean (SD) | 53.8 (9.9) | 53.8 (9.9) | 0.98 |
Male | 2996 (35.3) | 11,981 (35.3) | 0.99 |
Medical insurance | 0.98 | ||
Independents | 3108 (36.7) | 12,421 (36.6) | |
Dependents | 5382 (63.4) | 21,525 (63.4) | |
History of sleep disorders | 827 (9.7) | 2883 (8.5) | < 0.001 |
History of mood disorders | 370 (4.4) | 1275 (3.8) | 0.01 |
History of anxiety disorders | 279 (3.3) | 1039 (3.1) | 0.28 |
Charlson comorbidity index | 0.46 | ||
0 | 5336 (62.9) | 21,599 (63.6) | |
1 | 1250 (14.7) | 5028 (14.8) | |
2 | 860 (10.1) | 3341 (9.8) | |
3 | 468 (5.5) | 1829 (5.4) | |
≥ 4 | 576 (6.8) | 2149 (6.3) | |
Withdrew insurance within 6 months | 1774 (20.9) | 5183 (15.3) | < 0.001 |