Table 1:
Baseline Characteristics HOUSES Q1 (lowest SES) versus Q2-4
| Characteristic | Houses Q1 N=838(%) |
Houses Q2-Q4 N=2540(%) |
Total N=3378(%) |
p-value | ||
|---|---|---|---|---|---|---|
|
Age at ICU admission Median(IQR) |
60.5(47.0, 75.0) | 69(54, 80) | 67(52, 79) | <0.001† | ||
| Sex | <0.001‡ | |||||
| Female | 435(51.9%) | 1113(43.8%) | 1548(45.8%) | |||
| Male | 403(48.1%) | 1427(56.2%) | 1830(54.2%) | |||
| Race | <0.001‡ | |||||
| White | 687(82%) | 2345(92.3%) | 3032(89.8%) | |||
| Non-White | 151(18%) | 195(7.7%) | 346(10.2%) | |||
| English | <0.001‡ | |||||
| No | 77(9.2%) | 96(3.8%) | 173(5.1%) | |||
| Yes | 761(90.8%) | 2444(96.2%) | 3205(94.9%) | |||
| Education | <0.001‡ | |||||
| Missing | 49 | 47 | 96 | |||
| Some high school or less | 148 (18.8%) | 278 (11.2%) | 426 (13.0%) | |||
| High School Graduate | 266 (33.7%) | 829 (33.3%) | 1095 (33.4%) | |||
| Any College | 254 (32.2%) | 696 (27.9%) | 950 (28.9%) | |||
| College Graduate | 121 (15.3%) | 690 (27.7%) | 811 (24.7%) | |||
| Religion | <0.001‡ | |||||
| Christian | 609(72.7%) | 2116(83.3%) | 2725(80.7%) | |||
| Muslim | 45(5.4%) | 30(1.2%) | 75(2.2%) | |||
| Jewish | 5(0.6%) | 13(0.5%) | 18(0.5%) | |||
| Other (Atheist, Hindu, Agnostic, Sikhism,) | 5(0.6%) | 12(0.5%) | 17(0.5%) | |||
| Chose not to disclose | 27(3.2%) | 64(2.5%) | 91(2.7%) | |||
| No affiliation | 147(17.5%) | 305(12%) | 452(13.4%) | |||
| Advance Directive at ICU admission | 240(28.6%) | 1046(41.2%) | 1286(38.1%) | <0.001‡ | ||
| APACHE | 33(23, 47) | 38(25, 51) | 37(24, 50) | <0.001† | ||
| Charlson Co-morbidity Score | 5(2, 8) | 5(3, 8) | 5(3, 8) | 0.06† | ||
| HOUSES (Z-score) | −4.0 (−4.4, −3.4) | 0.8 (−0.8, 2.4) | −0.3 (−2.4, 1.6) | <0.001† | ||
| Reason for admission to ICU | <50 | ≥50 | <50 | ≥ 50 | ||
| Medical diagnosis | 134(53) | 469(81) | 313(60) | 1638(82) | ||
| Poisoning | 83(33) | 26(5) | 113(22) | 17(1) | 0.001 | |
| Surgical diagnosis | 14(6) | 32(6) | 34(7) | 127(6) | ||
| Trauma | 23(9) | 53(9) | 62(12) | 220(11) | ||
| Missing | 3 | 9 | 7 | 24 | ||
†
Wilcoxon Rank-Sum
‡
Chi-square
Numbers indicate N (%) unless otherwise noted
IQR=interquartile range