Table 1 Characteristics of the participating nurses
Variables | All (n = 20,996) n (%) | Clinical nurses (n = 17,152) n (%) | Nurse practitioners (n = 1438) n (%) | Head nurses (n = 2406) n (%) | p value |
|---|---|---|---|---|---|
Age (years) | |||||
  <  26 | 4093 (20.4) | 4062 (24.8) | 15 (1.1) | 16 (0.7) | <  0.001* |
 26–35 | 9107 (45.5) | 7832 (47.9) | 542 (39.6) | 733 (31.8) |  |
 36–45 | 5089 (25.4) | 3328 (20.4) | 704 (51.5) | 1057 (45.9) |  |
 46–55 | 1586 (7.9) | 1017 (6.2) | 102 (7.5) | 467 (20.3) |  |
  > 55 | 143 (0.7) | 108 (0.7) | 4 (0.3) | 31 (1.3) |  |
Gender | |||||
 Male | 412 (2.0) | 311 (1.9) | 65 (4.7) | 36 (1.6) | <  0.001* |
 Female | 19,883 (98.0) | 16,279 (98.1) | 1320 (95.3) | 2284 (98.4) |  |
BMI (kg/m2) | |||||
  <  18.5 | 2124 (11.9) | 1894 (12.9) | 91 (7.6) | 139 (6.8) | <  0.001* |
 18.5–23.9 | 11,077 (62.0) | 9058 (61.9) | 792 (65.7) | 1227 (60.2) |  |
  > 24 | 4678 (26.2) | 3684 (25.2) | 322 (26.7) | 672 (33.0) |  |
Marital status | |||||
 Never married | 10,796 (54.8) | 9672 (60.1) | 437 (32.3) | 687 (30.3) | <  0.001* |
 Married | 8390 (42.6) | 6048 (37.6) | 846 (62.6) | 1496 (66.0) |  |
 Divorced or widowed | 516 (2.6) | 365 (2.3) | 68 (5.0) | 83 (3.7) |  |
Work experience (years) | |||||
  <  5 | 6719 (35.5) | 6286 (40.9) | 303 (23.1) | 130 (5.7) | <  0.001* |
 5–9 | 328 (1.7) | 240 (1.6) | 24 (1.8) | 64 (2.8) |  |
 10–14 | 3045 (16.1) | 2206 (14.4) | 284 (21.7) | 555 (24.5) |  |
  > 15 | 8852 (46.7) | 6639 (43.2) | 698 (53.3) | 1515 (66.9) |  |
Work unit | |||||
 OPD | 2584 (12.3) | 2384 (13.9) | 31 (2.2) | 169 (7.0) | <  0.001* |
 ER/ICU | 4736 (22.6) | 3929 (22.9) | 269 (18.7) | 538 (22.4) |  |
 General ward | 8955 (42.7) | 7174 (41.8) | 692 (48.1) | 1089 (45.3) |  |
 OR/DR | 2428 (11.6) | 2114 (12.3) | 69 (4.8) | 245 (10.2) |  |
 Multiple units | 2293 (10.9) | 1551 (9.0) | 377 (26.2) | 365 (15.2) |  |
Weekly work hours | |||||
  ≤ 40 | 5260 (28.4) | 4538 (30.1) | 238 (18.9) | 484 (22.5) | <  0.001* |
 41–49 | 8060 (43.6) | 6622 (43.9) | 590 (46.9) | 848 (39.5) |  |
  > 50 | 5184 (28.0) | 3938 (26.1) | 431 (34.2) | 815 (38.0) |  |
Family-care needs | 9889 (47.1) | 8500 (49.6) | 507 (35.3) | 882 (36.7) | <  0.001* |
Any of the following | 1856 (9.5) | 1358 (8.5) | 163 (12.2) | 335 (14.8) | <  0.001* |
 Hyperlipidemia | 898 (4.6) | 674 (4.2) | 77 (5.8) | 147 (6.5) | <  0.001* |
 Hyperglycemia | 541 (2.8) | 429 (2.7) | 36 (2.7) | 76 (3.3) | 0.192 |
 Hypertension | 931 (4.8) | 644 (4.0) | 92 (6.9) | 195 (8.6) | <  0.001* |