Table 2 Prevalence of overweight/obesity and obesity according to current shift work and tertile of shift work duration
From: Association between shift work and obesity among female nurses: Korean Nurses’ Survey
Variables | Total | Current shift work | P-value | Tertile of shift work duration | Pfor trend | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
No | Yes | Tertile 1 | Tertile 2 | Tertile 3 | ||||||||||
(n = 9,989) | (n = 4,702) | (n = 5,287) | (n = 1,732) | (n = 1,731) | (n = 1,686) | |||||||||
BMI category | ||||||||||||||
< 23 kg/m2 | 8134 | (81.4) | 3578 | (76.1) | 4556 | (86.2) | <0.001 | 1593 | (92.0) | 1546 | (89.3) | 1300 | (77.1) | <0.001 |
≥ 23 kg/m2 a | 1855 | (18.6) | 1124 | (23.9) | 731 | (13.8) | 139 | (8.0) | 185 | (10.7) | 386 | (22.9) | ||
BMI category | ||||||||||||||
< 25 kg/m2 | 9253 | (92.6) | 4274 | (90.9) | 4979 | (94.2) | <0.001 | 1678 | (96.9) | 1647 | (95.1) | 1524 | (90.4) | <0.001 |
≥ 25 kg/m2 b | 736 | (7.4) | 428 | (9.1) | 308 | (5.8) | 54 | (3.1) | 84 | (4.9) | 162 | (9.6) | ||