Table 2.
Prevalence of metabolic syndrome by sleep duration stratified by gender
| Male | P | Female | P | |||
|---|---|---|---|---|---|---|
| Non-MetS | MetS | Non-MetS | MetS | |||
| Daily sleep duration (hours) | 0.12 | <0.001 | ||||
| <7 | 236 (72.6) | 89 (27.4) | 370 (63.8) | 210 (36.2) | ||
| 7-7.9 | 1048 (76.4) | 324 (23.6) | 1473 (66.3) | 749 (33.7) | ||
| 8-8.9 | 2652 (76.4) | 818 (23.6) | 2928 (62.5) | 1759 (37.5) | ||
| 9-9.9 | 2772 (77.0) | 827 (23.0) | 2380 (59.6) | 1613 (40.4) | ||
| ≥10 | 1942 (74.6) | 662 (25.4) | 1337 (57.3) | 995 (42.7) | ||
| Nighttime sleep duration (hours) | 0.19 | 0.005 | ||||
| <7 | 599 (73.0) | 222 (27.0) | 738 (64.3) | 410 (35.7) | ||
| 7-7.9 | 2346 (76.3) | 727 (23.7) | 2470 (63.1) | 1445 (36.9) | ||
| 8-8.9 | 3510 (76.4) | 1083 (23.6) | 3529 (60.4) | 2316 (39.6) | ||
| ≥9 | 2195 (76.1) | 688 (23.9) | 1751 (60.3) | 1155 (39.7) | ||
| Daytime napping duration (minutes) | 0.08 | <0.001 | ||||
| None | 2426 (77.6) | 700 (22.4) | 2996 (63.9) | 1690 (27.9) | ||
| <30 | 218 (74.9) | 73 (25.1) | 372 (72.1) | 144 (27.9) | ||
| 30-59 | 1281 (76.8) | 386 (23.2) | 1515 (17.8) | 922 (37.8) | ||
| 60-89 | 2625 (75.6) | 849 (24.4) | 2303 (27.1) | 1577 (40.6) | ||
| ≥90 | 2100 (74.7) | 712 (25.3) | 1302 (15.3) | 993 (43.3) | ||
Abbreviations: MetS metabolic syndrome.