Table 3.
Prevalence of metabolic syndrome and its subcomponents according to work schedule
| Permanent day workers (n=1905) |
Day shift workers (n=220) |
Night shift workers (n=134) |
Permanent night workers (n=42) | p-value | |
| Metabolic syndrome | |||||
| Men | 226 (23.6) | 9 (10.1) | 17 (19.3) | 12 (66.7) | <0.001 |
| Women | 101 (10.7) | 16 (12.2) | 8 (17.4) | 5 (20.8) | 0.225 |
| High BP | 826 (43.4) | 91 (41.4) | 64 (47.8) | 23 (54.8) | 0.313 |
| High glucose | 472 (24.8) | 50 (22.7) | 47 (35.1) | 16 (38.1) | 0.010 |
| High triglycerides | |||||
| Men | 243 (26.2) | 25 (29.1) | 18 (21.2) | 11 (61.1) | 0.006 |
| Women | 86 (9.5) | 16 (12.3) | 9 (19.6) | 3 (12.5) | 0.183 |
| Low HDL-cholesterol | 201 (10.9) | 19 (8.8) | 10 (7.6) | 9 (21.4) | 0.064 |
| Visceral obesity | |||||
| Men | 220 (23.7) | 16 (18.6) | 23 (26.7) | 11 (61.1) | 0.002 |
| Women | 302 (33.3) | 55 (42.3) | 21 (45.7) | 11 (45.8) | 0.051 |
Data are presented as n (%).
Where there was an interaction of outcome*sex, results are presented separately for men and women, otherwise for the whole cohort.
BP, blood pressure; HDL, high-density lipoprotein.