Research Article
Morning Cortisol Levels and Perceived Stress in Irregular Shift Workers Compared with Regular Daytime Workers
Table 1
Characteristics of media workers with or without irregular shift work.
| | IRW () | RDW () | value* |
| Mean (SD): | | | | Age, years | 39.2 (10) | 43.6 (10) | <0.05 | Body mass index | 24.4 (3.2) | 24.5 (4.7) | NS | Actual sleeping time, hours | 5.9 (1) | 6.6 (0.7) | <0.01 | Men | 47% () | 48% () | NS | Alcohol consumption (over 10 alcohol equivalent units/week) | 22% | 20% | NS | Single, divorced, or widowed | 38% | 52% | NS | Perceived severe stress | 12% | 9% | NS |
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*Statistics: Student’s t-test for group means and chi square test for proportions.
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