Table 3.
Odds ratios (and 95% CIs) for reporting short and long sleep duration young (n = 4650) and mid-aged (n = 3185) women in the ALSWH.
| Young Cohort | Mid-Aged Cohort | |||||||
|---|---|---|---|---|---|---|---|---|
| Work Day | Non-Work Day | Work Day | Non-Work Day | |||||
| Shorter Sleep | Longer Sleep | Shorter Sleep | Longer Sleep | Shorter Sleep | Longer Sleep | Shorter Sleep | Longer Sleep | |
| ≤6 h/Night (n = 289) | ≥8 h/Night (n = 578) | ≤6 h/Night (n = 128) | ≥8 h/Night (n = 1671) | ≤6h/Night (n = 322) | ≥8 h/Night (n = 297) | ≤6 h/Night (n = 184) | ≥8 h/Night (n = 715) | |
| Occupational category | ||||||||
| Manager/professional | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
| Clerical/sales | 0.98 (0.71, 1.34) | 1.32 (1.06, 1.64) | 1.11 (0.71, 1.76) | 1.22 (1.04, 1.43) | 1.03 (0.77, 1.39) | 0.71 (0.52, 0.98) | 1.18 (0.81, 1.73) | 0.97 (0.79, 1.20) |
| Trades/production/labourer | 1.38 (0.86, 2.22) | 1.12 (0.75, 1.67) | 1.31 (0.63, 2.72) | 1.20 (0.90, 1.60) | 1.04 (0.68, 1.59) | 0.76 (0.48, 1.20) | 1.07 (0.62, 1.85) | 0.99(0.72, 1.36) |
| Work hours | ||||||||
| Part-time | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
| Full-time | 1.01 (0.74, 1.38) | 0.76 (0.60, 0.95) | 1.21 (0.77, 1.89) | 1.21 (1.02, 1.43) | 1.10 (0.86, 1.41) | 0.63 (0.48, 0.82) | 0.81 (0.58, 1.12) | 1.21 (1.01, 1.44) |
| Work pattern regularity | ||||||||
| Regular hours | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
| Shift or night worker | 1.94 (1.46, 2.58) ** | 0.77 (0.59, 1.01) | 1.01 (0.61, 1.68) | 0.88 (0.74, 1.05) | 2.03 (1.51, 2.71) * | 0.60 (0.39, 0.93) | 0.88 (0.55, 1.41) | 0.88 (0.68, 1.13) |
Analyses adjusted for BMI, children (young cohort), marital status, area of residence, education, smoking, alcohol intake, self-rated health and other work categories. Shorter sleep compared to >6 h/night, longer sleep compared to <8 h/night. *: p < 0.01; **: p < 0.001; CI: confidence interval; Ref: reference category.