Table 3 Associations between postmenopausal hormone therapy (HT) and categorized sleep parameters.
From: Postmenopausal hormones and sleep quality in the elderly: a population based study
| Â | Â | HT use | ||
|---|---|---|---|---|
Parameter | Â | Current | Past | Never |
| Â | Â | (N = 424) | (N = 1,289) | (N = 1,410) |
Total sleep time | <6 hoursa | 1.00 (Ref.) | 0.99 (0.85 - 1.15) | 1.14 (0.85 - 1.53) |
| Â | >8 hoursa | 1.00 (Ref.) | 1.17 (0.97 - 1.40) | 1.02 (0.69 - 1.51) |
Sleep efficiency | <70%b | 1.00 (Ref.) | 1.03 (0.87 - 1.21) | 1.37 (0.98 - 1.92) |
Sleep latency | >= 60 minutesc | 1.00 (Ref.) | 1.06 (0.90 - 1.25) | 1.15 (0.82 - 1.60) |
Wake after sleep onset | >= 90 minutesd | 1.00 (Ref.) | 1.03 (0.90 - 1.19) | 1.37 (1.02 - 1.83) |
Long wake episodes | >= 8e | 1.00 (Ref.) | 1.10 (0.95 - 1.27) | 1.58 (1.18 - 2.12) |
Napping | >= 2 hoursf | 1.00 (Ref.) | 1.13 (0.95 - 1.34) | 1.35 (0.94 - 1.92) |