Table 3 Odds ratio and 95 % CI for hypertension according to sleep duration levels
From: The relation between habitual sleep duration and blood pressure values in Japanese male subjects
Sleep duration (h) | ||||
|---|---|---|---|---|
<6 | 6- | 7- | ≥8 | |
(n = 201) | (n = 628) | (n = 638) | (n = 203) | |
Hypertension, n (%) | 27 (13.4) | 36 (5.7) | 48 (7.5) | 28 (13.8) |
Unadjusted | ||||
Odds ratio | 2.73 | 1.33 | 1.00 | 2.45 |
95 % CI | 1.60–4.64 | 0.84–2.10 | – | 1.45–4.15 |
P value | <0.001 | 0.23 | – | <0.01 |
Model 1a | ||||
Odds ratio | 2.49 | 1.28 | 1.00 | 2.40 |
95 % CI | 1.43–4.33 | 0.80–2.05 | – | 1.40–4.12 |
P value | <0.01 | 0.30 | – | <0.01 |
Model 2b | ||||
Odds ratio | 2.43 | 1.27 | 1.00 | 2.28 |
95 % CI | 1.40–4.20 | 0.81–1.99 | – | 1.31–3.95 |
P value | <0.01 | 0.30 | – | <0.01 |