Table 5.
Association between sleep disorder related variables and stroke in participants ≥65 years of age.
| Variables | Model 1 | P | Model 2 | P | Model 3 | P |
|---|---|---|---|---|---|---|
| OR (95% CI) | OR (95% CI) | OR (95% CI) | ||||
| Sleep duration | ||||||
| <6 h | 1.12 (0.71–1.77) | 0.623 | 1.03 (0.65–1.63) | 0.895 | 1.03 (0.62–1.73) | 0.894 |
| 6–7 h | Ref | Ref | Ref | |||
| 7–8 h | 0.80 (0.44–1.45) | 0.439 | 0.86 (0.47–1.58) | 0.617 | 0.90 (0.49–1.65) | 0.717 |
| ≥8 h | 1.01 (0.66–1.53) | 0.989 | 0.99 (0.63–1.56) | 0.977 | 1.04 (0.66–1.62) | 0.873 |
| Sleep disorder | ||||||
| No | Ref | Ref | Ref | |||
| Yes | 1.14 (0.59–2.19) | 0.693 | 1.07 (0.47–2.43) | 0.862 | 0.85 (0.37–1.91) | 0.675 |
| Time required to fall asleep | 1.01 (1.01–1.02) | 0.037 | 1.01 (1.00–1.02) | 0.130 | 1.00 (0.99–1.01) | 0.539 |
| Frequency of sleep deprivation | ||||||
| Never | Ref | Ref | Ref | |||
| One time a month | 0.89 (0.56–1.42) | 0.619 | 1.07 (0.71–1.62) | 0.719 | 1.05 (0.69–1.60) | 0.808 |
| 2–4 times a month | 1.13 (0.78–1.64) | 0.513 | 1.32 (0.87–2.00) | 0.181 | 1.30 (0.84–1.99) | 0.218 |
| 5–15 times a month | 1.14 (0.60–2.18) | 0.675 | 1.30 (0.64–2.62) | 0.450 | 1.05 (0.48–2.29) | 0.893 |
| 16–30 times a month | 1.67 (0.82–3.43) | 0.144 | 1.73 (0.83–3.60) | 0.129 | 1.47 (0.64–3.35) | 0.343 |
| Frequency of early-morning wakefulness | ||||||
| Never | Ref | Ref | Ref | |||
| One time a month | 0.93 (0.59–1.47) | 0.746 | 0.98 (0.63–1.54) | 0.944 | 1.00 (0.65–1.55) | 0.995 |
| 2–4 times a month | 1.02 (0.60–1.73) | 0.943 | 1.07 (0.61–1.87) | 0.800 | 1.01 (0.58–1.77) | 0.956 |
| 5–15 times a month | 1.19 (0.62–2.28) | 0.581 | 1.31 (0.69–2.50) | 0.394 | 1.20 (0.60–2.44) | 0.591 |
| 16–30 times a month | 1.80 (1.01–3.21) | 0.039 | 1.68 (0.94–3.02) | 0.069 | 1.66 (0.90–3.05) | 0.092 |
| Frequency of midnight wakefulness | ||||||
| Never | Ref | Ref | Ref | |||
| One time a month | 1.38 (0.97–1.97) | 0.062 | 1.52 (1.09–2.14) | 0.011 | 1.59 (1.15–2.19) | 0.004 |
| 2–4 times a month | 0.99 (0.65–1.53) | 0.984 | 1.13 (0.72–1.77) | 0.581 | 1.02 (0.65–1.62) | 0.913 |
| 5–15 times a month | 1.25 (0.79–2.00) | 0.322 | 1.44 (0.86–2.39) | 0.148 | 1.29 (0.72–2.31) | 0.377 |
| 16–30 times a month | 1.91 (1.09–3.35) | 0.018 | 1.92 (1.08–3.42) | 0.020 | 1.80 (0.98–3.29) | 0.048 |
OR – odds ratio; CI – confidence interval; Ref – reference. Model 1: unadjusted model; Model 2: adjustment of age, gender, BMI, marital status, family PIR, and education level; Model 3: adjustment of age, gender, BMI, marital status, race, education level, family PIR, waist circumference, hypertension, CHF, CHD, angina pectoris, heart attack, platelet count, diabetes, beta-blockers, and antidepressant.