Table 2 Univariate analysis (n = 703)
Variables | % AHI <15/h | % AHI ≥15/h | OR (IC 95%) | P-value |
|---|---|---|---|---|
Gender | <0.001 | |||
Male | 73.12% | 26.88% | 11.36 (6.08 to 21.24) | |
Female | 96.87% | 3.13% | 1 | |
Snoring | <0.001 | |||
Yes | 78.39% | 21.61% | 4.44 (2.65 to 7.44) | |
No | 94.15% | 5.85% | 1 | |
Epworth | 0.008 | |||
≤ 10 | 89.60% | 10.40% | 1 | |
> 10 | 82.63% | 17.37% | 1.81 (1.16 to 2.81) | |
ISI | <0.001 | |||
≥ 15 | 89.96% | 10.04% | 1 | |
< 15 | 72.26% | 27.74% | 3.44 (2.20 to 5.39) | |
BDI | 0.088 | |||
< 12 | 83.69% | 16.31% | 1 | |
≥ 12 | 88.17% | 11.83% | 0.69 (0.45 to 1.06) | |
Metabolic syndrome | <0.001 | |||
Yes | 56.72% | 43.28% | 6.27 (3.64 to 10.81) | |
No | 89.15% | 10.85% | 1 | |
Benzodiazepines use | 0.911 | |||
Yes | 85.80% | 14.20% | 1.03 (0.63 to 1.69) | |
No | 86.14% | 13.86% | 1 | |
Z-drugs use | 0.042 | |||
Yes | 96.23% | 3.77% | 0.23 (0.05 to 0.95) | |
No | 85.23% | 14.77% | 1 | |
Antidepressant therapy | 0.526 | |||
Yes | 85.08% | 14.92% | 1.15 (0.75 to 1.77) | |
No | 86.76% | 13.24% | 1 | |
Smoking | 0.176 | |||
Yes | 89.14% | 10.86% | 0.69 (0.41 to 1.18) | |
No | 85.04% | 14.96% | 1 | |
Alcohol | 0.015 | |||
Yes | 80% | 20% | 1.79 (1.12 to 2.87) | |
No | 87.77% | 12.23% | 1 | |
BMI (kg/m2) | <0.001 | |||
< 25 | 96% | 4% | 1 | |
≥ 25 & <30 | 83.77% | 16.23% | 4.65 (2.32 to 9.31) | |
≥ 30 | 74.06% | 25.94% | 8.41 (4.37 to 16.17) | |
Age (years) | <0.001 | |||
< 50 | 92.66% | 7.34% | 1 | |
≥ 50 | 73.33% | 26.67% | 4.59 (2.92 to 7.21) | |
Sleep duration (hour) | 0.130 | |||
< 8 | 87.82% | 12.18% | 1 | |
≥ 8 | 83.82% | 16.18% | 1.39 (0.91 to 2.13) | |
Ferritin (μg/L) | <0.001 | |||
< 300 | 90.59% | 9.41% | 1 | |
≥ 300 | 57.73% | 42.27% | 7.05 (4.34 to 11.47) | |
CRP (mg/L) | 0.074 | |||
≤ 7 | 86.78% | 13.22% | 1 | |
> 7 | 78.33% | 21.67% | 1.82 (0.94 to 3.50) |