Table 2 Association between sleep parameters and reduced semen quality
Variable | Unadjusted | Adjusted | ||||
|---|---|---|---|---|---|---|
B (SE) | Odds Ratio (95% CI) | P-value | B (SE) | Odds Ratio (95% CI) | P-value | |
Model 1 (Bedtime) | ||||||
Early Bedtime (8:00 PM - 10:29 PM) | Reference | 1.00 (reference) | Reference | 1.00 (reference) | ||
Regular Bedtime (10:30 PM - 11:29 PM) | 0.84 (0.45) | 2.31 (0.95, 5.6) | 0.07 | 1.01 (0.48) | 2.75 (1.1, 7.1) | 0.04* |
Late Bedtime (11:30 PM - 1:59 AM) | 1.25 (0.61) | 3.50 (1.1, 11.5) | 0.04* | 1.38 (0.62) | 3.97 (1.2, 13.5) | 0.03* |
Model 2 (Sleep duration) | ||||||
Very Short Sleep Duratio (< 7 h) | 1.83 (0.68) | 6.22 (1.6, 23.8) | 0.01* | 1.82 (0.70) | 6.18 (1.6, 24.2) | 0.01* |
Short Sleep Duration (7.0–7.49 h) | 1.33 (0.60) | 3.77 (1.2, 12.3) | 0.03* | 1.36 (0.61) | 3.88 (1.2, 12.9) | 0.03* |
Conventional Sleep Duration (7.5–7.9 h) | Reference | 1.00 (reference) | Reference | 1.00 (reference) | ||
Long Sleep Duration (≥8.0 h) | 0.70 (0.62) | 2.02 (0.6, 6.8) | 0.25 | 0.75 (0.65) | 2.11 (0.6, 7.5) | 0.25 |
Model 3 (Sleep Quality) | ||||||
Optimal Sleep Quality (PSQI ≤6) | Reference | 1.00 (reference) | Reference | 1.00 (reference) | ||
Borderline Sleep Quality (PSQI 7–8) | 0.16 (0.53) | 1.2 (0.4, 3.3) | 0.77 | 0.17 (0.54) | 1.19 (0.4, 3.4) | 0.75 |
Poor Sleep Quality (PSQI ≥9) | 0.89 (0.53) | 2.43 (0.9, 6.8) | 0.09 | 0.89 (0.55) | 2.43 (0.8, 7.1) | 0.11 |