| Variable | Category | Statistics | Progressive Motility (%) | |||
| <32 (n = 192) | ≥32 (n = 610) | |||||
| Normal | Oligospermia | Normal | Oligospermia | |||
| Freq. (%) | Freq. (%) | Freq. (%) | Freq. (%) | |||
| All | 58 (30.2) | 134 (69.8) | 395 (64.7) | 215 (35.3) | ||
| χ2 (P-value) | 70.90 (0.000001) | |||||
| OR (95% CI) | 4.24 (2.99, 6.02) | |||||
| RR (95% CI) | 1.98 (1.72, 2.28) | |||||
| Age (years) | <30 | Number (%) | 0 (0.0) | 4 (3.0) | 4 (1.0) | 3 (1.4) |
| χ2 (P-value)/OR (95% CI)/RR (95% CI) | 3.59 (0.06)/0.0 (undefined)/2.33 (0.99, 5.49) | |||||
| 30 - 39 | Number (%) | 14 (24.1) | 47 (35.1) | 139 (35.2) | 63 (29.3) | |
| χ2 (P-value)/OR (95% CI)/RR (95% CI) | 40.50 (0.00001)/7.40 (3.80, 14.43)/2.47 (1.33,3.16) | |||||
| 40 - 49 | Number (%) | 29 (50.0) | 63 (47.0) | 195 (49.4) | 109 (50.7) | |
| χ2 (P-value)/OR (95% CI)/RR (95% CI) | 30.59 (0.00001)/3.89 (2.36, 6.40)/1.91 (1.56, 2.34) | |||||
| 50 - 59 | Number (%) | 15 (25.9) | 17 (12.7) | 51 (12.9) | 39 (18.1) | |
| χ2 (P-value)/OR (95% CI)/RR (95% CI) | 0.91 (0.34)/1.48 (0.66, 3.33)/1.23 (0.82, 1.83) | |||||
| ≥60 | Number (%) | 0 (0.0) | 3 (2.2) | 6 (1.5) | 1 (0.5) | |
| χ2 (P-value)/OR (95% CI)/RR (95% CI) | 3.35 (0.07) Fisher’s exact test/Undefined/7.00 (1.14, 42.97) | |||||
| BMI (kg/m2) | <18.5 | Number (%) | 0 (0.0) | 0 (0.0) | 1 (0.2) | 3 (1.4) |
| χ2 (P-value)/OR (95% CI)/RR (95% CI) | 3.35 (0.07) Fisher’s exact test/Undefined/7.00 (1.14, 42.97) | |||||
| 18.5 - 24.9 | Number (%) | 17 (29.3) | 32 (23.9) | 130 (32.9) | 66 (30.7) | |
| χ2 (P-value)/OR (95% CI)/RR (95% CI) | 16.34 (0.00005)/3.70 (1.92, 7.16)/1.94 (1.46, 2.57) | |||||
| 25.0 - 29.9 | Number (%) | 30 (51.7) | 69 (51.5) | 204 (51.6) | 105 (48.8) | |
| χ2 (P-value)/OR (95% CI)/RR (95% CI) | 39.10 (0.000001)/4.47 (2.74, 7.29)/ 2.05 (1.67, 2.51) | |||||
| ≥30 | Number (%) | 11 (19.0) | 33 (24.6) | 60 (15.2) | 41 (19.1) | |
| χ2 (P-value)/OR (95% CI)/RR (95% CI) | 14.52 (0.0001)/4.39 (1.99, 9.67)/1.85 (1.38, 2.47) | |||||