Table 1. Characteristics of participants in the baseline.
| Variable | Infertility | p-value | ||
|---|---|---|---|---|
| With | Without | |||
| Overall | 2,326 (20.00) | 9,304 (80.00) | ||
| Age (y) | 30.60±6.45 | 30.60±6.67 | 0.893 | |
| Married | <0.001 | |||
| Without | 743 (31.94) | 4,665 (50.14) | ||
| With | 1,583 (68.06) | 4,639 (49.86) | ||
| Education (y) | <0.001 | |||
| <12 | 735 (31.60) | 4,664 (50.13) | ||
| ≥12 | 1,591 (68.40) | 4,640 (49.87) | ||
| Insured premium (TWD) | <0.001 | |||
| <18,000 | 1,614 (69.39) | 9,145 (98.29) | ||
| 18,000–34,999 | 369 (15.86) | 102 (1.10) | ||
| ≥35,000 | 343 (14.75) | 57 (0.61) | ||
| DM | <0.001 | |||
| Without | 2,296 (98.71) | 9,105 (97.86) | ||
| With | 30 (1.29) | 199 (2.14) | ||
| Hyperlipidemia | 0.243 | |||
| Without | 2,298 (98.80) | 9,129 (98.12) | ||
| With | 28 (1.20) | 175 (1.88) | ||
| CKD | 0.976 | |||
| Without | 2,308 (99.23) | 9,233 (99.24) | ||
| With | 18 (0.77) | 71 (0.76) | ||
| COPD | 0.001 | |||
| Without | 2,306 (99.14) | 9,169 (98.55) | ||
| With | 20 (0.86) | 135 (1.45) | ||
| Scrotal varices | <0.001 | |||
| Without | 1,906 (81.94) | 9,261 (99.54) | ||
| With | 420 (18.06) | 43 (0.46) | ||
| Obesity | 0.482 | |||
| Without | 2,326 (100.00) | 9,299 (99.95) | ||
| With | 0 (0.00) | 5 (0.05) | ||
| Depression | 0.186 | |||
| Without | 2,314 (99.48) | 9,271 (99.65) | ||
| With | 12 (0.52) | 33 (0.35) | ||
| Anxiety | 0.193 | |||
| Without | 2,326 (100.00) | 9,296 (99.91) | ||
| With | 0 (0.00) | 8 (0.09) | ||
| Manic disorder | 0.482 | |||
| Without | 2,320 (99.74) | 9,264 (99.62) | ||
| With | 6 (0.26) | 35 (0.38) | ||
| Alcoholic psychoses | 0.197 | |||
| Without | 2,315 (99.53) | 9,186 (98.73) | ||
| With | 11 (0.47) | 118 (1.27) | ||
| Tobacco use disorder | - | |||
| Without | 2,326 (100.00) | 9,304 (100.00) | ||
| With | 0 (0.00) | 0 (0.00) | ||
| Season | 0.999 | |||
| Spring (Mar–May) | 704 (30.27) | 2,816 (30.27) | ||
| Summer (Jun–Aug) | 519 (22.31) | 2,076 (22.31) | ||
| Autumn (Sep–Nov) | 583 (25.06) | 2,332 (25.06) | ||
| Winter (Dec–Feb) | 520 (22.36) | 2,080 (22.36) | ||
| Location | <0.001 | |||
| Northern Taiwan | 1,201 (51.63) | 3,875 (41.65) | ||
| Middle Taiwan | 508 (21.84) | 2,611 (28.06) | ||
| Southern Taiwan | 521 (22.40) | 2,389 (25.68) | ||
| Eastern Taiwan | 96 (4.13) | 428 (4.60) | ||
| Outlets islands | 0 (0.00) | 1 (0.01) | ||
| Urbanization level | <0.001 | |||
| 1 (the highest) | 1,206 (51.85) | 3,268 (35.12) | ||
| 2 | 851 (36.59) | 3,833 (41.20) | ||
| 3 | 105 (4.51) | 1,003 (10.78) | ||
| 4 (the lowest) | 164 (7.05) | 1,200 (12.90) | ||
| Level of care | <0.001 | |||
| Medical center | 1,065 (45.79) | 2,498 (26.85) | ||
| Regional hospital | 679 (29.19) | 2,843 (30.56) | ||
| Local hospital | 582 (25.02) | 3,963 (42.59) | ||
Values are presented as number (%) or mean±standard deviation.
TWD: Taiwan New Dollar, DM: diabetes mellitus, CKD: chronic kidney disease, COPD: chronic obstructive pulmonary disease.
p-values are chi-square or Fisher exact test on category variables and t-test on continue variables.