Table 2.
Characteristics of the FEPOS cohort stratified by aggregated PCP usage.
| Characteristics | Overall PCP Usage | ||
|---|---|---|---|
| Low | Medium | High | |
| (≤3 PCPs) | (4–6 PCPs) | (≥7 PCPs) | |
| Men | |||
| Total men, n | 203 | 578 | 265 |
| BMI, mean (SD) | 22.1 (3.1) | 22.6 (3.6) | 22.5 (3.0) |
| Alcohol ≥ once a week, n (%) | 97 (48) | 316 (55) | 151 (57) |
| Current smoking, n (%) | 64 (32) | 220 (38) | 129 (49) |
| Current vaping, n (%) | 21 (10) | 37 (6) | 17 (6) |
| Regular exercise, n (%) | 152 (75) | 479 (83) | 233 (88) |
| Sparse facial hair, n (%) 1 | 157(77) | 464 (80) | 230 (87) |
| Acne, n (%) | 66 (33) | 221 (38) | 103 (39) |
| Urogenital disorders, n (%) 2 | 36 (18) | 121 (21) | 55 (21) |
| Mothers | |||
| Age at birth of son, mean (SD) | 30.1 (4.0) | 30.6 (4.1) | 30.5 (4.4) |
| Smoking during pregnancy, n (%) | 45 (22) | 132 (23) | 66 (25) |
| Pre-pregnancy BMI, mean (SD) | 22.6 (3.8) | 22.9 (3.6) | 22.7 (3.5) |
| High family occupational status, n (%) 3 | 69 (34) | 192 (33) | 93 (35) |
| Semen sample parameters | |||
| Days of abstinence, mean (SD) | 2.5 (2.0) | 2.3 (1.4) | 2.2 (1.3) |
| Spillage, yes n (%) | 33 (16) | 96 (17) | 50 (19) |
| Minutes from ejaculation to analysis, mean (SD) | 50 (19.9) | 49 (19.3) | 52 (19.1) |
| Sampling site, clinic n (%) | 176 (87) | 504 (87) | 224 (85) |
| Place of analysis, Copenhagen n (%) | 150 (74) | 442 (76) | 230 (87) |
PCP, personal care product; BMI, body mass index. 1 Facial hair insufficient for regular shaving. 2 Current or previous urogenital disorders potentially associated with semen quality. 3 Based on the highest grade of maternal and paternal occupation during pregnancy.