Baseline characteristics of participants in the Uppsala–Stockholm Assisted Reproductive Techniques study
| Sociodemographic characteristics | Women | Men | ||
| Responded to baseline questionnaire n=432 | Non-responders n=83 | Responded to baseline questionnaire n=348 | Non-responders n=109 | |
| Age, mean±SD* | 33.8±4.12 | 33.9±4.61 | 35.9±5.44 | 37.2±6.39 |
| BMI, mean±SD | 23.5±3.8 | N/A | 25.6±3.0 | N/A |
| Highest education† | ||||
| High school, n (%) | 90 (21.2) | 21 (26.3) | 110 (32.2) | 40 (37.4) |
| University, n (%) | 334 (78.8) | 59 (73.8) | 232 (67.8) | 66 (62.6) |
| Current smoker, n (%) | 14 (3.3) | N/A | 18 (5.3) | N/A |
Data for non-responders provided by Statistics Sweden.
*Data missing for 10 non-responders.
†Data missing for 6 non-responders.
BMI, body mass index; N/A, data not available.