Table 1.
Demographic and reproductive characteristics [median (IQR) or counts (%)] across quartiles of urinary bisphenol S concentrations among 158 men in the EARTH Study.
| Quartiles of urinary bisphenol S concentrations | ||||||
|---|---|---|---|---|---|---|
| Total cohort N=158 men |
Q1 N=38 men |
Q2 N=48 men |
Q3 N=34 men |
Q4 N=38 men |
p-valuea across quartiles |
|
| Age, years | 35.6 (32.6, 39.6) | 35.6 (32.6, 39.0) | 35.8 (32.7, 40.5) | 35.7 (33.4, 39.5) | 36.1 (31.8, 38.7) | 0.81 |
| Race, n (%) | 0.62 | |||||
| White/Caucasian | 139 (88) | 33 (87) | 43 (90) | 28 (82) | 35 (92) | |
| Black/Asian/Other | 19 (22) | 5 (13) | 5 (10) | 6 (18) | 3 (8) | |
| Body Mass Index, kg/m2 | 26.7 (24.1, 30.1) | 24.9 (23.5, 26.8) | 26.7 (25.3, 30.3) | 28.7 (24.3, 31.6) | 27.0 (24.2, 29.4) | 0.008 |
| Ever smoker, n (%) | 51 (32) | 13 (34) | 16 (33) | 10 (29) | 12 (32) | 0.97 |
| Education, n (%) | 0.48 | |||||
| High school/some college | 15 (10) | 3 (8) | 4 (8) | 3 (9) | 5 (13) | |
| College graduate | 49 (31) | 7 (18) | 17 (36) | 11 (32) | 14 (37) | |
| Graduate degree | 94 (60) | 28 (74) | 27 (56) | 20 (59) | 19 (50) | |
| Total physical activity (hrs/week) | 4.02 (0, 10.7) | 3.6 (0, 7.9) | 4.7 (0, 8.4) | 3.7 (0, 11.7) | 6.9 (0.8, 12.5) | 0.48 |
| Infertility diagnosis, n (%) | 0.82 | |||||
| Male | 36 (23) | 8 (21) | 9 (19) | 8 (24) | 11 (29) | |
| Female | 57 (36) | 12 (32) | 19 (40) | 11 (32) | 15 (39) | |
| Unexplained | 65 (41) | 18 (47) | 20 (42) | 15 (44) | 12 (32) | |