Table 1.
Baseline characteristics of 233 women included in the analysis, overall, and by impaired glucose tolerance status (glucose from GLT ≥140 mg/dL versus <140 mg/dL)
| Characteristics | Total (n=233) | Glucose <140 (n=192) | Glucose≥140 (n=41) |
|---|---|---|---|
| Maternal age, years (sd) | 35.4 (3.9) | 35.4 (3.9) | 35.8 (3.7) |
| BMI, kg/m2 (sd) | 24.2 (4.8) | 24.0 (4.6) | 25.2 (5.8) |
| Total physical activity, h/week (sd) | 6.5 (6.8) | 6.7 (7.2) | 5.3 (4.8) |
| Smoking, n (%) | |||
| Never | 175 (75) | 147 (77) | 28 (68) |
| Former | 52 (22) | 41 (21) | 11 (27) |
| Current | 6 (3) | 4 (2) | 2 (5) |
| Race, n (%) | |||
| White | 203 (87) | 171 (89) | 32 (79) |
| Black/African American | 5 (2) | 4 (2) | 1 (2) |
| Asian | 17 (7) | 10 (5) | 7 (17) |
| Other | 8 (4) | 7 (4) | 1 (2) |
| Education, n (%) | |||
| High school graduate or less | 28 (12) | 23 (12) | 5 (12) |
| College graduate or higher | 205 (88) | 169 (88) | 36 (88) |
| Infertility diagnosis, n (%) | |||
| Male factor | 76 (33) | 64 (33) | 12 (29) |
| Female factor | 65 (28) | 46 (24) | 19 (46) |
| Unexplained | 91 (39) | 82 (43) | 10 (25) |
| More than one fetus, n (%) | 46 (19) | 35 (18) | 9 (22) |