Table 1.
Demographic Characteristics of Study Populations in the D11-119 and A12-124 Studies
| S119 | S124 | ||||||
|---|---|---|---|---|---|---|---|
| Continuous variable (units) | n | Mean | SD | n | Mean | SD | p-value |
| Age (years) | 19 | 32.3 | 6.6 | 20 | 35.2 | 6 | .10 |
| BMI (kg/m2) | 19 | 32.8 | 9.5 | 20 | 31.9 | 9.8 | .82 |
| Years of education | 19 | 14.1 | 1.9 | 20 | 14 | 1.5 | .85 |
| Gravidity | 19 | 2.2 | 2 | 20 | 3.1 | 1.6 | .07 |
| Menstrual cycle length | 19 | 29.1 | 1.4 | 20 | 29.4 | 1.7 | .95 |
| Day of FOL phase sampling | 19 | 9.7 | 2.4 | 20 | 7.7 | 1.9 | .10 |
| Day of LUT phase sampling | 19 | 22.3 | 2.7 | 20 | 22.3 | 3.1 | .56 |
| S119 | S124 | ||||
|---|---|---|---|---|---|
| Categorical variable | n | % in study | n | % in study | p-value |
| Ethnicity | .12 | ||||
| Hispanic | 0 | 0 | 3 | 15 | |
| Non-Hispanic | 19 | 100 | 17 | 85 | |
| Race | .01 | ||||
| Black/African American | 13 | 68 | 6 | 30 | |
| Native Indian/Alaska Native | 0 | 0 | 1 | 5 | |
| White | 6 | 32 | 13 | 65 | |
| Contraception/sexual practices | <.01 | ||||
| Abstinence | 4 | 21 | 3 | 15 | |
| Tubal ligation | 4 | 21 | 8 | 40 | |
| Male condoms | 8 | 42 | 7 | 35 | |
| Same-sex relationship | 2 | 11 | 0 | 0 | |
| Male vasectomy | 1 | 5 | 2 | 10 | |
FOL, follicular; LUT, luteal.