Table 1. Characteristics of the Study Sample (women with paired samples).
| Characteristic | All subjectsN = 122 | Vaginal sampleN = 110 | Oral sampleN = 97 | Gut sampleN = 69 | |||
|---|---|---|---|---|---|---|---|
| Difference1 | p-value2 | Difference1 | p-value2 | Difference1 | p-value2 | ||
| Age, years (mean ± sd) | 24.07 ± 4.4 | −1.6 | 0.17 | 2.03 | 0.13 | −.44 | 0.89 | 
| Prenatal health insurance, n (%) | |||||||
| Medicaid | 94 (77) | −11.5 | 0.47 | −1.3 | 0.99 | .55 | .051 | 
| Private | 28 (23) | 11.5 | 0.47 | 1.3 | 0.99 | −.55 | .051 | 
| Education level | |||||||
| Less than high school | 19 (16) | 1.2 | 0.99 | −4.5 | 0.65 | 2.5 | 0.99 | 
| High school or GED | 52 (43) | 1.1 | 0.99 | 1.7 | 0.74 | −12.0 | 0.51 | 
| Some college | 36 (30) | 14.2 | 0.51 | −6.9 | 0.72 | 11.2 | 0.99 | 
| College graduate | 15 (13) | 14.1 | 0.17 | 9.7 | 0.99 | −1.7 | 0.01 | 
| Marital status, n (%) | |||||||
| Married or cohabiting | 66 (54) | 23.0 | 0.14 | 7.8 | 0.18 | −1.1 | 0.99 | 
| Obstetrical history, n (%) | |||||||
| Prior term birth | 59 (49) | −63.3 | 0.04 | 17.9 | 0.10 | 3.0 | 0.68 | 
| Prior preterm birth | 14 (11) | 15.5 | 0.71 | −12.5 | 0.69 | −8.0 | 0.99 | 
| Exposure to antibiotics, n (%) | |||||||
| Prior to study visit 1 | 26 (22) | −14.4 | 0.46 | −6.7 | 0.69 | −11.0 | 0.99 | 
| Between study visit 1 and 2 | 34 (28) | 6.1 | 0.74 | 0.16 | 0.46 | 0.77 | 0.99 | 
Notes.
Difference in summary measure for participants with paired samples from the body site compared to those without paired samples from the site.
p-value for t-test (for continuous variables) or Fishers exact test (for categorical values).
The bold styling indicates a p-value that is statistically significant at α < 0.05.