Table 1. Characteristics of participants who contributed samples to the study.
| Control | COCs | Copper IUD | LNG-IUD | P-value | |
|---|---|---|---|---|---|
| n = 17 | n = 14 | n = 16 | n = 11 | ||
| Age (years) | 0.004 a | ||||
| Median (Min,Max) | 32 (21,46) | 23.5 (21,33) | 25.5 (19,33) | 26 (20,41) | |
| Body Mass Index (kg/m2) | 0.023 a | ||||
| Median (Min,Max) | 26 (20,55) | 23 (19,35) | 21(18,29) | 24 (20,29) | |
| Race | 0.001 b | ||||
| White | 5(29%) | 5 (36%) | 11(69%) | 8(73%) | |
| Black or African-American | 9(53%) | 1(7%) | 0(0%) | 1(9%) | |
| Asian | 3(18%) | 8(57%) | 4(25%) | 1(9%) | |
| Missing | 0(0%) | 0(0%) | 1(6%) | 1(9%) | |
| Ethnicity | 0.11 b | ||||
| Hispanic or Latina | 5(29%) | 0(0%) | 5(31%) | 4(36%) | |
| Non-Hispanic | 12(71%) | 14(100%) | 11(69%) | 7(64%) | |
| Education completed | 0.52 b | ||||
| Some high school | 2(12%) | 0(0%) | 1(6%) | 1(9%) | |
| Some college | 5(29%) | 5(36%) | 3(19%) | 2(18%) | |
| College or above | 10(59%) | 9(64.3%) | 12(75%) | 8(73%) | |
| Current smoker | 0.071 b | ||||
| No | 13(76.5%) | 14(100%) | 15(94%) | 9(82%) | |
| Yes | 4(23.5%) | 0(0%) | 0(0%) | 2(18%) | |
| Missing | 0(0%) | 0(0%) | 1(6%) | 0(0%) | |
| Parity | 0.13 b | ||||
| 0 | 12 (71%) | 14 (100%) | 16 (100%) | 9 (82%) | |
| 1 | 1 (6%) | 0(0%) | 0(0%) | 0(0%) | |
| 2 | 4 (24%) | 0(0%) | 0(0%) | 2 (18%) | |
| Current contraceptive method use (months) | 0.29 a | ||||
| Median (Min,Max) | N/A | 26.5 (9,42) | 21.5 (6,45) | 17 (7,36) | |
| Sexual activity (vaginal sex, past 6 months) | 0.034 b | ||||
| None | 5(29%) | 2(14%) | 0(0%) | 0(0%) | |
| Some | 12(71%) | 12(86%) | 16(100%) | 11(100%) | |
| Lifetime sex partners (#) | 0.29 a | ||||
| Median (Min,Max) | 8 (1,50) | 5 (1,23) | 10 (2,30) | 8 (1,20) | |
| Samples analyzed (#) | |||||
| Endometrial biopsy c | 14 [12] | 12 [8] | 15 [13] | 10 [7] | |
| Cervical biopsy | 15 | 11 | 16 | 8 | |
| PBMC | 14 | 15 | 13 | 11 |
a Kruskall Wallis test
b Chi square test of association
c S1 Fig: For virus ZM247Fv2, N = 51 samples infected. For viruses REJO and RHPA, N = 40 samples infected.