Table 1.
Participant characteristics by study cohort
| Characteristic | Preference SARC (n= 522) n (%) or median (Q1-Q3) | Randomized SARC (n= 195) n (%) or median (Q1-Q3) | Randomized LARC (n= 177) n (%) or median (Q1-Q3) | p-value1 |
|
|---|---|---|---|---|---|
| Randomized Groups | SARC Groups | ||||
| Age | 23 (21-26) | 23 (21-26) | 23 (21-26) | 0.45 | 0.26 |
| Marital status | |||||
| Single | 443 (84.9) | 168 (86.2) | 149 (84.2) | 0.85 | 0.37 |
| Married | 63 (12.1) | 18 (9.2) | 18 (10.2) | ||
| Divorced/Separated | 16 (3.1) | 9 (4.6) | 10 (5.6) | ||
| Months with current partner | 15 (6-36) | 11 (3-25) | 12 (4-36) | 0.24 | <0.01 |
| Race/Ethnicity2 | |||||
| Hispanic | 68 (13.1) | 30 (15.4) | 14 (7.9) | 0.09 | 0.58 |
| Non-Hispanic, white | 269 (51.8) | 105 (53.8) | 111 (62.7) | ||
| Non-Hispanic, black | 124 (23.9) | 44 (22.6) | 34 (19.2) | ||
| All other single and multiple race (non-Hispanic only) | 58 (11.2) | 16 (8.2) | 18 (10.2) | ||
| Education attainment | |||||
| Not complete high school | 20 (3.8) | 7 (3.6) | 9 (5.1) | 0.65 | 0.34 |
| High school | 199 (38.1) | 82 (42.1) | 73 (41.2) | ||
| Post-high school | 102 (19.5) | 26 (13.3) | 30 (16.9) | ||
| College | 157 (30.1) | 66 (33.8) | 57 (32.2) | ||
| Graduate school | 44 (8.4) | 14 (7.2) | 8 (4.5) | ||
| Currently working | 361 (69.2) | 148 (75.9) | 136 (76.8) | 0.83 | 0.08 |
| Health insurance | |||||
| None | 189 (36.2) | 93 (47.7) | 84 (47.5) | 0.93 | 0.01 |
| Private | 266 (51) | 87 (44.6) | 76 (42.9) | ||
| Medicaid | 45 (8.6) | 7 (3.6) | 8 (4.5) | ||
| Other | 22 (4.2) | 8 (4.1) | 9 (5.1) | ||
| Reproductive health | |||||
| Previous unintended pregnancy | 134 (25.7) | 59 (30.3) | 59 (33.3) | 0.52 | 0.22 |
| Ever had an abortion | 122 (23.4) | 53 (27.2) | 53 (29.9) | 0.45 | 0.45 |
| Number of previous pregnancies | |||||
| 0 | 366 (70.1) | 123 (63.1) | 110 (62.1) | 0.70 | 0.10 |
| 1 | 95 (18.2) | 47 (24.1) | 38 (21.5) | ||
| 2 | 33 (6.3) | 14 (7.2) | 18 (10.2) | ||
| 3+ | 28 (5.4) | 11 (5.6) | 11 (6.2) | ||
| Among those previously pregnant: | |||||
| Months since last pregnancy ended | 15 (3-37) | 9 (1-23) | 10 (1-31) | 0.99 | 0.04 |
| Currently menstruating | 98 (18.8) | 34 (17.4) | 35 (19.8) | 0.56 | 0.68 |
| Wants more children | 440 (84.3) | 170 (87.2) | 136 (76.8) | <0.01 | 0.33 |
| Months from today when pregnancy is desired | 60 (36-96) | 60 (48-96) | 60 (48-98) | 0.77 | 0.11 |
| Motivation to opt for randomization | |||||
| To receive free SARC | NA | 32 (16.4) | 9 (5.1) | <0.01 | NA |
| To receive free LARC | 41 (21.0) | 67 (37.9) | |||
| To receive any free method | 122 (62.6) | 101 (57.0) | |||
Preference SARC consisted of 423 oral contraceptives users and 99 DMPA users.
Randomized SARC consisted of 147 oral contraceptive users and 48 DMPA users.
Randomized LARC consisted of 120 Mirena users, 6 ParaGard users, and 51 Implanon/Nexplanon users.
1
For categorical variables, Exact test was used for any cell number < 5 and Chi-square tests was used for all cells >=5; For continuous variables, Wilcoxon test was used.
2
Three participants did not report their race/ethnicity.