| Characteristics | Adolescents (n = 182) | Adults (n = 502) | P Value |
|---|---|---|---|
| Mean age ± SD (years) | 18.0 ± 1.6 | 26.9 ± 3.8 | |
| <18 | 92 (50.5) | — | |
| 18–20 | 90 (49.5) | — | |
| 21–25 | — | 191 (38.0) | |
| 26–30 | — | 199 (39.6) | |
| 31–35 | — | 112 (22.3) | |
| Race* | <.001 | ||
| African American | 27 (14.8) | 110 (21.9) | |
| White | 11 (6.0) | 150 (29.9) | |
| Other/mixed | 74 (40.7) | 144 (28.7) | |
| Ethnicity* | <.001 | ||
| Non-Hispanic | 44 (24.2) | 257 (51.2) | |
| Hispanic | 82 (45.1) | 184 (36.7) | |
| Gravidity* | <.001 | ||
| 0 | 96 (52.7) | 140 (27.9) | |
| 1 | 45 (24.7) | 107 (21.3) | |
| >1 | 18 (9.9) | 209 (41.6) | |
| Parity* | <.001 | ||
| 0 | 142 (78.0) | 226 (45.0) | |
| 1 | 16 (8.8) | 122 (24.3) | |
| >1 | 4 (2.2) | 110 (21.9) | |
| IUD payment form* | <.001 | ||
| Grant funded | 81 (44.5) | 122 (24.3) | |
| Insurance | 101 (55.5) | 377 (75.1) | |
| Location of insertion | <.001 | ||
| Residency site | 141 (77.5) | 331 (65.9) | |
| Nonresidency site | 41 (22.5) | 171 (34.1) | |
| Type of device* | .71 | ||
| Hormonal | 131 (72.0) | 356 (70.9) | |
| Nonhormonal | 50 (27.5) | 146 (29.1) | |
| Reason for insertion† | |||
| Routine contraception | 131 (72.0) | 336 (66.9) | .87 |
| Postpartum contraception | 5 (2.7) | 62 (12.4) | <.001 |
| Postabortion contraception | 38 (20.9) | 65 (12.9) | .01 |
| Emergency contraception | 0 (0) | 6 (1.2) | .14 |
| Menorrhagia | 0 (0) | 7 (1.4) | .11 |
| Patients who initiated IUD-related contact‡ | 108 (59.3) | 216 (43.0) | <.001 |
Data are number (%) unless otherwise indicated.
↵* The total may not sum to 100% because of missing data.
↵† The total may sum to >100% because patients could select multiple reasons.
↵‡ More than 95% of the total number of patients who had any contact with the Institute for Family Health during the 6 months after insertion also initiated intrauterine device (IUD)-related contact.
SD, standard deviation.