TABLE 1.
Characteristics of Study Population
| Total | Written Reminder, n = 219 | Conventional Text Message, n = 225 | Educational Text Message, n = 216 | P | |
|---|---|---|---|---|---|
| Age | .91 | ||||
| 6–23 mo | 484 (73.3) | 161 (73.5) | 163 (72.4) | 160 (74.1) | |
| 24–59 mo | 66 (10.0) | 21 (9.6) | 26 (11.6) | 19 (8.8) | |
| 5–8 y | 110 (16.7) | 37 (16.9) | 36 (16.0) | 37 (17.1) | |
| Gender | .66 | ||||
| Girl | 327 (49.5) | 114 (52.1) | 108 (48.0) | 105 (48.6) | |
| Boy | 333 (50.5) | 105 (47.9) | 117 (52.0) | 111 (51.4) | |
| Race/ethnicity | .57 | ||||
| Latino | 586 (88.8) | 199 (90.9) | 201 (89.3) | 186 (86.1) | |
| African American | 58 (8.8) | 14 (6.4) | 19 (8.4) | 25 (11.6) | |
| White | 2 (0.3) | 1 (0.5) | 0 (0) | 1 (0.5) | |
| Other | 14 (2.1) | 5 (2.3) | 5 (2.2) | 4 (1.9) | |
| Language most comfortable speaking with health care provider | .47 | ||||
| Spanish | 341 (51.7) | 121 (55.3) | 112 (49.8) | 108 (50.0) | |
| English | 318 (48.2) | 98 (44.7) | 112 (49.8) | 108 (50.0) | |
| Other | 1 (0.2) | 0 (0) | 1 (0.4) | 0 (0) | |
| Insurance | .15 | ||||
| Medicaid/State Children’s Health Insurance Program | 638 (96.7) | 208 (95.0) | 219 (97.3) | 211 (97.7) | |
| Commercial | 14 (2.1) | 7 (3.2) | 2 (0.9) | 5 (2.3) | |
| Uninsured | 8 (1.2) | 4 (1.8) | 4 (1.8) | 0 (0) | |
| Education | .56 | ||||
| < High school | 110 (16.7) | 33 (15.1) | 38 (16.9) | 39 (18.1) | |
| High school | 230 (34.8) | 83 (37.9) | 70 (31.1) | 77 (35.6) | |
| At least some college | 320 (48.5) | 103 (47.0) | 117 (52.0) | 100 (46.3) | |
| Text message plan type | .65 | ||||
| Unlimited plan | 583 (88.3) | 190 (86.8) | 200 (88.9) | 193 (89.4) | |
| Limited plan | 74 (11.2) | 27 (12.3) | 24 (10.7) | 23 (10.6) | |
| Did not know | 3 (0.5) | 2 (0.9) | 1 (0.4) | 0 (0) | |
| Text message frequency | .18 | ||||
| At least weekly | 609 (92.3) | 207 (94.5) | 201 (89.3) | 201 (93.1) | |
| Less often than weekly | 39 (5.9) | 11 (5.0) | 17 (7.6) | 11 (5.1) | |
| Never | 12 (1.8) | 1 (0.5) | 7 (3.1) | 4 (1.9) | |
| S-TOFHLAa | .99 | ||||
| Adequate | 434 (85.9) | 140 (86.4) | 149 (85.6) | 145 (85.8) | |
| Marginal | 27 (5.3) | 8 (4.9) | 10 (5.7) | 9 (5.3) | |
| Inadequate | 44 (8.7) | 14 (8.6) | 15 (8.6) | 15 (8.9) |
Data are presented as n (%).
a
Short Test of Functional Health Literacy in Adults (S-TOFHLA) not available on all participants because of family’s time availability at enrollment.