Table II.
Baseline characteristics of women enrolled in the maternal multivitamin supplementation trial and whose children were enrolled and not enrolled in the follow-up study
| Characteristics | Included in follow-up study (n = 421) | Enrolled in the trial, but lost to follow-up (n = 7919) | P value |
|---|---|---|---|
| Maternal age, years | |||
| <20 | 21 (5.0) | 1313 (17) | <.001 |
| 20-24 | 95 (23) | 3226 (41) | |
| 25-29 | 174 (41) | 2080 (26) | |
| ≥30 | 131 (31) | 1295 (16) | |
| Maternal education, years | |||
| 0-4 | 34 (8.1) | 917 (12) | .002 |
| 5-7 | 266 (63) | 5286 (67) | |
| 8-11 | 93 (22) | 1311 (17) | |
| ≥12 | 28 (6.7) | 404 (5.1) | |
| Married or living with partner | |||
| Parity, no. of prior pregnancies | |||
| None | 54 (13) | 3707 (47) | <.001 |
| 1 | 157 (37) | 2160 (27) | |
| 2 | 103 (25) | 1129 (14) | |
| ≥3 | 107 (25) | 915 (12) | |
| Randomized supplementation group | |||
| Placebo | 223 (53) | 3964 (50) | .21 |
| Maternal multiple micronutrient | 198 (47) | 3992 (50) | |
| Wealth quartile | |||
| 1st (lowest) | 139 (33) | 3176 (40) | <.001 |
| 2nd | 53 (13) | 1104 (14) | |
| 3rd | 118 (28) | 2200 (28) | |
| 4th (highest) | 113 (27) | 1451 (18) | |
| Maternal smoking, yes | 3 (0.71) | 22 (0.28) | .214 |
| Maternal alcohol consumption | |||
| Never | 336 (80) | 6953 (88) | <.001 |
| Less than once per week | 57 (14) | 731 (9.2) | |
| Once or more times per week | 26 (6.2) | 233 (2.9) | |
| Child characteristics at birth | |||
| Female | 213 (51) | 4043 (52) | .979 |
| Preterm-born | 55 (13) | 1491 (19) | .004 |
| Low birthweight | 16 (3.80) | 579 (7.9) | .001 |