Table 1.
Baseline characteristics of the women by group for all women enrolled in the study separated into those who completed follow‐up and those who were lost to follow‐up
| Placebo (n = 39) | Fe‐B (n = 28) | Fe‐W (n = 29) | Fe groups combined (n = 57) | Completed follow‐up (n = 96) | Lost to follow‐up (n = 18) | p valuea | |
|---|---|---|---|---|---|---|---|
| Age (y) | 30.6 (5.2)b | 29.4 (6.2) | 31.0 (5.3) | 30.2 (5.7) | 30.3 (5.5) | 28.7 (4.7) | 0.256 |
| Day postpartum | 12.5 (5.3) | 13.1 (6.0) | 15.2 (8.1) | 14.2 (7.2) | 13.5 (6.5) | 15.6 (6.2) | 0.205 |
| BMI (kg/m2) | 27.8 (5.7) | 28.8 (4.7) | 29.6 (4.8) | 29.2 (4.8) | 28.6 (5.2) | 27.9 (5.1) | 0.638 |
| Total years of education | 16.2 (2.7) | 16.2 (2.1) | 16.0 (1.6) | 16.1 (1.8) | 16.1 (2.2) | 15.5 (2.7) | 0.257 |
| Number of children | 1.8 (0.7) | 1.9 (1.3) | 1.7 (1.0) | 1.8 (1.2) | 1.8 (1.0) | 1.7 (0.8) | 0.685 |
| Married or living as married (%) | 79.5 | 64.3 | 79.3 | 71.9 | 75.0 | 66.7 | 0.294 |
| MediCalc (% yes) | 28.2 | 42.9 | 31.0 | 36.8 | 33.3 | 33.3 | >0.999 |
| WICd (% yes) | 33.3 | 46.4 | 20.7 | 33.3 | 33.3 | 38.9 | 0.787 |
| Current smoker (% yes) | 5.1 | 3.6 | 10.3 | 7.0 | 6.3 | 11.1 | 0.610 |
p value for the difference in baseline characteristics between those who completed follow‐up and those who were lost to follow‐up as analyzed by ANOVA for continuous variables and Fisher's exact test for categorical variables.
Mean (SD; all such values).
California Medical Assistance Program—provides health coverage for people with low income.
The Special Supplemental Nutrition Program for Women, Infants and Children—a federal assistance program for health care and nutrition of low‐income pregnant women, breastfeeding women, and infants and children under the age of 5 years.
Fe‐B, iron supplement consumed between meals; Fe‐W, iron supplement consumed with meals.