Table 1.
Characteristics of the Mothers and Their Infants
| Variable | Mean ± SD or n (%) |
|---|---|
| Race (n = 111) | |
| Caucasian | 75 (67.6) |
| African American | 25 (22.5) |
| Asian | 7 (6.3) |
| Native American | 2 (1.8) |
| Other | 2 (1.8) |
| Ethnicity (n = 111) | |
| Hispanic | 14 (12.6) |
| Not Hispanic | 97 (87.4) |
| Highest level of education (n = 111) | |
| Less than high school | 3 (2.7) |
| High school graduate | 18 (16.2) |
| Some college | 23 (20.7) |
| College graduate | 67 (60.4) |
| Total family income (n = 109) | |
| Less than $5,000 | 5 (4.6) |
| $5,000–$49,999 | 34 (31.2) |
| $50,000 or more | 65 (59.6) |
| Prefer not to answer/doesn't know | 5 (4.6) |
| WIC eligible (n = 111) | |
| Yes | 35 (31.5) |
| No | 71 (64.0) |
| Unsure | 5 (4.5) |
| Maternal age in years (n = 111) | 30.71 ± 6.37 |
| Infant birth weight (g) (n = 123)b | 985.49 ± 263.14 |
| Infant gestational age (weeks) (n = 111) | 27.40 ± 2.31 |
a
WIC, Women, Infants and Children.
b
Infant birth weight is the average birth weight of all infants born to study mothers; 146 infants were born to 111 mothers. Complete birth weight data were available for 123 infants.