Table 1.
Demographics for Mothers and 1-Month Infants, Low-Risk Sample (N= 100), and Non-responders (N=30)
| Variable | N | % | Non-responders | % | p = |
|---|---|---|---|---|---|
| Infant Gender | |||||
| Male | 48 | 48 | 14 | 46.6 | 0.679 |
| Female | 52 | 52 | 16 | 53.3 | |
| Mother’s Education | |||||
| 1-12 yrs | 8 | 8.5 | 6 | 20 | |
| High School/GED | 7 | 7.4 | 5 | 16.6 | |
| Some College | 21 | 22.3 | 6 | 20 | 0.08 |
| Bachelor’s degree | 23 | 24.5 | 6 | 20 | |
| MS/MBA | 18 | 19.1 | 4 | 13.3 | |
| MD/PhD | 17 | 18.1 | 3 | 10 | |
| Mother’s Work Status | |||||
| Full-time | 60 | 63.8 | 18 | 60 | |
| Part-time | 20 | 21.3 | 7 | 23.3 | 0 .547 |
| No work | 14 | 14.9 | 5 | 16.6 | |
| Mother’s Race/Ethnicity | |||||
| White | 50 | 50 | 13 | 43.3 | |
| African American/Black | 15 | 15 | 16 | 53.3 | |
| Hispanic | 17 | 17 | 0 | 0.0 | 0.09 |
| Asian | 9 | 9 | 1 | 3.3 | |
| Other | 9 | 9 | 0 | 0.0 | |
| Mother’s Marital Status | |||||
| Single | 26 | 26 | 12 | 40 | |
| Married | 74 | 74 | 17 | 56.6 | 0.110 |
| Divorced | 0 | 0 | 1 | 3.3 | |
| Four-Factor Index of Social Status | |||||
| 1 (High SES) | 36 | 36 | 5 | 16.6 | |
| 2 | 31 | 31 | 11 | 36.6 | |
| 3 | 15 | 15 | 8 | 26.6 | 0.197 |
| 4 | 3 | 3 | 5 | 16.6 | |
| 5 (Low SES) | 15 | 15 | 1 | 3.3 | |
| Mean (SD) | Range | Mean (SD) | Range | ||
| Maternal Age (years) | 31 (5.4) | 19-41 yrs | 29.5 (5.2) | 19-40 | 0.19 |
| Infant Age (days) | 30.3 (2.9) | 25-35 days | NA | NA | |
| Birthweight (gms) | 3395 (542.3) | 2126 – 5525 | 3513.1(479.7) | 2637-4290 | 0.287 |
P values were based on the results of X2 analyses (categorical variables) or t-tests (continuous variables).