Table 1.
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).