Table 1.
Demographics comparing included and ineligible EBFS mothers
| Included mothers (N=192)
|
Excluded mothers (N=41)
|
p valuea | |||||
|---|---|---|---|---|---|---|---|
| N | Mean | SD | N | Mean | SD | ||
| Age | 192 | 42.9 | 5.7 | 41 | 41.9 | 5.2 | 0.3240 |
|
|
|
||||||
| N | Frequency | Percent | N | Frequency | Percent | ||
|
|
|
||||||
| % prenatal smokers | 191 | 102 | 53.4 % | 41 | 16 | 39.0 % | 0.0947 |
| High school grad or GED | 192 | 171 | 89.1 % | 41 | 37 | 90.2 % | 0.8244 |
|
|
|
||||||
| N | Median | N | Median | ||||
|
|
|
||||||
| Years of education | 191 | 12 | 41 | 12 | 0.9132 | ||
| Income | 184 | $40,001–50,000 | 40 | $30,001–40,000 | 0.1261 | ||
a
Differences in continuous traits between included and excluded mothers were tested using a two-sample t-test. Differences in categorical traits were tested with a Chi-square test. Differences in non-normal or ordinal traits (i.e., years of education and income) were tested using a Mann–Whitney U test