Table 2.
Mean (SD) and range for maternal education and Hollingshead Index for full sample and lower-SES and higher-SES sub-groups
| All participants | Lower SES | Higher SES | ||||
|---|---|---|---|---|---|---|
| Maternal Eda | 15.3 (2.4) | 10 - 18 | 13.7 (2.2) | 10 - 18 | 16.7 (1.6) | 12 - 18 |
| HIb | 46.6 (15.1) | 14 - 66 | 33.9 (10.1) | 14 - 45 | 58.3 (7.3) | 47 - 66 |
a
Reported years of maternal education defined as high school = 12 years; college = 13 - 16 years; post-baccalaureate = 17 - 18 years.
b
Hollingshead 4-factor Index of Social Status (HI, Hollingshead, 1975). Possible scores range from 8 - 66. SES sub-groups were based on a median split of HI.