Table 2.
Maternal and Family Demographic Characteristics by Intervention Group
| Characteristic | PALS I-II | PALS I-DAS II | DAS I-PALS II | DAS I-II |
|---|---|---|---|---|
| Mean age in years | 31.2 (6.1)a | 29.4 (6.0)a | 28.9 (6.7)b | 28.3 (5.5)b |
| Mean education in years | 11.9 (3.3) | 12.8 (2.4) | 12.2 (2.2) | 12.6 (2.5) |
| Mean SES | 35.3 (19.3) | 33.0 (16.8) | 31.6 (14.6) | 34.4 (13.3) |
| Mean siblings | 1.6 (0.3) | 0.8 (0.6) | 1.1 (0.3) | 0.9 (0.3) |
| Marital status (%) | 62 | 51 | 49 | 52 |
| Ethnicity (%) | ||||
| African American | 25 | 42 | 35 | 33 |
| Hispanic | 47 | 39 | 32 | 39 |
| Caucasian | 28 | 19 | 27 | 24 |
| Other | 0 | 0 | 6 | 4 |
| n | 34 | 33 | 50 | 49 |
Note. Values in parentheses represent the group standard deviation. PALS = Playing and Learning Strategies; DAS = Developmental Assessment Screening; I = intervention in infancy; II = intervention in toddler-preschool period; SES = socioeconomic status based on Hollingshead (1975) Four Factor Scale; Siblings = number of siblings in the home; marital status = percentage of mothers who were married. Means having the same subscript are not significantly different.