|
SEMLA
|
DIL
|
Control
|
---|
Children, n = 431
|
137a
|
155a
|
139a
|
Child characteristics
|
% boy, n = 431
|
54
|
47
|
46
|
Mean age in months (SD), n = 417
|
62 (6)
|
61 (7)
|
63 (7)
|
% multilingual, n = 431
|
53
|
27
|
22
|
Family characteristics
|
SES, median, n = 393
|
7
|
8
|
9
|
% two-parent household, n = 431
|
89
|
88
|
91
|
Preschool attendance
|
Mean age at preschool start (SD), n = 411
|
18 (9)
|
18 (6)
|
17 (5)
|
Mean preschool hours/week (SD), n = 370
|
37 (7)
|
37 (6)
|
39 (6)
|
- a. Note: The uneven group sizes arose because preschool units have different sizes