Table 3.
a. Grade 1 | ||||||||
---|---|---|---|---|---|---|---|---|
Reading |
Math |
|||||||
B | SE | β | ΔR2 | B | SE | β | ΔR2 | |
W-J 4.5 years | .003 | .002 | .068* | .021*** | −.001 | .002 | −.023 | .004 |
Demographic characteristics | .006 | .002 | ||||||
Child sex | .160 | .061 | .080** | .027 | .065 | .014 | ||
Ethnicity | −.036 | .087 | −.013 | .050 | .095 | .018 | ||
Family income/needs G1 | −.016 | .011 | −.049 | .001 | .011 | .002 | ||
Child social skills – teacher G1 | .031 | .002 | .427*** | .171*** | .022 | .003 | .293*** | .078*** |
Adj. R2 = .192, F (5, 866) = 42.61, p < .001 | Adj. R2 = .079, F (5, 862) = 15.85, p < .001 | |||||||
b. Grade 3 | ||||||||
Reading |
Math |
|||||||
B | SE | β | ΔR2 | B | SE | β | Δ R2 | |
W-J 4.5 years | .003 | .002 | .068* | .028*** | .005 | .002 | .084* | .031*** |
Demographic characteristics | .018** | .006 | ||||||
Child sex | .185 | .064 | .094** | .099 | .067 | .050 | ||
Ethnicity | .059 | .089 | .022 | −.018 | .097 | −.007 | ||
Family income/needs G3 | .008 | .010 | .030 | .011 | .010 | .038 | ||
Child social skills – teacher G3 | .028 | .002 | .400*** | .150*** | .022 | .002 | .311*** | .089*** |
Adj. R2 = .187, F (5, 785) = 38.26, p < .001 | Adj. R2 = .120, F (5, 774) = 22.26, p < .001 | |||||||
c. Grade 5 | ||||||||
Reading |
Math |
|||||||
B | SE | β | Δ R2 | B | SE | β | Δ R2 | |
W-J 4.5 years | .003 | .002 | .067* | .038*** | .007 | .002 | .140*** | .031*** |
Demographic characteristics | .040*** | .013* | ||||||
Child sex | .293 | .062 | .150*** | .178 | .070 | .090* | ||
Ethnicity | .037 | .088 | .014 | −.242 | .101 | −.089* | ||
Family income/needs G5 | .012 | .009 | .049 | .000 | .010 | −.001 | ||
Child social skills – teacher G5 | .029 | .002 | .426*** | .164*** | .014 | .003 | .204*** | .037*** |
Adj. R2 = .237, F (5, 755) = 48.20, p < .001 | Adj. R2 = .072, F (5, 747) = 13.31, p < .001 |
p < .05,
p < .01,
p < .001
W-J = Woodcock Johnson; G1 = Grade 1; G3 = Grade 3; G5 = Grade 5