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Table 2 Predicting educational achievement and health status

From: Adolescent outcomes and opportunities in a Canadian province: looking at siblings and neighbors

   Language arts index Health status (ADG morbidity score)
   R-square: .200 R-square: .043
Predictors % Beta p Beta p
Maternal age at first birth: 15 and under 1.83% -0.237 <.0001 0.154 0.3173
16–17 7.71% -0.187 <.0001 -0.004 0.9671
18–19 13.46% -0.113 <.0001 -0.066 0.3711
20–21 (reference) 15.13% 0.000 -- 0.000 --
22–23 16.11% 0.138 <.0001 0.090 0.1991
24–25 15.53% 0.259 <.0001 0.238 0.0008
26 and over 29.80% 0.356 <.0001 0.332 <.0001
Missing 0.43% -0.339 <.0001 -0.492 0.2956
Group p-value (7 df)    <.0001   <.0001
Number of residential moves between age 8 and 17.5:      
Zero (reference) 56.22% 0.000 -- 0.000 --
One 24.00% -0.026 0.0001 0.386 <.0001
Two 9.79% -0.117 <.0001 0.730 <.0001
Three 4.54% -0.190 <.0001 1.147 <.0001
Four 2.33% -0.245 <.0001 1.422 <.0001
Five or more 3.12% -0.297 <.0001 2.432 <.0001
Group p-value (5 df)    <.0001   <.0001
Birth order 2.02a -0.044 <.0001 -0.038 0.0777
Number of children in family 3.05a -0.104 <.0001 -0.670 <.0001
Married at birth of child 81.51% 0.306 <.0001 0.199 0.0005
Missing marital status 0.70% 0.166 0.0015 -0.283 0.4435
Not on Income Assistance age 8 to 17.5 88.87% 0.341 <.0001 -1.910 <.0001
N   105,438   105,438  
  1. aMean value.
  2. The full sample of children born from 1978 to 1987 (except those born in 1983) was included in this table.