Control Variables Used in Analysis
Mean | Standard Deviation | |
---|---|---|
Birth weight 0–999 grams | 0.001 | |
Birth weight 1,000–1,499 grams | 0.003 | |
Birth weight 1,500–2,499 grams | 0.043 | |
Birth weight 2,500–3,499 grams | 0.476 | |
Congenital/perinatal 0–3 | 0.156 | |
Number of congenital/perinatal 0–3 | 0.222 | 0.587 |
Congenital/perinatal 4–8 | 0.016 | |
Number of congenital/perinatal 4–8 | 0.027 | 0.263 |
Congenital/perinatal 9–13 | 0.012 | |
Number of congenital/perinatal 9–13 | 0.019 | 0.209 |
Congenital/perinatal 14–18 | 0.013 | |
Number of congenital/perinatal 14–18 | 0.019 | 0.208 |
Mother married at birth | 0.843 | |
Mother < 20 at birth | 0.073 | |
Mother > = 20, < 25 at birth | 0.298 | |
Mother > = 25, < 35 at birth | 0.581 | |
Mother 35 + at birth | 0.048 | |
Child male | 0.514 | |
Child first born | 0.308 | |
Child second born | 0.377 | |
Child third born | 0.191 | |
Child fourth born | 0.072 | |
Child fifth born or higher | 0.052 | |
Number of children in family = 2 | 0.294 | |
Number of children in family = 3 | 0.342 | |
Number of children in family = 4 | 0.18 | |
Number of children in family = 5 | 0.184 | |
Birth year 1979 | 0.076 | |
Birth year 1980 | 0.1 | |
Birth year 1981 | 0.119 | |
Birth year 1982 | 0.154 | |
Birth year 1984 | 0.171 | |
Birth year 1985 | 0.139 | |
Birth year 1986 | 0.118 | |
Birth year 1987 | 0.123 | |
Number of observations | 50,404 |