Years of birth | Boys | Girls | Boys and girls combined | ||||||
---|---|---|---|---|---|---|---|---|---|
Regression coefficient | SE | p Value | Regression coefficient | SE | p Value | Regression coefficient | SE | p Value | |
1970–1977 | −0.06 | 0.07 | 0.329 | −0.13 | 0.06 | 0.044 | −0.10 | 0.05 | 0.045 |
1977–1984 | 0.06 | 0.06 | 0.286 | 0.17 | 0.05 | 0.003 | 0.11 | 0.04 | 0.008 |
1984–1991 | 0.54 | 0.06 | <0.001 | 0.25 | 0.05 | <0.001 | 0.40 | 0.04 | <0.001 |
1991–1998 | 0.21 | 0.05 | 0.001 | 0.19 | 0.05 | 0.001 | 0.20 | 0.04 | <0.001 |
1998–2006 | −0.24 | 0.05 | <0.001 | −0.19 | 0.05 | 0.001 | −0.22 | 0.04 | <0.001 |
Constant | 128.60 | 254.97 | 192.54 |