Table 5.
Coefficient | Standard error | t | P > |t| | Standardized coefficients | |
---|---|---|---|---|---|
Birth weight (kg) | 2.58 | 0.51 | 5.09 | 0.00 | 0.22 |
Length at birth (cm) | 0.23 | 0.22 | 1.02 | 0.31 | 0.04 |
Mother married | 0.73 | 4.44 | 0.16 | 0.87 | 0.01 |
Maternal age | 0.06 | 0.15 | 0.43 | 0.67 | 0.07 |
Square of maternal age | −0.00 | 0.00 | −0.00 | 1.00 | −0.00 |
Number of pregnancies | −0.27 | 0.14 | −1.97 | 0.05 | −0.09 |
Occupation Reference category: Professionals and managers | |||||
Clerical | 0.01 | 1.18 | 0.00 | 1.00 | 0.00 |
Sales | −0.63 | 1.36 | −0.46 | 0.64 | −0.03 |
Service | −0.12 | 1.63 | −0.07 | 0.94 | −0.00 |
Manufacturing workers | −1.16 | 1.07 | −1.09 | 0.28 | −0.10 |
Laborers | −1.44 | 1.40 | −1.03 | 0.30 | −0.06 |
Farmers | 0.31 | 1.76 | 0.18 | 0.86 | 0.01 |
Farm managers | −0.91 | 1.38 | −0.66 | 0.51 | −0.04 |
No occupation | −4.61 | 3.06 | −1.51 | 0.13 | −0.06 |
Education Reference category: Some primary schooling | |||||
Some high school | 0.71 | 0.62 | 1.15 | 0.25 | 0.05 |
Completed high school | 1.80 | 0.72 | 2.51 | 0.01 | 0.11 |
Some tertiary | −0.03 | 1.21 | −0.03 | 0.98 | −0.00 |
Tertiary qualification | 1.23 | 1.91 | 0.65 | 0.52 | 0.03 |
Unknown education | 3.84 | 1.43 | 2.68 | 0.01 | 0.10 |
Constant (cm) | 155.61 | 6.57 | 23.68 | 0.00 | . |
Observations | 664 | ||||
R-squared | 0.13 |
Note: Additional controls for exact year of birth omitted. Only men aged 21 or over included. Dependent variable: Adult height in centimetres recorded in World War II records