β | p | ∆R2 | |
Step 1 | |||
Height in metres | 0.40 | <0.001 | |
Weight in kilograms | −0.03 | 0.035 | |
Age at medical examination in years | −0.15 | <0.001 | |
Units of alcohol per week | −0.03 | 0.015 | |
Ethnicity | −0.09 | <0.001 | |
Place of service | −0.02 | 0.123 | |
Smoking status | −0.17 | <0.001 | |
Education grade | −0.02 | 0.248 | |
Household income midlife | 0.02 | 0.325 | |
Marital status | 0.01 | 0.430 | |
Physician-diagnosed chronic disease | −0.05 | <0.001 | 0.238 |
Step 2 | |||
Standardised IQ score from enlistment | 0.12 | <0.001 | 0.008 |