Table 2.
Associations of covariates with adult socioeconomic position: ORs and 95 % CIs
| Educational attainment in adulthood | ||||
|---|---|---|---|---|
| Upper tertiary | Lower tertiary | Upper secondary | Basic or less or unknown | |
| Year or birth | Ref. | .98 (.96–1.00) | 1.01 (.99–1.03) | .94 (.92–.96) |
| Sex (female vs. male) | Ref. | 1.56 (1.36–1.78) | 1.43 (1.25–1.63) | 1.85 (1.63–2.10) |
| Birth order (later vs. firstborn) | Ref. | 1.24 (1.08–1.42) | 1.37 (1.20–1.57) | 1.75 (1.55–1.98) |
| Birth weight (kg) | Ref. | 1.04 (.90–1.19) | .92 (.80–1.06) | .91 (.80–1.04) |
| Mother’s age | Ref. | .99 (.98–1.00) | .97 (.96–.99) | .99 (.97–1.00) |
| Length of gestation (weeks) | Ref. | 1.00 (.96–1.03) | .99 (.96–1.03) | 1.01 (.98–1.04) |
| Evacuation abroad without parents during World War II | Ref. | 1.27 (1.00–1.62) | 1.70 (1.35–2.15) | 1.84 (1.47–2.29) |
| Mother’s occupation (clerical vs. manual worker) | Ref. | .54 (.46–.62) | .25 (.21–.29) | .23 (.20–.26) |
| Occupational status in adulthood | ||||
| High official | Low official | Self-employed | Manual worker | |
| Year or birth | Ref. | 1.03 (1.01–1.06) | 1.03 (1.00–1.06) | 1.04 (1.02–1.06) |
| Sex (female vs. male) | Ref. | 3.65 (3.23–4.13) | 1.48 (1.27–1.73) | .97 (.86–1.09) |
| Birth order (later vs. firstborn) | Ref. | 1.12 (.99–1.26) | 1.27 (1.09–1.48) | 1.43 (1.27–1.61) |
| Birth weight (kg) | Ref. | .98 (.86–1.11) | 1.01 (.93–1.28) | .88 (.78–1.00) |
| Mother’s age | Ref. | 1.00 (.98–1.01) | .99 (.98–1.01) | .99 (.98–1.00) |
| Length of gestation (weeks) | Ref. | .99 (.96–1.03) | 1.02 (.98–1.06) | 1.01 (.98–1.04) |
| Evacuation abroad without parents during World War II | Ref. | 1.51 (1.23–1.85) | 1.36 (1.05–1.76) | 1.79 (1.47–2.18) |
| Mother’s occupation (clerical vs. manual worker) | Ref. | .50 (.44–.57) | .58 (.49–.68) | .24 (.21–.28) |
| Income in adulthood | ||||
| Highest third | Intermediate third | Lowest third | ||
| Year or birth | Ref. | 1.08 (1.06–1.09) | .96 (.95–.98) | |
| Sex (female vs. male) | Ref. | .93 (.86–1.02) | .99 (.91–1.08) | |
| Birth order (later vs. firstborn) | Ref. | 1.14 (1.04–1.24) | 1.30 (1.19–1.42) | |
| Birth weight (kg) | Ref. | .83 (.76–.91) | .81 (.74–.89) | |
| Mother’s age | Ref. | 1.00 (.99–1.01) | 1.00 (.99–1.01) | |
| Length of gestation (weeks) | Ref. | 1.01 (.98–1.03) | .98 (.96–1.01) | |
| Evacuation abroad without parents during World War II | Ref. | 1.09 (.94–1.26) | 1.25 (1.09–1.43) | |
| Mother’s occupation (clerical vs. manual worker) | Ref. | .57 (.52–.63) | .45 (.41–.50) | |
All models are adjusted for year of birth and sex
OR odds ratio, CI confidence intervals