Co-twin case–control analysis of twins discordant for hypertension in relation to their SES in adulthood
| SES in adulthood | Hypertensive twin | Healthy co-twin | Crude, OR (95% CI) | Adjusted 1, OR (95% CI) | Adjusted 2, OR (95% CI) |
| Low SES* | 250 | 235 | 1.00 | 1.00 | 1.00 |
| High SES | 128 | 136 | 0.80 (0.55 to 1.15) | 0.79 (0.54 to 1.15) | 0.79 (0.50 to 1.25) |
| Self-employed worker | 13 | 28 | 0.36 (0.16 to 0.79) | 0.36 (0.16 to 0.81) | 0.29 (0.11 to 0.78) |
| Missing | 16 | 8 | |||
| Total number | 407 | 407 | 790 | 785 | 646 |
Only twins with low parental SES are presented.
Adjusted 1 for birth weight.
Adjusted 2 for birth weight and adult characteristics; height, body mass index, alcohol consumption and smoking.
↵* Reference group.
SES, socioeconomic status.