Regression coefficients or odds ratios and 95% confidence intervals of baseline characteristics per sibling adjusted for age and socioeconomic variables
| Adjusted for | ||||
|---|---|---|---|---|
| Age | Age and adult socioeconomic measures* | Age and childhood socioeconomic measures† | Age and all socioeconomic measures*† | |
| *Adult social class, deprivation category, and regular car driver. †Father’s social class, age leaving full time education. | ||||
| % angina | 1.04 (0.99 to 1.08) | 1.01 (0.97 to 1.05) | 1.01 (0.97 to 1.05) | 1.00 (0.96 to 1.05) |
| % ECG ischaemia | 0.98 (0.94 to 1.03) | 0.97 (0.93 to 1.02) | 0.98 (0.93 to 1.02) | 0.97 (0.93 to 1.02) |
| % MRC bronchitis | 1.17 (1.11 to 1.24) | 1.11 (1.04 to 1.18) | 1.11 (1.05 to 1.19) | 1.09 (1.03 to 1.17) |
| Height (cm) | −0.49 (−0.56 to −0.42) | −0.21 (−0.28 to −0.14) | −0.27 (−0.34 to −0.20) | −0.17 (−0.24 to −0.10) |
| Body mass index (kg/m2) | 0.02 (−0.01 to 0.05) | 0.02 (−0.02 to 0.05) | −0.0006 (−0.03 to 0.03) | 0.008 (−0.03 to 0.04) |
| % obese (BMI≥30 kg/m2) | 1.03 (0.99 to 1.08) | 1.01 (0.96 to 1.05) | 1.01 (0.97 to 1.06) | 1.00 (0.96 to 1.05) |
| Adjusted FEV1 (%) | −0.83 (−1.03 to −0.63) | −0.32 (−0.53 to −0.11) | −0.44 (−0.65 to −0.23) | −0.27 (−0.48 to −0.05) |
| Adjusted FVC (%) | −0.49 (−0.64 to −0.34) | −0.20 (−0.35 to −0.04) | −0.26 (−0.41 to −0.10) | −0.16 (−0.32 to −0.004) |
| Cholesterol (mmol/l) | −0.04 (−0.05 to −0.03) | −0.009 (−0.02 to 0.002) | −0.02 (−0.03 to −0.01) | −0.006 (−0.02 to 0.01) |
| Systolic blood pressure (mm Hg) | 0.19 (0.02 to 0.37) | −0.10 (−0.29 to 0.08) | 0.02 (−0.17 to 0.20) | −0.11 (−0.29 to 0.08) |
| Diastolic blood pressure (mm Hg) | 0.08 (−0.03 to 0.18) | −0.03 (−0.14 to 0.08) | −0.009 (−0.12 to 0.10) | −0.04 (−0.16 to 0.07) |
| % never smoked | 0.94 (0.91 to 0.96) | 0.96 (0.93 to 0.99) | 0.95 (0.92 to 0.98) | 0.96 (0.93 to 0.99) |
| % current cigarette smoker | 1.09 (1.06 to 1.11) | 1.03 (1.01 to 1.06) | 1.06 (1.03 to 1.08) | 1.03 (1.01 to 1.06) |
| Age started smoking (current) (y) | −0.16 (−0.22 to −0.11) | −0.08 (−0.14 to −0.02) | −0.07 (−0.13 to −0.01) | −0.06 (−0.12 to 0.002) |
| Age started smoking (ex) (y) | −0.09 (−0.16 to −0.01) | 0.008 (−0.07 to 0.09) | 0.02 (−0.06 to 0.10) | 0.03 (−0.05 to 0.11) |
| Alcohol consumed per week (units) | 0.84 (0.68 to 1.00) | 0.45 (0.29 to 0.62) | 0.69 (0.52 to 0.85) | 0.48 (0.32 to 0.65) |