Table 3.
Relative risk (95% confidence intervals) of reporting disease by cohort and by socio-demographic factors, adjusted for all other variables in the model
| Model 1: Number of chronic conditions | Model 2: Arthritis | Model 3: Chronic airways obstruction | |
| Cohort | |||
| 1996/7 vs. 1991/2 | 1.35 (1.10 to 1.65) | 1.42 (1.14 to 1.78) | 1.35 (1.02 to 1.77) |
| Sociodemographics | |||
| Sex | |||
| Females vs. Males | 1.39 (1.12 to 1.72) | 1.87 (1.47 to 2.37) | 1.07 (0.80 to 1.43) |
| Age (1 year increase) | 1.11 (1.04 to 1.20) | 1.08 (1.00 to 1.17) | 1.02 (0.93 to 1.12) |
| Living status | |||
| Lives alone | 1 | 1 | 1 |
| Lives with spouse | 1.16 (0.90 to 1.49) | 1.05 (0.79 to 1.39) | 1.09 (0.77 to 1.54) |
| Lives with others | 0.91 (0.60 to 1.38) | 1.05 (0.66 to 1.67) | 0.91 (0.51 to 1.63) |
| Education | |||
| 12+ years | 1 | 1 | 1 |
| 10 – 11 years | 0.68 (0.47 to 0.97) | 0.77 (0.51 to 1.14) | 0.77 (0.46 to 1.27) |
| 0 – 9 years | 1.21 (0.88 to 1.67) | 1.16 (0.82 to 1.66) | 1.00 (0.64 to 1.54) |
| Social class* | |||
| I & II | 1 | 1 | 1 |
| III | 1.13 (0.89 to 1.44) | 1.05 (0.86 to 1.37) | 1.20 (0.85 to 1.68) |
| IV & V | 1.30 (0.97 to 1.74) | 1.03 (0.75 to 1.43) | 1.53 (1.03 to 2.26) |
| Armed forces/missing | 1.23 (0.63 to 2.39) | 1.14 (0.52 to 2.48) | 1.58 (0.64 to 3.87) |
| Smoking status | |||
| Never smoker | 1 | 1 | 1 |
| Current smoker | 1.39 (1.09 to 1.76) | 1.16 (0.88 to 1.51) | 1.51 (1.08 to 2.10) |
| Ex-smoker | 0.93 (0.70 to 1.24) | 0.94 (0.68 to 1.30) | 1.28 (0.85 to 1.92) |
*I & II: Professional & managerial or technical; III: Manual & non-manual; IV & V: Partly & unskilled