Associations between co-occurrence index and sociodemographic circumstances at age 11 (n=11 399)
| Unadjusted relative risk ratio (95% CI) | Mutually adjusted relative risk ratio (95% CI) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4+ | 0 | 1 | 2 | 3 | 4+ | |
| Prevalence (%) | 22.1 | 35.2 | 25.2 | 11.8 | 5.7 | 22.1 | 35.2 | 25.2 | 11.8 | 5.7 |
| Sex (ref: boys) | ||||||||||
| Girls | 1.06 (0.96 to 1.18) | 1.00 | 0.88 (0.79 to 0.97) | 0.78 (0.68 to 0.90) | 0.56 (0.45 to 0.70) | 1.06 (0.96 to 1.18) | 1.00 | 0.88 (0.79 to 0.97) | 0.78 (0.68 to 0.90) | 0.56 (0.45 to 0.70) |
| Ethnicity (ref: white) | ||||||||||
| Mixed | 0.87 (0.60 to 1.27) | 1.00 | 1.03 (0.94 to 1.82) | 0.92 (0.58 to 1.47) | 1.72 (1.06 to 2.82) | 0.89 (0.61 to 1.29) | 1.00 | 1.28 (0.92 to 1.78) | 0.89 (0.56 to 1.42) | 1.61 (0.99 to 2.63) |
| Indian | 0.93 (0.60 to 1.46) | 1.00 | 0.92 (0.65 to 1.31) | 0.94 (0.41 to 2.18) | 0.57 (0.24 to 1.35) | 0.91 (0.58 to 1.43) | 1.00 | 0.91 (0.64 to 1.30) | 0.92 (0.40 to 2.10) | 0.54 (0.23 to 1.30) |
| Pakistani | 0.93 (0.60 to 1.17) | 1.00 | 0.81 (0.65 to 1.02) | 0.55 (0.38 to 0.80) | 0.55 (0.34 to 0.90) | 1.02 (0.80 to 1.30) | 1.00 | 0.73 (0.57 to 0.94) | 0.45 (0.30 to 0.68) | 0.40 (0.25 to 0.67) |
| Black | 0.92 (0.71 to 1.19) | 1.00 | 0.93 (0.68 to 1.27) | 0.76 (0.41 to 1.42) | 0.83 (0.50 to 1.39) | 0.94 (0.72 to 1.22) | 1.00 | 0.87 (0.64 to 1.20) | 0.70 (0.37 to 1.30) | 0.71 (0.41 to 1.20) |
| Other | 0.81 (0.52 to 1.27) | 1.00 | 0.87 (0.47 to 1.61) | 0.59 (0.27 to 1.27) | 0.22 (0.09 to 0.54) | 0.82 (0.52 to 1.27) | 1.00 | 0.85 (0.46 to 1.56) | 0.54 (0.25 to 1.19) | 0.20 (0.09 to 0.46) |
| Mat. Ed. (ref: higher/degree) | ||||||||||
| Diploma | 0.98 (0.82 to 1.17) | 1.00 | 1.22 (1.04 to 1.57) | 0.85 (0.67 to 1.08) | 1.40 (0.96 to 2.17) | 0.98 (0.82 to 1.17) | 1.00 | 1.16 (1.02 to 1.53) | 0.81 (0.63 to 1.03) | 1.26 (0.90 to 1.76) |
| A-levels | 1.03 (0.86 to 1.25) | 1.00 | 1.13 (0.87 to 1.30) | 1.02 (0.77 to 1.33) | 1.42 (0.98 to 2.11) | 1.02 (0.84 to 1.23) | 1.00 | 1.05 (0.85 to 1.29) | 0.95 (0.70 to 1.27) | 1.30 (0.86 to 1.92) |
| GCSEs | 0.85 (0.75 to 1.00) | 1.00 | 1.24 (1.07 to 1.42) | 1.41 (1.19 to 1.68) | 1.64 (1.20 to 1.68) | 0.88 (0.75 to 1.02) | 1.00 | 1.07 (0.92 to 1.26) | 1.22 (0.99 to 1.52) | 1.23 (0.88 to 1.70) |
| None | 0.87 (0.71 to 1.06) | 1.00 | 1.22 (0.99 to 1.50) | 1.41 (1.10 to 1.82) | 1.98 (1.39 to 2.80) | 0.97 (0.78 to 1.22) | 1.00 | 1.06 (0.83 to 1.34) | 1.22 (0.90 to 1.63) | 1.38 (0.98 to 2.08) |
| Income (ref: Q1 (high)) | ||||||||||
| Q2 | 1.12 (0.95 to 1.32) | 1.00 | 1.08 (0.92 to 1.27) | 1.09 (0.88 to 1.36) | 1.02 (0.73 to 1.45) | 1.16 (0.98 to 1.38) | 1.00 | 1.05 (0.89 to 1.24) | 1.01 (0.83 to 1.32) | 0.92 (0.63 to 1.34) |
| Q3 | 1.08 (0.93 to 1.27) | 1.00 | 1.26 (1.06 to 1.50) | 1.37 (1.13 to 1.67) | 1.48 (1.10 to 2.00) | 1.16 (0.97 to 1.38) | 1.00 | 1.21 (1.00 to 1.46) | 1.22 (1.02 to 1.63) | 1.36 (0.96 to 1.94) |
| Q4 | 0.88 (0.72 to 1.06) | 1.00 | 1.31 (1.09 to 1.57) | 1.40 (1.12 to 1.77) | 1.77 (1.29 to 2.42) | 0.93 (0.76 to 1.15) | 1.00 | 1.23 (1.00 to 1.52) | 1.21 (0.93 to 1.59) | 1.56 (1.07 to 2.28) |
| Q5 (low) | 0.86 (0.71 to 1.05) | 1.00 | 1.30 (1.07 to 1.57) | 1.53 (1.24 to 1.89) | 1.91 (1.40 to 2.61) | 0.90 (0.71 to 1.54) | 1.00 | 1.23 (0.97 to 1.55) | 1.34 (1.01 to 1.77) | 1.72 (1.14 to 2.60) |
Mutually adjusted model: adjusted for all other covariates; bold indicates significant result.
GCSE: General Certificate of Secondary Education.