Association between body mass index and neighbourhood deprivation—multilevel linear regression
| Coefficient (95% CI) | |||
|---|---|---|---|
| Model 1 | Model 2 | Model 3 | |
| Fixed part | |||
| Age (years) | 0.348 (0.324 to 0.371) | 0.348 (0.324 to 0.371) | 0.369 (0.343 to 0.396) |
| Age2 | −0.003 (−0.003 to −0.003) | −0.003 (−0.003 to −0.003) | −0.003 (−0.004 to −0.003) |
| Gender (ref: male) | |||
| Female | −0.538 (−0.699 to −0.376) | ||
| Neighbourhood disadvantage (ref: quintile 1) | |||
| Quintile 2 | 0.759 (0.411 to 1.107) | ||
| Quintile 3 | 1.300 (0.954 to 1.647) | ||
| Quintile 4 | 1.677 (1.335 to 2.020) | ||
| Quintile 5 | 1.857 (1.513 to 2.200) | ||
| Gender×neighbourhood disadvantage | |||
| (ref: male×quintile 1) | |||
| Male×quintile 2 | 0.406 (−0.032 to 0.845) | 0.196 (−0.243 to 0.634) | |
| Male×quintile 3 | 0.927 (0.486 to 1.369) | 0.637 (0.193 to 1.081) | |
| Male×quintile 4 | 1.263 (0.827 to 1.700) | 0.916 (0.474 to 1.359) | |
| Male×quintile 5 | 1.087 (0.651 to 1.522) | 0.698 (0.253 to 1.144) | |
| Female×quintile 1 | −1.261 (−1.621 to −0.902) | −1.287 (−1.647 to −0.927) | |
| Female×quintile 2 | −0.184 (−0.614 to 0.247) | −0.378 (−0.809 to 0.053) | |
| Female×quintile 3 | 0.376 (−0.051 to 0.803) | 0.126 (−0.303 to 0.555) | |
| Female×quintile 4 | 0.788 (0.363 to 1.212) | 0.457 (0.026 to 0.888) | |
| Female×quintile 5 | 1.295 (0.866 to 1.723) | 0.920 (0.480 to 1.359) | |
| Couple status (ref: yes) | |||
| No | −0.208 (−0.430 to 0.014) | ||
| Missing | 0.792 (−1.731 to 3.315) | ||
| Highest educational qualification (ref: ≤year 11) | |||
| Year 12 to adv. Diploma | −0.182 (−0.397 to 0.033) | ||
| University | −1.065 (−1.333 to −0.797) | ||
| Missing | −1.198 (−4.898 to 2.501) | ||
| Percentage of previous year spent unemployed (ref: 0%) | |||
| 1–24 | 0.149 (−0.320 to 0.618) | ||
| 25–49 | 0.428 (−0.166 to 1.022) | ||
| 50–74 | 0.554 (−0.202 to 1.309) | ||
| 75–100 | 0.030 (−0.573 to 0.633) | ||
| Disposable household income (ref: quintile 1) | |||
| Quintile 2 | −0.274 (−0.592 to 0.043) | ||
| Quintile 3 | −0.188 (−0.529 to 0.153) | ||
| Quintile 4 | −0.231 (−0.586 to 0.123) | ||
| Quintile 5 | −0.453 (−0.819 to −0.087) | ||
| Random part | |||
| Level 3 (census collection district) | 1.202 (0.252) | 1.195 (0.251) | 1.032 (0.241) |
| Variance partition coefficient* | 3.9% | ||
| Level 2 (Household) | 7.225 (0.431) | 7.286 (0.430) | 7.081 (0.425) |
| Variance partition coefficient* | 23.5% | ||
| Level 1 (Person) | 22.337 (0.379) | 22.236 (0.377) | 22.317 (0.378) |
| Variance partition coefficient* | 72.6% | ||
Body mass index measured in kg/m2.
*Variance partition coefficient presented for model 1 only.