Table 4.
Multilevel linear regression models predicting BMI z-scores; N = 8011 in 672 census tracts
| Model 1 | Model 2 | Model 3 | Model 4 | |||||
|---|---|---|---|---|---|---|---|---|
| Coeff | 95% CI | Coeff | 95% CI | Coeff | 95% CI | Coeff | 95% CI | |
| Intercept | 0.36*** | 0.29–0.42 | 0.09 | − 0.07–0.26 | − 0.05 | − 0.35–0.73 | − 0.14 | − 0.43–0.16 |
| Patient-level | ||||||||
| Sociodemographic | ||||||||
| Age | 0.03*** | 0.02–0.03 | 0.03*** | − 0.14–0.02 | 0.03*** | 0.02–0.03 | ||
| Sex (girl, ref) | ||||||||
| Boy | − 0.07 | − 0.15–0.01 | − 0.06 | − 0.14–0.02 | − 0.06 | − 0.14–0.02 | ||
| Race/ethnicity (Latinx, ref) | ||||||||
| Non-Latinx White | − 0.32*** | − 0.44– − 0.19 | − 0.30*** | − 0.46– − 0.13 | − 0.15 | − 0.45–0.15 | ||
| Non-Latinx Black | − 0.34** | − 0.58– − 0.09 | − 0.39** | − 0.69– − 0.08 | − 0.25 | − 0.83–0.33 | ||
| Asian | − 0.56*** | − 0.72– − 0.39 | − 0.48*** | − 0.70– − 0.27 | − 0.23 | − 0.65–0.20 | ||
| Other Race | − 0.10 | − 0.22–0.02 | − 0.07 | − 0.23–0.10 | 0.11 | − 0.22–0.45 | ||
| Patient characteristics | ||||||||
| Health insurance (private provider, ref) | ||||||||
| Public provider | 0.15** | 0.05–0.26 | 0.10* | − 0.00–0.22 | 0.09 | − 0.03–0.21 | ||
| Admission type (elective, ref) | ||||||||
| Emergency | 0.04 | − 0.06–0.15 | 0.04 | − 0.06–0.14 | 0.04 | − 0.06–0.14 | ||
| Other | − 0.10 | − 0.15–0.07 | − 0.05 | − 0.15–0.06 | − 0.05 | − 0.15–0.06 | ||
| Diagnosis (endocrine, nutritional. and metabolic diseases, ref.) | ||||||||
| Bacterial and viral infection | 0.07 | − 0.05–0.19 | 0.07 | − 0.05–0.20 | 0.08 | − 0.04–0.20 | ||
| Diseases of the blood | − 0.12 | − 0.24–0.01 | − 0.11 | − 0.23–0.01 | − 0.11 | − 0.23–0.01 | ||
| Circulatory system | 0.02 | − 0.13–0.18 | 0.03 | − 0.13–0.19 | 0.04 | − 0.12–0.19 | ||
| Nervous system | 0.05 | − 0.07–0.16 | 0.08 | − 0.04–0.19 | 0.08 | − 0.04–0.20 | ||
| Congenital and chromosomal | − 0.33*** | − 0.46– − 0.20 | − 0.35*** | − 0.48– − 0.21 | − 0.35*** | − 0.48–0.22 | ||
| Digestive system | − 0.02 | − 0.12–0.07 | − 0.02 | − 0.12–0.07 | − 0.04 | − 0.13–0.06 | ||
| Genitourinary system | 0.19* | 0.04–0.35 | 0.16* | 0.01–0.32 | 0.16* | 0.01–0.32 | ||
| Musculoskeletal system | − 0.15* | − 0.28– − 0.01 | − 0.14* | − 0.28– − 0.01 | − 0.15* | − 0.28– − 0.01 | ||
| Respiratory system | − 0.09 | − 0.20–0.02 | − 0.09 | − 0.19–0.02 | − 0.09 | − 0.19–0.02 | ||
| Trauma, injury, poisoning | 0.05 | − 0.09–0.19 | 0.05 | − 0.09–0.19 | 0.06 | − 0.08–0.19 | ||
| Other diagnoses | 0.05 | − 0.05–0.15 | 0.05 | − 0.05–0.14 | 0.05 | − 0.05–0.14 | ||
| Length of stay | − 0.01*** | − 0.02– − 0.01 | − 0.01*** | − 0.02– − 0.01 | − 0.01** | − 0.02– − 0.01 | ||
| Pain levels | 0.04*** | 0.03–0.05 | 0.04*** | 0.02–0.05 | 0.03*** | 0.02–0.05 | ||
| Neighborhood-level | ||||||||
| Neighborhood (Middle-Class, ref) | ||||||||
| Advantaged | − 0.21 | − 0.42–0.01 | 0.01 | − 0.43–0.45 | ||||
| Working-Class | 0.06 | − 0.12–0.23 | 0.12 | − 0.12–0.35 | ||||
| Disadvantaged | 0.21* | 0.01–0.40 | 0.35** | 0.11–0.60 | ||||
| Neighborhood average race/ethnicity | 0.07 | − 0.01–0.15 | 0.05 | − 0.37–0.13 | ||||
| Neighborhood average health insurance | 0.05 | − 0.23–0.33 | 0.07 | − 0.21–0.35 | ||||
| Interaction effects (Latinx*Middle-Class, ref.) | ||||||||
| Non-Latinx White*Advantaged | − 0.28 | − 0.82–0.26 | ||||||
| Non-Latinx White*Working-Class | − 0.20 | − 0.62–0.23 | ||||||
| Non-Latinx White*Disadvantaged | − 0.10 | − 0.56–0.36 | ||||||
| Non-Latinx Black*Advantaged | − 0.27 | − 1.22–0.68 | ||||||
| Non-Latinx Black*Working-Class | − 0.16 | − 0.90–0.58 | ||||||
| Non-Latinx Black*Disadvantaged | 0.10 | − 0.92–1.11 | ||||||
| Asian*Advantaged | − 0.31 | − 0.95–0.34 | ||||||
| Asian*Working-Class | − 0.17 | − 0.71–0.37 | ||||||
| Asian*Disadvantaged | − 0.76* | − 1.43– − 0.08 | ||||||
| Other Race*Advantaged | − 0.27 | − 0.82–0.29 | ||||||
| Other Race*Working-Class | 0.04 | − 0.39–0.46 | ||||||
| Other Race*Disadvantaged | − 0.44* | − 0.86– − 0.01 | ||||||
| Random effects | ||||||||
| Intercept | 0.43*** | 0.36–0.51 | 0.26*** | 0.20–0.33 | 0.42*** | 0.34–0.51 | 0.41*** | 0.34–0.50 |
| BMI z-scores | 1.77*** | 1.71–0.82 | 1.79*** | 1.73–1.87 | 1.65*** | 1.58–1.72 | 1.64*** | 1.58–1.71 |
Source: Data are from the 2013–2018 electronic medical records and the 2014–2018 ACS
***p < 0.001, **p < 0.01, *p < 0.05