Table 3 Incident Rate Ratio (IRR) for Emergency Department (ED) visits by quintile of percent black population stratified by sex
Sex | % Black in the Block Area | Model 1: Unadjusted IRR | Model 2: IRR adjusted for socio-demographic variablesa | Model 3: IRR adjusted for socio-demographic and clinical variablesb |
|---|---|---|---|---|
Male | Q1 | 1.0 (Reference) | 1.0 (Reference) | 1.0 (Reference) |
Q2 | 1.07 (0.92–1.25) | 1.09 (0.93–1.27) | 1.15 (0.97–1.34) | |
Q3 | 1.16 (1.00–1.35) | 1.19 (1.02–1.39) | 1.29 (1.10–1.51) | |
Q4 | 1.25 (1.07–1.46) | 1.28 (1.09–1.51) | 1.36 (1.15–1.61) | |
Q5 | 1.20 (1.03–1.40) | 1.21 (1.03–1.42) | 1.25 (1.05–1.49) | |
p-trend | 0.004 | 0.003 | 0.001 | |
Female | Q1 | 1.0 (Reference) | 1.0 (Reference) | 1.0 (Reference) |
Q2 | 1.07 (0.89–1.28) | 1.07 (0.89–1.29) | 1.12 (0.92–1.36) | |
Q3 | 0.85 (0.71–1.02) | 0.86 (0.72–1.03) | 0.89 (0.72–1.05) | |
Q4 | 1.03 (0.86–1.24) | 1.04 (0.86–1.25) | 1.15 (0.93–1.39) | |
Q5 | 1.08 (0.90–1.29) | 1.18 (0.98–1.42) | 1.21 (0.97–1.46) | |
p-trend | 0.48 | 0.20 | 0.10 |