Table 2

Hazard ratios of homicide mortality risks, US adults aged 18 to 50, national health interview survey 1986 to 1994, follow up to 1997*

Model 1Model 2Model 3Model 4
HR95% CIHR95% CIHR95% CIHR95% CI
Source: 1986–1997 NHIS-NDI linked file. *Etimates are presented as hazard ratios (HR) and 95% confidence intervals (CI); †model 2 fits significantly better than model 1 (χ2 = 170, df = 10, p⩽0.05); ‡model 3 fits significantly better than model 1 (χ2 = 37, df = 6, p⩽0.05); §model 4 fits significantly better than model 1 (χ2 = 189, df = 16, p⩽0.05), model 2 (χ2 = 19, df = 10, p⩽0.05), and model 3 (χ2 = 152, df = 6, p⩽0.05).
Race/ethnicity
    Non-Hispanic black5.603.47 to 9.033.311.97 to 5.573.141.87 to 5.262.341.38 to 3.96
    Mexican American3.132.30 to 4.251.851.38 to 2.472.411.68 to 3.471.661.18 to 2.33
    Non-Hispanic whiterefrefrefref
Sex (male = 1)2.381.97 to 2.862.452.01 to 2.992.411.99 to 2.922.472.01 to 3.03
Sex by race/ethnic interactions
    Non-Hispanic black by male1.490.86 to 2.561.560.89 to 2.781.540.90 to 2.541.580.90 to 2.79
    Mexican American by male2.811.73 to 4.543.021.84 to 4.982.821.75 to 4.533.031.86 to 4.95
    Non-Hispanic white by malerefrefrefref
Individual risk factors
Age (continuous)0.980.97 to 1.000.980.97 to 1.00
Nativity
    Native bornrefref
    Foreign born1.100.80 to 1.511.240.88 to 1.76
    Missing1.060.91 to 1.241.060.91 to 1.24
Marital status
    Currently marriedrefref
    Previously married1.831.33 to 2.501.761.29 to 2.40
    Never married2.631.82 to 3.812.611.79 to 3.81
Employment status
    Employedrefref
    Unemployed1.871.39 to 2.521.841.37 to 2.48
    Not in the labour force1.761.42 to 2.171.751.43 to 2.16
Income to needs ratio0.990.98 to 0.990.990.98 to 0.99
Education
    Less than high school degree2.021.46 to 2.811.931.41 to 2.66
    High school degree1.651.51 to 1.791.601.46 to 1.74
    Any collegerefref
Neighbourhood risk factors
Economic inequality
    <0.50refref
    ⩾0.501.481.12 to 1.951.311.01 to 1.71
Poverty
    <15%refref
    ⩾15%1.211.12 to 1.300.920.83 to 1.02
Mexican American
    <4%refref
    ⩾4%1.371.09 to 1.721.391.03 to 1.86
Non-Hispanic black
    <10%refref
    ⩾10%1.491.21 to 1.831.461.18 to 1.80
Single parent household
    <20%refref
    ⩾20%1.361.25 to 1.481.191.09 to 1.30
Foreign born
    <10%refref
    ⩾10%0.670.52 to 0.860.650.49 to 0.86
Log likelihood−2436−2351†−2418‡−2342§