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Table 3 Summary of Blinder-Oaxaca decomposition analyses of joint inequality, referent socioeconomic inequality, and referent sexual orientation inequality in current cigarette smoking

From: What drives us apart? Decomposing intersectional inequalities in cigarette smoking by education and sexual orientation among U.S. adults

  Joint inequality: low-educated LGBQ adults (group1) vs. high –educated heterosexual adults (group2) Referent socio-economic inequality: low-educated heterosexual adults (group1) vs. high-educated heterosexual adults (group2) Referent sexual orientation inequality: high-educated LGBQ adults (group1) vs. high-educated heterosexual adults (group2)
Absolute Relative P value Absolute Relative P value Absolute Relative P value
Group1 24.21   < 0.001 29.85   < 0.001 27.53   < 0.001
Group2 17.30   < 0.001 17.30   < 0.001 17.30   < 0.001
Difference 6.90   0.015 12.55   < 0.001 10.23   < 0.001
Explained 7.00 101.4 < 0.001 7.80 62.1 < 0.001 8.21 80.2 < 0.001
unexplained −0.10 −1.4 0.946 4.75 37.9 < 0.001 2.02 19.8 0.025
Contributions
Socio-demographic factors −3.90 −55.7   −4.08 −52.3   0.93 11.3  
Gender −0.45 −6.4 0.08 0.31 4.0 0.007 −0.53 −6.4 0.001
Age 0.77 11.1 0.02 −0.74 −9.5 < 0.001 0.59 7.2 0.022
Race/ethnicity −5.03 −71.9 < 0.001 −4.59 −58.9 < 0.001 −0.80 −9.7 0.001
Marital status 0.81 11.6 0.008 0.94 12.0 < 0.001 1.66 20.3 < 0.001
Material conditions 9.86 140.9   10.01 128.4   4.91 59.8  
Annual household income 4.36 62.3 < 0.001 5.03 64.6 < 0.001 1.75 21.3 < 0.001
Employment status −0.75 −10.8 0.003 −1.04 −13.4 < 0.001 −0.16 −2.0 0.168
Receiving assistance 0.56 7.9 0.012 0.78 10.0 < 0.001 0.28 3.5 0.004
Housing 2.28 32.6 < 0.001 1.77 22.7 < 0.001 1.85 22.5 < 0.001
Health insurance 3.42 48.8 < 0.001 3.47 44.4 < 0.001 1.19 14.5 < 0.001
Marketing-related variables −1.09 −15.5   −0.37 −4.7   1.15 14.0  
Exposure to contextual-level targeting advertisement 0.00 −0.1 0.89 0.00 0.0 0.906 −0.01 −0.1 0.79
Exposure to targeted tobacco marketing −0.64 −9.2 0.016 −0.29 −3.7 0.189 0.93 11.3 0.004
Exposure to media advertisement −0.44 −6.2 0.094 −0.08 −1.0 0.501 0.23 2.8 0.076
Psychosocial factors 2.12 30.3   2.23 28.6   1.68 20.5  
Perceived quality of life 1.73 24.8 0.001 1.75 22.4 < 0.001 0.98 11.9 < 0.001
Satisfaction with social relations 0.39 5.5 0.082 0.48 6.2 < 0.001 0.71 8.6 < 0.001
  1. Bold numbers indicate absolute and relative contributions per group of variables (subtotal)