Table 3.
Summary of Blinder-Oaxaca decomposition analyses of joint inequality, referent socioeconomic inequality, and referent sexual orientation inequality in current cigarette smoking
| 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 |
Bold numbers indicate absolute and relative contributions per group of variables (subtotal)