Table 4.
Summary measures of income, expenditure and SES inequality in relation to coexistence of mental health-related symptoms (n = 382).
| Participants' socio- economic characteristics | Inequality measures | Any one symptom | Any two symptoms | All three symptoms |
|---|---|---|---|---|
| Income | RII, RR (95% CI) | 0.89 (0.78–1.03) | 0.87 (0.72–1.08) | 1.05 (0.87–1.22) |
| SII, β-coeff. (95% CI) | −0.023 (−0.052–0.004) | −0.012 (−0.032–0.008) | 0.005 (−0.016–0.025) | |
| CIX*100 (95% CI) | −7.71 (−16.95–1.52) | −4.61 (−11.61–2.40) | 1.63 (−5.61–8.84) | |
| Expenditure | RII, RR (95% CI) | 0.84* (0.72–0.95) | 0.97 (0.79–1.19) | 1.23 (1.00–1.52) |
| SII, β-coeff. (95% CI) | −0.040**(−0.068–0.011) | −0.003 (−0.025–0.018) | 0.022 (−0.001–0.044) | |
| CIX*100 (95% CI) | −11.98* (−21.18–2.80) | −0.92 (−7.94–6.02) | 7.31 (1.01–16.53) | |
| SES | RII, RR (95% CI) | 0.74* (0.58–0.95) | 0.85 (0.60–1.22) | 1.25 (0.90–1.73) |
| SII, β-coeff. (95% CI) | −0.062* (−0.109–0.014) | −0.016 (−0.052–0.019) | 0.025 (−0.013–0.063) | |
| CIX*100 (95% CI) | −10.88* (−19.72–12.05) | −3.16 (−9.89–3.57) | 4.58 (−2.36–11.52) |
RII, Relative Inequality index; SII, Slope index of inequality; CIX, Concentration index; RR, Risk Ratio; 95% CI, 95% Confidence Interval.
Level of significance: *P < 0.05, **P < 0.01.