Generalised ordered logistic regression model with alternative gamma parameterisation, Tanzania DHS-MIS 2015–2016 (n=13 266)
| Variable | POR (95% CI) | P values |
| Beta | ||
| Health insurance (ref: no) | ||
| Yes | 0.622 (0.531 to 0.731) | 0.000 |
| Residence (ref: urban) | ||
| Rural | 0.858 (0.728 to 1.012) | 0.069 |
| Age (continuous) | 1.010 (1.001 to 1.017) | 0.000 |
| Marital status (ref: never married) | ||
| Married/living together | 0.901 (0.801 to 1.014) | 0.085 |
| Divorced/separated/widowed | 1.418 (1.175 to 1.712) | 0.000 |
| Education (ref: none) | ||
| Primary | 0.883 (0.788 to 0.990) | 0.033 |
| Secondary | 0.683 (0.582 to 0.800) | 0.000 |
| Highest | 0.516 (0.360 to 0.741) | 0.000 |
| Wealth status (ref: poorest) | ||
| Poorer | 0.854 (0.726 to 1.006) | 0.059 |
| Middle | 0.725 (0.626 to 0.840) | 0.000 |
| Richer | 0.496 (0.417 to 0.590) | 0.000 |
| Richest | 0.291 (0.233 to 0.364) | 0.000 |
| Employed last 12 months (ref: not employed) | ||
| Employed for cash | 0.975 (0.869 to 1.095) | 0.668 |
| Employed but paid-in-kind | 1.220 (1.067 to 1.395) | 0.004 |
| Gamma_2 | ||
| Age | 0.993 (0.989 to 0.998) | 0.000 |
| Wealth status (richest) | 1.279 (1.140 to 1.435) | 0.000 |
| Marital status (divorced/separated/widowed) | 0.814 (0.701 to 0.945) | 0.007 |
| Gamma_3 | ||
| Age | 0.993 (0.986 to 0.999) | 0.018 |
| Wealth status (richest) | 1.515 (1.265 to 1.814) | 0.000 |
| Marital status (divorced/separated/widowed) | 0.749 (0.625 to 0.899) | 0.002 |
| Gamma_4 | ||
| Age | 0.987 (0.978 to 0.996) | 0.005 |
| Wealth status (richest) | 1.957 (1.508 to 2.540) | 0.000 |
| Marital status (divorced/separated/widowed) | 0.566 (0.419 to 0.764) | 0.000 |
Wald test of parallel lines assumption for the final model: F (33, 517)=1.110, p=0.310. A non-significant test statistic indicates that the final model does not violate the proportional odds/parallel lines assumption.
DHS-MIS, Demographic and Health Survey and Malaria Indicator Survey; POR, proportional OR.