Table 1. Household characteristics by income quartile.
| Variables | Descriptions | Total | Income Quartile | ||||||
| 1 | 2 | 3 | 4 | ||||||
| Data on household head | |||||||||
| Age | Mean age | 49.6 | 53.3 | 48.4 | 48.5 | 48.2 | |||
| Gender | Percentage female | 49.5 | 55.9 | 50.0 | 46.5 | 45.4 | |||
| Marital status | Percentage married | 76.9 | 67.8 | 73.0 | 82.6 | 84.5 | |||
| Percentage unmarried | 4.2 | 6.2 | 5.2 | 2.3 | 2.9 | ||||
| Percentage divorced/widowed | 18.7 | 26 | 21.8 | 15.1 | 11.5 | ||||
| Education status | Mean number of years | 7.7 | 6.5 | 7.5 | 8.3 | 8.8 | |||
| Occupation | Percentage of farmers | 49.8 | 49.7 | 53.4 | 48.8 | 47.1 | |||
| Data on household | |||||||||
| Household size | Mean number of household members | 3.8 | 3.8 | 4.1 | 3.9 | 3.6 | |||
| Older than 65 | Percentage with ≥1 member of age >65 years | 27.0 | 37.9 | 25.3 | 25.0 | 19.5 | |||
| Younger than 18 | Percentage with ≥1 member of age <18 years | 61.8 | 61.0 | 67.8 | 65.7 | 52.9 | |||
| Inpatient | Percentage with ≥1 inpatient treatment | 22.5 | 22.0 | 25.3 | 22.7 | 20.1 | |||
| Outpatient Level 1 | Percentage with 0–4 outpatient treatments | 58.5 | 56.5 | 56.9 | 58.1 | 62.6 | |||
| Outpatient Level 2 | Percentage with 5–10 outpatient treatments | 25.0 | 26.0 | 25.9 | 26.7 | 21.3 | |||
| Outpatient Level 3 | Percentage with >10 outpatient treatments | 16.5 | 17.5 | 17.2 | 15.1 | 16.1 | |||
| Sample size | Total number of households | 697 | 177 | 174 | 172 | 174 | |||
Note: Households were stratified into income quartiles, with Quartile 1 as the lowest and Quartile 4 as the highest income quartile.