SSDE group | Non-SSDE group | P value | ||
---|---|---|---|---|
Annual Income (CNY) | Range | 1400–30,000 | 2000–20,000 | 0.001†+ |
Average | 4494.1 ± 5138.0 | 6833.3 ± 4077.6 | ||
Median | 3000 | 6000 | ||
Annual Income distribution | ≤3000CNY | 25(73.5%) | 9(30%) | 0.002†# |
3000-10000CNY | 6(17.6%) | 12(40%) | ||
≥10,000 CNY | 3(8.9%) | 9(30%) | ||
Self-perception of economic burden | Uninfluenced | 5(14.7%) | 27(90.0%) | < 0.001‡# |
Limited economic burden but acceptable | 9(55.9%) | 3(10.0%) | ||
Heavy economic burden | 10(29.4%) | 0(0.0%) |