Income group | Before intervention | After intervention | % change | P-value | |||
---|---|---|---|---|---|---|---|
Mean | Median | Mean | Median | Mean | Median | (Means) | |
< 4369 RMB | 2876 | 1428 | 5961 | 2700 | 107.3 | 89.1 | < 0.001 |
4369–12 647 RMB | 3656 | 1752 | 6169 | 2780 | 68.7 | 58.7 | 0.002 |
> 12 647 RMB | 4409 | 2400 | 4972 | 2570 | 12.8 | 7.1 | 0.4 |
Overall | 3576 | 1752 | 5791 | 2700 | 61.9 | 54.1 | < 0.001 |