Table 2.
Descriptive statistics.
| Variables | Mean | Stdev | Min | Pct 25% | Median | Pct 75% | Max |
|---|---|---|---|---|---|---|---|
| NHSS (282 observations in 3 years) | |||||||
| illnessratio | 16.35 | 7.53 | 3.71 | 11.43 | 14.70 | 19.29 | 53.20 |
| illnessday | 1328.88 | 691.82 | 231.00 | 854.75 | 1167.50 | 1589.25 | 4128.00 |
| chronicratio | 14.14 | 6.38 | 2.89 | 9.84 | 12.97 | 17.97 | 33.55 |
| income * | 0.00 | 2.56 | −4.98 | −1.57 | −0.64 | 1.14 | 11.07 |
| income2 | 6.54 | 15.14 | 0.00 | 0.61 | 1.97 | 5.80 | 122.54 |
| edu | 7.39 | 1.91 | 1.70 | 6.15 | 7.00 | 8.74 | 11.65 |
| CHARLS (378 observations in 3 years) | |||||||
| CHRONIC_RATIO | 0.75 | 0.10 | 0.45 | 0.68 | 0.75 | 0.82 | 0.98 |
| AVGINDIINCOME_EARN | 0.44 | 0.32 | 0.03 | 0.21 | 0.35 | 0.59 | 1.81 |
| AVGINDIINCOME_EARN2 | 0.30 | 0.47 | 0.00 | 0.05 | 0.12 | 0.35 | 3.29 |
| AVGEDU | 1.17 | 0.16 | 1.00 | 1.07 | 1.12 | 1.20 | 1.94 |
* The original income variable has been regressed with education years. Its statistics in this table are based on the regression residuals.