Regression results of household catastrophic health spending with unmatched data, matched data, and matched data with IV method (EICV 2006).

Abbreviations: N: sample size, OR: odds ratio, SE: standard error.*: statistically significant at the 0.05 level.**: statistically significant at the 0.01 level.缩略语对照表：N：样本量（sample size），OR：比值比（odds ratio），SE：标准误（standard error）。*：在0.05显著性水平下具有统计学显著性；**：在0.01显著性水平下具有统计学显著性。