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Table 4 Estimation results of samples with only outpatient health service utilization

From: Medical insurance and health equity in health service utilization among the middle-aged and older adults in China: a quantile regression approach

Variables LMM Quantile
0.1 0.25 0.5 0.75 0.9
Insurances
 URBMI 0.370*** 0.475** 0.295* 0.431*** 0.365* 0.545**
(0.120) (0.191) (0.170) (0.126) (0.187) (0.259)
 UEBMI 0.300 0.352 0.343 0.319 0.609*** 0.692***
(0.180) (0.265) (0.255) (0.213) (0.151) (0.237)
 Constant 6.100*** 6.264*** 6.190*** 6.110*** 6.270*** 6.574***
(0.320) (0.284) (0.346) (0.315) (0.414) (0.356)
 Observations 1966 1966 1966 1966 1966 1966
 AIC 7241 7931 7489 7356 7579 8236
 Log Likelihood − 3588 − 3933 − 3713 − 3596 − 3758 − 4086
  1. Notes: (a) Standardize coefficients are reported; standard errors in parentheses
  2. (b) Significance level: ***p < 0.01, **p < 0.05, *p < 0.1
  3. (c) We further controlled demographic and other control variables. And the results are not reported in detail