Redistributive effects of the National Health Insurance on physicians in Taiwan: a natural experiment time series study

Table 2 Spline regression results of impacts of NHI on the Gini coefficients for the geographic distribution of three types of physicians in Taiwan, 1971-2002

	Western medicine physicians	Chinese medicine physicians	Dentists
	β (s.e)	β (s.e)	β (s.e)
Intercept	0.265 (0.002)^†	0.223 (0.005)^†	0.350 (0.010)^†
Time trend	0.001 (0.000)^†	−0.002 (0.000)^†	−0.001 (0.000)
NHI	−0.004 (0.001)^†	−0.003 (0.002)^*	−0.013 (0.003)^†
F-value	20.854^†	38.295^†	33.245^†
R _adj ²	0.562	0.706	0.675

ISSN: 1475-9276