TABLE 3.

Regression model examining the effect of sector and medicine types and survey sectors on medicine availability and median price ratio.

Availability (binary logistic regression)
	Coefficient	Standard error	Wald test	Significance	Exp (B)	95% confidence interval
						Lower	Upper
Medicine list
Global	1
Supplementary	−0.260	0.111	5.471	0.019	0.771	0.620	0.959
Sector
Public	1
Private	1.094	0.087	159.79	0.000	2.985	2.519	3.535
Brand
Originator brand (OB)	1
Lowest price generic (LPG)	−0.463	0.085	29.635	0.000	0.630	0.533	0.744

Median price ratio (linear regression)
	Coefficient	Standard error	Wald test	Significance		95% confidence
						Lower	Upper
Medicine list
Global	1
Supplementary	−0.342	0.835	−0.410	0.685		−2.042	1.358
Brand
Originator brand (OB)	1
Lowest price generic (LPG)	−2.340	0.629	−3.717	0.001		−3.622	−1.058