Importance of the intellectual property system in attempting compulsory licensing of pharmaceuticals: a cross-sectional analysis

Table 3 Factors affecting the attempt to issue compulsory licensing

Model	Model 1: Without weights to the variable of income						Model 2: With weights to the variable of income
Data source	Son and Lee (2018)			Updated information with ‘t Hoen et al. (2019)			Son and Lee (2018)			Updated information with ‘t Hoen et al. (2019)
index	Estimate	SE	P value	Estimate	SE	P value	Estimate	SE	P value	Estimate	SE	P value
Region (Ref. Others)
Africa	2.4587	1.1664	0.0350	2.7947	1.1915	0.0189	2.1885	0.3819	< 0.0001	2.4772	0.3875	< 0.0001
Asia	1.9965	1.0580	0.0591	2.0194	1.0789	0.0612	1.7490	0.3345	< 0.0001	1.7563	0.3398	< 0.0001
Latin America	3.1951	1.1070	0.0038	3.2869	1.1325	0.0037	3.0282	0.3583	< 0.0001	3.0871	0.3647	< 0.0001
Population (log)	0.9215	0.2580	0.0003	0.9764	0.2672	0.0002	0.9565	0.0889	< 0.0001	0.9994	0.0914	< 0.0001
Income (log)	0.1105	0.2662	0.6781	0.0600	0.2647	0.8205	0.0367	0.0930	0.6930	−0.0191	0.0923	0.8356
Polity (Ref. Anocracy)
Autocracy	0.3731	1.3486	0.7820	0.5930	1.3779	0.6669	0.2539	0.4749	0.5930	0.4560	0.4845	0.3466
Democracy	0.2591	0.7457	0.7281	0.5884	0.7391	0.4259	0.3651	0.2693	0.1750	0.6697	0.2684	0.0126
The PIPP index	0.8511	0.4036	0.0349	0.9315	0.4109	0.0234	0.7793	0.1393	< 0.0001	0.8505	0.1411	< 0.0001

ISSN: 1744-8603