Table 3.

Negative binomial regression estimated association between predictors and cases (N = 148)

Variables	Odds ratio	95% CI
Population ages 65 and abovea	0.9353	(0.8535, 1.0251)
Population densityb	0.9997	(0.9986, 1.0007)
Health expenditure of GDPc	1.0565	(1.0360, 1.0773)
NCD-caused deathsd	0.9568	(0.8388, 1.0913)
Healthcare workforcee	0.9966	(0.9883, 1.0051)
Hospital bedsf	1.0723	(0.9112, 1.2618)
Democracy Indexg	1.2110	(1.0256, 1.4299)

^aPercentage of the population ages 65 and above

^bPopulation per km² of the country’s surface area

^cHealth expenditure as a percentage of the gross domestic product

^dPercentage of deaths caused by non-communicable diseases of total deaths

^eTotal number of medical doctors, nurses, and midwives per 10,000 population

^fNumber of hospital beds per 1000 population

^gDemocracy Index score (0–10).