Factors associated with patients’ mobility rates within the provinces of Iran

Table 4 Negative binomial model to examine the effect of resource growth in the province on intra-provincial mobility

Independent Variables	Irr ^a	SE	P -Value
Hospital beds	1.09	0.22	0.681
Specialist physicians	0.99	0.53	0.981
Human development index	0.16	0.83	0.722
Total health expenditure	1.03	0.13	0.774
Population density	0.99	0.002	0.293
U5MR	0.99	0.02	0.787

^a irr This word stands for Incidence Rate Ratio, which is equivalent to Relative Risk

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