The effect of physician density on colorectal cancer stage at diagnosis: causal inference methods for spatial data applied on regional-level data

Table 1 Municipality-level measures

Variable	Median (Q1–Q3)
Number of GPs per 10,000 people^a,d	0.21 (0.17–0.32)
Number of specialists closely related to CRC diagnosis per 10,000 people^b,d	1.43 (1.07–1.66)
Number of colonoscopies per 10,000 people^b,d	9.6 (8.4–12)
Area and population of urban settlements^a	660 (2400–8100)
Total population^a	5200 (2200–13000)
Percentage of people over 65 years old^a,d	0.18 (0.15–0.20)
Median income (× 1000)^c	530 (500–580)
Not employed or studying (percentage)^c	0.18 (0.16–0.21)
Exercising less frequently then weekly(percentage)^c	0.26 (0.22–0.31)

ISSN: 1476-072X