Chiropractic & Manual Therapies 2012 (Nov 21); 20: 35

Figure 3.

(A) Results of Univariate and (B) Multiple Variable Poisson Regression Models
for the Association between Practitioner Supply and Population Characteristics.

a: Based on urban versus rural as defined by University of Washington’s Rural–urban Commuting Area Codes.

b: Minority races and ethnicities include all adults that are not Non-Hispanic White. c: Among adults ≥ 25 years old (all other measures among adults ≥ 18 years).