A statewide investigation of geographic lung cancer incidence patterns and radon exposure in a low-smoking population

Table 1 Attributes of Populations living in Metropolitan and Nonmetropolitan Utah Counties

	Metropolitan		Nonmetropolitan
	Moderate Radon n = 10		All Nonmetropolitan n = 19		Moderate Radon n = 12		High Radon n = 7
	Median %	Range	Median %	Range	Median %	Range	Median %	Range
Education
High school graduate or less	11.0	7.4–17.1	14.3	8.5–30.4	13.4	8.5–30.4	17.5	14.2–20.2
Bachelor’s degree or more	25.4	12.2–45.5	16.8	11.6–26.3	19.9	11.6–26.3	14.5	12.3–22.9
Age
18 years or less	32.7	29.8–38.6	33.5	23.2–39.3	33.9	23.2–39.3	33.2	26.9–36.8
65 years or more	7.7	4.9–17.0	12.5	8.4–17.1	12.9	8.4–16.7	12.5	9.4–17.1
Income
Median household income (thousands)	45.8	37.2–65.0	34.3	28.1–49.6	34.9	28.1–49.6	33.0	29.6–35.8
Persons below poverty	6.7	5.1–15.4	12.0	5.5–31.4	10.7	5.5–31.4	14.8	10.8–16.8
Employment
Unemployed	4.7	2.8–6.0	6.4	2.2–15.1	5.3	2.2–15.1	7.7	6.3–8.9
Race/Ethnicity
Non-white residents (total)	3.4	0.4–6.7	2.3	0.5–56.5	2.1	0.5–56.5	2.9	1.6–10.1
Black	0.5	0.2–1.7	0.2	0.1–1.2	0.2	0.05–1.2	0.3	0.1–0.5
American Indian/Alaska Native	0.8	0.1–2.0	1.3	0–56.1	1.0	0–56.1	2.2	1.1–9.7
Asian/Pacific Islander	1.4	0.1–4.3	0.4	0–1.2	0.4	0–1.2	0.3	0.2–1.0
Hispanic	6.7	1.4–12.8	4.5	1.8–10.3	4.6	1.8–7.2	4.5	2.6–10.3
Other minority	9.7	1.7–18.1	7.3	2.3–59.5	6.5	2.3–59.5	9.4	5.2–13.2
Smoking Prevalence
1991–1995	14.3	8.0–25.4	17.9	12.2–28.3	17.5	12.2–28.3	21.8	14.5–25.4
1996–2000	13.8	7.7–24.4	17.2	11.8–27.2	16.9	11.8–27.2	19.7	13.9–24.5
2001–2005	13.3	7.4–23.5	16.5	11.3–26.1	16.2	11.3–26.1	18.9	13.4–23.5
2006–2010	12.8	7.1–22.6	15.9	10.9–25.1	15.6	10.9–25.1	18.2	12.9–22.6

Attributes were collected at the county-level. The median percent represents the median of the aggregate percentage of individuals with that characteristic by county. Moderate radon: 2–4 pCi/L (74 to 148 Bg/m3). High radon: > 4 pCi/L (> 148 Bg/m3)