Table 2.
County-level demographic and community characteristics by lung cancer mortality cluster category.
| Clustereda (N = 362) | Non-clustered (N = 2,746) | P valueb | ρc | |
|---|---|---|---|---|
| Presented as median (IQR) | ||||
| Race | ||||
| NH White | 93.95 (86.10–96.20) | 84.10 (65.20–93.30) | <0.01 | 0.23 |
| NH Black | 1.60 (0.40–5.40) | 2.10 (0.50–11.30) | <0.01 | −0.06 |
| Hispanic | 0.40 (0.20–0.70) | 3.80 (1.90–9.60) | <0.01 | −0.25 |
| Asian | 0.30 (0.02–0.05) | 0.60 (0.40–1.20) | <0.01 | −0.25 |
| Native American | 0.40 (0.20–0.07) | 0.50 (0.30–1.20) | <0.01 | −0.13 |
| Sex | ||||
| Male | 49.31 (48.69–49.99) | 49.60 (48.88–50.51) | <0.01 | −0.07 |
| Female | 50.69 (50.01–51.31) | 50.40 (49.49–51.12) | ||
| Age | ||||
| <18 | 21.90 (20.16–23.46) | 22.99 (21.01–24.86) | <0.01 | −0.14 |
| 18–29 | 13.04 (12.07–14.06) | 14.22 (12.40–16.25) | <0.01 | −0.16 |
| 30–44 | 17.62 (16.29–18.64) | 17.72 (16.29–19.05) | 0.06 | −0.03 |
| 45–64 | 28.70 (27.50–29.94) | 27.93 (26.05–29.52) | <0.01 | 0.13 |
| 65–79 | 13.74 (12.36–15.58) | 11.77 (10.04–13.66) | <0.01 | 0.25 |
| 80+ | 4.46 (3.83–5.34) | 4.17 (3.34–5.16) | <0.01 | 0.09 |
| Community characteristics | ||||
| Particulate matter 2.5 μg/m3 | 13.61 (11.54–14.02) | 11.70 (10.35–13.30) | <0.01 | 0.18 |
| Household income <$20,000 | 26.91 (23.69–30.67) | 19.82 (16.05–24.42) | <0.01 | 0.34 |
| % Completed college | 12.87 (10.93–15.72) | 18.59 (14.65–24.76) | <0.01 | −0.32 |
| % Adult smoking | 25.50 (21.80–30.30) | 18.70 (13.90–23.20) | <0.01 | 0.30 |
| % Adult obesity | 32.90 (30.90–34.50) | 30.30 (28.10–32.80) | <0.01 | 0.21 |
| % Physical inactivity | 33.10 (29.60–35.90) | 27.70 (24.20–30.60) | <0.01 | 0.31 |
| % Unemployment | 9.00 (7.80–10.40) | 7.30 (5.50–9.10) | <0.01 | 0.24 |
| % Uninsured | 23.10 (20.30–25.60) | 21.05 (16.30–26.20) | <0.01 | 0.11 |
| % Could not see doctor due to cost | 18.35 (13.60–22.60) | 12.00 (0.00–16.50) | <0.01 | 0.23 |
| PCP per 10,000 persons | 4.18 (2.57–6.02) | 4.99 (3.21–7.12) | <0.01 | −0.09 |
| Non-urband | 265 (73.20) | 1576 (57.39) | <0.01 | 0.10 |
a
Defined as counties estimated as clustered by two of three cluster methods (local indicators of spatial autocorrelation, empirical Bayes, and Gi*).
b
Significance determined using Wilcoxon test.
NH, non-Hispanic; PCP, primary-care physician.
c
Spearman correlation with county-level lung cancer mortality cluster category.
d
Presented as N (Column %)
IQR, interquartile range; PCP, primary-care physician.