Table 3.

Risk Factors for a Positive Coccidioides Skin Test Among California State Prison Inmates, January 2015.

Characteristics	Positive N (%)	Unadjusted OR [95% CI]	Adjusted OR [95% CI]
Race/ethnicity
African American	561 (8.0)	0.9 [0.8–1.0]	1.0 [0.9–1.1]
Hispanic	1,567 (8.8)	1.0 [0.9–1.1]	1.1 [0.9–1.2]
Asian Pacific Islandera	25 (6.2)	0.7 [0.4–1.0]	1.0 [0.7–1.5]
Other	195 (8.0)	0.9 [0.7–1.0]	0.9 [0.8–1.1]
White (non-Hispanic)	821 (9.1)	Reference	Reference
Incarceration at prison A
Prison A 2010–2011 and other years	437 (35.9)	8.0 [7.0–9.0]	3.3 [2.8–4.0]
Prison A 2010–2011 only	25 (13.5)	2.2 [1.5–3.4]	1.7 [1.1–2.6]
Prison A other years only	644 (16.7)	2.8 [2.6–3.1]	1.8 [1.6–2.0]
Never at prison A	2,063 (6.6)	Reference	Reference
Incarceration at prison B
Prison B 2010–2011 and other years	226 (26.1)	4.5 [3.8–5.2]	2.1 (1.7–2.7]
Prison B 2010–2011 only	14 (11.0)	1.6 [0.9–2.7]	1.4 (0.8–2.5]
Prison B other years only	683 (13.7)	2.0 [1.8–2.2]	1.3 (1.2-1.5]
Never at prison B	2,246 (7.3)	Reference	Reference
Incarceration at other endemic prison
Ever at other endemic prison	2,936 (9.1)	1.9 [1.6–2.2]	1.3 [1.2–1.5]
Never at other endemic prison	233 (5.1)	Reference	Reference
County admitted from
Ever high risk	656 (19.2)	3.1 [2.8–3.4]	2.6 [2.3–2.8]
Ever medium risk (never high)	184 (15.0)	2.3 [1.9–2.7]	2.1 [1.8–2.5]
Never from endemic county	2,329 (7.2)	Reference	Reference
Prison A stay (units = 2 years)			1.4 [1.3–1.5]
Prison B stay (units = 2 years)			1.3 [1.2–1.4]
Age (units = 2 years)			1.03 [1.02–1.04]

Note. CI = confidence interval; OR = odds ratio.

^aIncludes Filipino.