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. Author manuscript; available in PMC: 2020 Jan 9.
Published in final edited form as: J Correct Health Care. 2017 Jun 28;23(3):347–352. doi: 10.1177/1078345817716451

Table 2.

Attack Rates and Relative Risks for Coccidioidomycosis, Pleasant Valley State Prison, California, 2005.

Characteristic Population at Risk Number Ill Attack Rate (Per 1,000) RR [95% CI] p
Total 4,885 160
Age (years)
 ≤40 3,036 82 27 Reference
 ≥41a 1,849 78 42 1.6 [1.2, 2.1] .003
Race/ethnicity
 White 1,453 39 27 Reference
 Hispanic 2,039 58 28 1.1 [0.7, 1.6] .8
 Blacka 1,047 55 53 2.0 [1.3, 2.9] .0009
 Other 346 8 23 0.9 [0.4, 1.8] .7
Residence yardb
 A 1,069 25 23 0.7 [0.4, 1.0] .05
 B 1,118 17 15 0.4 [0.2, 0.7] .0002
 Ca 1,115 71 64 2.7 [2.0, 3.7] <.0001
 D 1,126 39 35 1.1 [0.8, 1.5] .7

Note. CI = confidence interval; RR = risk ratio.

a

Variables remained statistically significant in multivariate model.

b

Reference group for residence yard was residence on all other housing areas.

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