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Volume 15, Number 10—October 2009

Research

Healthcare Worker Occupation and Immune Response to Pneumocystis jirovecii

Renuka TipirneniComments to Author , Kieran R. Daly, Leah G. Jarlsberg, Judy V. Koch, Alexandra Swartzman, Brenna M. Roth, Peter D. Walzer, and Laurence Huang
Author affiliations: San Francisco General Hospital/University of California, San Francisco, California, USA (R. Tipirneni, L.G. Jarlsberg, A. Swartzman, B.M. Roth, L. Huang); Veterans Affairs Medical Center/University of Cincinnati, Cincinnati, Ohio, USA (K.R. Daly, J.V. Koch, P.D. Walzer)

Main Article

Table 1

Characteristics of participants in a study of Pneumocystis jirovecii antibody levels*

Characteristic Total, no. (%), N = 126 Clinical, no. (%), n = 103 Nonclinical, no. (%), n = 23 p value
Demographics
Age group, y
<30 33 (26.6) 30 (29.7) 3 (13.0) Ref
31–40 38 (30.7) 31 (30.7) 7 (30.4) 0.98
41–50 27 (21.8) 20 (19.8) 7 (30.4) 0.35
51–60 21 (16.9) 16 (15.8) 5 (21.7) 0.53
>60 5 (4.0) 4 (4.0) 1 (4.4) 0.92
Sex
F 72 (57.1) 57 (55.3) 15 (65.2) 0.39
M 54 (42.9) 46 (44.7) 8 (34.8) Ref
Race
White/Caucasian 74 (60.2) 60 (60.0) 14 (60.9) Ref
Asian 31 (25.2) 27 (27.0) 4 (17.4) 0.14
Black/African American 4 (3.3) 2 (2.0) 2 (8.7) 0.14
Other 14 (11.4) 11 (11.0) 3 (13.0) 0.82
Hispanic/Latino ethnicity
20 (16.0)
14 (13.7)
6 (26.1)
0.20
Health conditions
Ever smoked 42 (33.6) 32 (31.4) 10 (43.5) 0.27
Lung condition 20 (16.0) 14 (13.7) 6 (26.1) 0.20
Immune condition
8 (6.4)
4 (3.9)
4 (17.4)
0.04
Professional characteristics
Department/division
HIV/AIDS 56 (44.4) 45 (43.7) 11 (47.8) Ref
Pulmonary and CCM 33 (26.2) 28 (27.2) 5 (21.7) 0.42
Medicine 29 (23.0) 25 (24.3) 4 (17.4) 0.32
Other 8 (6.4) 5 (4.9) 3 (13.0) 0.14
Ever exposed to PCP patient 85 (67.5) 83 (80.6) 2 (8.7) <0.001

*Ref, reference category; CCM, Critical Care Medicine; PCP, P. jirovecii pneumonia. Participants in this cross-sectional study were healthcare staff recruited during January 2007–February 2008 from San Francisco General Hospital. Mean ages (y ± SD) of participants: total, 39.6 ± 11.7; clinical, 39.1 ± 11.9; nonclinical, 42.0 ± 10.4 (p = 0.29).

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