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Volume 17, Number 6—June 2011

Pandemic (H1N1) 2009 Risk for Frontline Health Care Workers

Caroline MarshallComments to Author , Anne Kelso, Emma McBryde, Ian G. Barr, Damon P. Eisen, Joe Sasadeusz, Kirsty Buising, Allen C. Cheng, Paul Johnson, and Michael Richards
Author affiliations: Author affiliations: Royal Melbourne Hospital, Melbourne (C. Marshall, E. McBryde, D.P. Eisen, J. Sasadeusz, M. Richards); University of Melbourne, Melbourne, Victoria, Australia (C. Marshall, P. Johnson); World Health Organisation Collaborating Centre for Reference and Research on Influenza, Melbourne (A. Kelso, I.G. Barr); St Vincent’s Hospital, Melbourne (K. Buising); Monash University and Alfred Hospital, Melbourne (A.C. Cheng)

Main Article

Table 3

Factors significantly associated with positive titer for pandemic (H1N1) 2009 in HCWs at 4 hospitals, Australia, August 24–December 16, 2009*

Antibody positive, n = 46
Antibody negative, n = 185
Adjusted OR (95% CI)
Mean age (range), y
33.0 (19.8–49.7)
35.6 (21.2–56.6)
0.92 (0.87–0.98)
Workplace, no. HCWs
Emergency department 13 56 1
Infectious diseases ward 1 31 0.17 (0.02–1.48)
Intensive care unit 19 45 2.53 (1.05–6.09)
Medical ward 5 16
Other 6 22
Respiratory ward

Hospital no., no HCWs
1 11 54 1
2 3 48 0.26 (0.07–0.98)
3 15 41

Community contact with influenza 4 38 0.25 (0.07–0.92)
Gloves for DP, no. using/no. responses 40/45 182/184 0.06 (0.01–0.46)
Median no. children <18 y in household (range) 0 (0–7) 0 (0–4) 1.83 (1.18–2.82)

*HCWs, health care workers; OR, odds ratio; CI, confidence interval; –, no result (comparator group); DP, droplet precautions. Results are adjusted for HCW status (clinical vs. nonclinical), gender, receipt of seasonal influenza vaccine, confirmed pandemic (H1N1) 2009, reported respiratory illness, oseltamivir prophylaxis, hours worked per week, work type (doctor, nurse, physiotherapist, other), work contact with influenza virus infection, mask/eye protection/gown/gloves for patients in droplet precautions, aerosol-generating procedures, and wearing an N95 mask or eye protection.

Main Article

Page created: August 03, 2011
Page updated: August 03, 2011
Page reviewed: August 03, 2011
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