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Volume 15, Number 2—February 2009
CME ACTIVITY - Research

Face Mask Use and Control of Respiratory Virus Transmission in Households

C. Raina MacIntyreComments to Author , Simon Cauchemez, Dominic E. Dwyer, Holly Seale, Pamela Cheung, Gary Browne, Michael Fasher, James Wood, Zhanhai Gao, Robert Booy, and Neil Ferguson
Author affiliations: University of New South Wales School of Public Health and Community Medicine, Sydney, New South Wales, Australia (C.R. MacIntyre, H. Seale, J. Wood, Z. Gao); Children's Hospital at Westmead, The University of Sydney, Sydney (C.R. MacIntyre, P. Cheung, R. Booy, G. Browne); Imperial College London, London, UK (S. Cauchemez, N. Ferguson); Westmead Hospital, Sydney (D.E. Dwyer); The Wentworth Division of General Practice, Sydney (M. Fasher)

Main Article

Table 1

Demographic characteristics of each household by arm of randomization in the study, Sydney, New South Wales, Australia, 2006 and 2007 winter influenza seasons

Variable Control group, no. (%), n = 50 Surgical mask group
 P2 mask group
No. (%), n = 47 p value No. (%), n = 46 p value
Living arrangement
Reside in house 38 (76) 32 (68) 0.39 33 (72) 0.64
>4 persons in house 13 (26) 18 (38) 0.20 19 (41) 0.11
>3 adults in house
 8 (16)
 11 (23)
 0.36
12 (26)
 0.23
Demographics
Caucasian race* 28 (56) 20 (43) 0.18 17 (37) 0.06
Both adults work 28 (56) 25 (53) 0.78 27 (59) 0.79
Smoker in house
 12 (24)
 12 (26)
 0.86
4 (9)
 0.046
Index child fully immunized 45 (90) 45 (96) 0.28 39 (85) 0.44
Index child attends childcare
 37 (74)
 34 (72)
 0.85
27 (59)
 0.11
Influenza vaccination
Index child 1 (2) 1 (2) 0.97 0 0.34
1 adult vaccinated
 2 (4)
 2 (4)
 0.95
0
 0.17
Duration of child sickness† 4 5 4
Siblings reporting illness 3 (6) 1 (1) 0.34 0 0.09

*Information relates to the participating adult interviewed.
†Median no. days.

Main Article

Page created: September 24, 2012
Page updated: September 24, 2012
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