Volume 15, Number 2—February 2009
CME ACTIVITY - Research
Face Mask Use and Control of Respiratory Virus Transmission in Households
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.