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Volume 13, Number 5—May 2007

Research

Respirator Donning in Post-Hurricane New Orleans

Kristin J. Cummings*†Comments to Author , Jean Cox-Ganser*, Margaret A. Riggs†‡, Nicole Edwards*, and Kathleen Kreiss*
Author affiliations: *National Institute for Occupational Safety and Health, Morgantown, West Virginia, USA; †Centers for Disease Control and Prevention Epidemic Intelligence Service, Atlanta, Georgia, USA; ‡National Institute for Occupational Safety and Health, Cincinnati, Ohio, USA;

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Table 4

Characteristics associated with proper donning of disposable N95 filtering facepiece (FF) respirators in simple logistic regression analyses of all Orleans Parish participants and subsets of participants

Characteristic Proper donning (%)* OR (95% CI)† p value
With characteristic Without characteristic
All participants (N = 538)‡
Male
34
12
3.84 (2.47–6.12)
<0.001
Caucasian (N = 533)
29
20
1.66 (1.12–2.49)
0.01
Relationship to interview home (nonrenter vs. renter)
26
13
2.29 (1.19–4.87)
0.01
Ever used mask or respirator
29
5
8.31 (3.57–23.44)
<0.001
Ever had respirator fit test
58
18
6.10 (3.69–10.21)
<0.001
Been inside water-damaged/moldy home (N = 536)
26
14
2.11 (1.12–4.35)
0.02
Participated in clean-up (N = 536)
29
14
2.58 (1.60–4.31)
<0.001
Mask or respirator at interview
38
18
2.74 (1.80–4.15)
<0.001
Confirmed certified respirator at interview
44
19
3.48 (2.23–5.43)
<0.001
Participated in clean-up§ (N = 363)¶
Used mask or respirator during clean-up
31
16
2.42 (1.15–5.74)
0.02
Used certified respirator during clean-up
39
12
4.54 (2.59–8.42)
<0.001
Used N95 FF respirator during clean-up
35
22
2.02 (1.27–3.25)
<0.01
Used a mask or respirator during clean-up# (N = 312)**
Workplace source of mask or respirator
48
29
2.22 (1.00–4.95)
0.05
Workplace source of information 47 28 2.29 (1.24–4.23) <0.01

*Proportion of participants with characteristic demonstrating proper donning, followed by proportion of participants without
characteristic demonstrating proper donning. For the first characteristic, 34% of males and 12% of females properly donned the
respirator.
†Unadjusted odds ratio (OR) and 95% confidence interval (CI) for proper donning of disposable N95 FF respirator by participants with
characteristic compared to participants without characteristic.
‡538 of 553 participants donned an N95 FF respirator for the interviewer. For some analyses, N is <538 (as noted) because of
missing data.
§The following variables were also statistically significant in simple logistic regression analyses for this subset: male, Caucasian, ever
used mask or respirator, ever had respirator fit test, had mask or respirator at time of interview, and had certified respirator at time of
interview.
¶367 of 372 who participated in clean-up donned an N95 FF respirator for the interviewer. N is <367 because of missing data.
#The following variables were also statistically significant in simple logistic regression analyses for this subset: male, Caucasian, ever
had respirator fit test, had mask or respirator at time of interview, had certified respirator at time of interview, used certified respirator
during clean-up, and used disposable N95 FF respirator during clean-up.
**312 of 315 who used a mask or respirator during clean-up donned an N95 FF respirator for the interviewer.

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