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Letter to the editor: Correction to "Head-and-face anthropometric survey of U.S. respirator users," (J Occup Environ Hyg 2005 Nov; 2(11):567-576).

Authors
Zhuang-Z; Shaffer-R; Landsittel-D; Bradtmiller-B
Source
J Occup Environ Hyg 2010 Jan; 7(1):D1-D2
NIOSHTIC No.
20036078
Abstract
The purpose of this letter is to bring to your attention an error in a sample size formula appearing in a 2005 article published in this journal. The article described the development of a head and face anthropometric survey of U.S. respirator users. The sample size formula (n = (1.96 CV/a)2 1.534) that was used in the development of that survey and subsequently reported in the article was incorrect. The authors of that article intended to use the sample size formula published in the ISO 15535 standard "General Requirements for Establishing an Anthropometric Database" (n = (1.96 CV/a)2 1.5342). Since there was an error in the sample size calculation (missing ^2), an analysis was conducted and described to understand the possible implications of the error.
Keywords
Respirators; Respiratory-equipment; Anthropometry; Demographic-characteristics; Sex-factors; Sampling; Sampling-methods; Age-factors; Racial-factors; Statistical-analysis
CODEN
JOEHA2
Publication Date
20100101
Document Type
Other
Fiscal Year
2010
NTIS Accession No.
NTIS Price
Issue of Publication
1
ISSN
1545-9624
NIOSH Division
NPPTL
Priority Area
Research Tools and Approaches: Control Technology and Personal Protective Equipment
Source Name
Journal of Occupational and Environmental Hygiene
State
PA; OH
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