Error in smoking measures: effects of intervention on relations of cotinine and carbon monoxide to self-reported smoking. The Lung Health Study Research Group.

Abstract:

OBJECTIVES:Sources of measurement error in assessing smoking status are examined. METHODS:The Lung Health Study, a randomized trial in 10 clinical centers, includes 3923 participants in a smoking cessation program and 1964 usual care participants. Smoking at first annual follow-up was assessed by salivary cotinine, expired air carbon monoxide, and self-report. Each of these measures is known to contain some error. Sensitivity and specificity were calculated by comparing a biochemical measure with self-report to produce an undifferentiated estimate of error. Classification error rates due to imprecision of the biochemical measures and to the error in self-report were estimated separately. RESULTS:For cotinine compared with self-report, the sensitivity was 99.0% and the specificity 91.5%. For carbon monoxide compared with self-report, the sensitivity was 93.7% and the specificity 87.2%. The classification error attributed to self-report, estimated by comparing the results from intervention and control groups, was associated with the responses of 3% and 5% of participants, indicating a small but significant bias toward a socially desirable response. CONCLUSIONS:In absolute terms in these data, both types of error were small.

journal_name

Am J Public Health

authors

Murray RP,Connett JE,Lauger GG,Voelker HT

doi

10.2105/ajph.83.9.1251

subject

Has Abstract

pub_date

1993-09-01 00:00:00

pages

1251-7

issue

9

eissn

0090-0036

issn

1541-0048

journal_volume

83

pub_type

临床试验,杂志文章,多中心研究,随机对照试验
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    更新日期:2001-06-01 00:00:00

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    doi:10.2105/AJPH.2009.180570

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    更新日期:1982-12-01 00:00:00

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    authors: Cagney KA,Browning CR,Iveniuk J,English N

    更新日期:2014-03-01 00:00:00

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    doi:10.2105/ajph.83.4.580

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    更新日期:1993-04-01 00:00:00

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    pub_type: 杂志文章

    doi:10.2105/AJPH.2009.168245

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    更新日期:2010-11-01 00:00:00

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    pub_type: 杂志文章,随机对照试验

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    更新日期:1985-12-01 00:00:00

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    更新日期:1992-09-01 00:00:00

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    pub_type: 杂志文章,多中心研究

    doi:10.2105/ajph.90.7.1112

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    更新日期:2000-07-01 00:00:00

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    doi:10.2105/AJPH.2011.300186

    authors: Tindle HA,Shiffman S

    更新日期:2011-07-01 00:00:00

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    pub_type: 杂志文章

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    更新日期:1994-10-01 00:00:00

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    pub_type: 杂志文章

    doi:10.2105/AJPH.2008.149146

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    更新日期:2009-11-01 00:00:00

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    pub_type: 杂志文章

    doi:10.2105/ajph.83.5.736

    authors: Murphy DJ,Purschwitz M,Mahoney BS,Hoskin AF

    更新日期:1993-05-01 00:00:00

  • History, Epidemiology, and Clinical Manifestations of Zika: A Systematic Review.

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    pub_type: 历史文章,杂志文章,评审

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    更新日期:2016-04-01 00:00:00

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    更新日期:1994-05-01 00:00:00

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    doi:10.2105/ajph.71.3.275

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