| Titre : | Factors associated with discrepancies between self-reports on cigarette smoking and measured serum cotinine levels among persons aged 17 years or older : Third National Health and Nutrition examination survey, 1988-1994. (2001) |
| Auteurs : | Ralph-S CARABALLO ; Gary-A GIOVINO ; Paul-D MOWERY ; Terry-F PECHACEK ; National Center for Chronic Disease Prevention and Health Promotion. Centers for Disease Control and Prevention. Atlanta. GA. USA |
| Type de document : | Article |
| Dans : | American journal of epidemiology (vol. 153, n° 8, 2001) |
| Pagination : | 807-814 |
| Langues: | Anglais |
| Mots-clés : | Tabagisme ; Entretien ; Autoévaluation ; Marqueur tabagisme ; Taux ; Plasma sanguin ; Nicotine ; Epidémiologie ; Etude comparée ; Homme ; Etats Unis ; Amérique ; Amérique du Nord |
| Résumé : | [BDSP. Notice produite par INIST UhR0xw19. Diffusion soumise à autorisation]. The discrepancy between cigarette smoking status reported during an interview and measured level of serum cotinine, a nicotine biomarker, was investigated in a representative sample of the US population aged >=17 years (N=15,357). Data were collected from participants in the Third National Health and Nutrition Examination Survey (1988-1994). Among self-reported smokers, 7.5% (95% confidence interval : 6.3,8.7) had a serum cotinine level less than or equal to 15.0 ng/ml, the selected cutoff point for identifying nonsmokers. Age (p<0.01), race/ethnicity (p<0.01), and average number of cigarettes smoked per day (p<0.01) were associated with these discrepant findings. Among self-reported nonsmokers, 1.4% (95% confidence interval : 1.1,1.7) had a serum cotinine level greater than 15.0 ng/ml, the selected cutoff point for identifying smokers. Race/ethnicity (p<0.01), education (p<0.01), number of household members who smoked in the home (p=0.03), and self-reported smoking status from an earlier home interview (p<0.01) were associated with these discrepant findings. Differences in smoking patterns, including the extent of nicotine dosing, may explain most of the discrepancy observed among self-reported smokers, whereas deception regarding smoking status may explain most of the discrepancy among self-reported nonsmokers. (...) |
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