| Titre : | Exposure of young infants to environmental tobacco smoke : Breast-feeding among smoking mothers. (1998) |
| Auteurs : | M.A. MASCOLA ; J.P. HANRAHAN ; F.E. SPEIZER ; I.B. TAGER ; H. VAN VUNAKIS ; Channing Laboratory. Department of Medicine. Brigham and Women's Hospital. Boston Mass. USA |
| Type de document : | Article |
| Dans : | American journal of public health (vol. 88, n° 6, 1998) |
| Pagination : | 893-896 |
| Langues: | Anglais |
| Mots-clés : | Tabagisme passif ; Facteur risque ; Exposition ; Tabac ; Pollution atmosphérique ; Tabagisme ; Mère ; Famille ; Allaitement maternel ; Allaitement ; Taux ; Nicotine ; Urine ; Nourrisson ; Homme ; Prévention santé ; Etats Unis ; Amérique du Nord ; Amérique ; Etude comparée ; Epidémiologie |
| Résumé : | [BDSP. Notice produite par INIST bmR0xhRd. Diffusion soumise à autorisation]. Objectives. This study examined the degree to which breast-feeding and cigarette smoking by mothers and smoking by other household members contribute to the exposure of infants to the products of tobacco smoke. Methods. The subjects were 330 mother-infant pairs derived from a cohort of 1000 pairs enrolled in a longitudinal study of the pulmonary effects of prenatal and postnatal smoking. The main outcome measure was corrected urinary cotinine levels. Results. Urinary cotinine levels were 10-fold higher in breast-fed infants of smoking mothers than among bottle-fed infants of smoking mothers. Among infants of nonsmoking mothers, urine cotinine levels were significantly increased in infants living in homes with other smokers ; in this group there was no significant difference between bottle-fed and breast-fed infants. Infants whose mothers smoked in the same room as the infant had only non-significant increases in cotinine levels compared with infants whose mothers restricted their smoking to other rooms. Conclusions. Breast-fed infants of smoking mothers have urine cotinine levels 10-fold higher than bottle-fed infants whose mothers smoke, suggesting that breast-feeding, rather than direct inhalation of environmental tobacco smoke, is the primary determinant of cotinine levels in infants whose mothers smoke. |
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