International Journal of Public Health

, Volume 57, Issue 6, pp 885–892 | Cite as

How home-smoking habits affect children: a cross-sectional study using urinary cotinine measurement in Italy

  • Carmela Protano
  • Roberta Andreoli
  • Paola Manini
  • Matteo Vitali
Original Article

Abstract

Objectives

To assess the impact of different home-smoking rules and smoking habits of cohabitant on environmental tobacco smoke (ETS) exposure of children.

Methods

Information about 396 Italian children (5–11 years old) and cohabitants’ smoking habits was collected by a questionnaire. Exposure assessment was performed by determination of urinary cotinine (u-cotinine).

Results

Median u-cotinine concentrations in children significantly increased in a similar fashion as theoretical ETS exposure increase: cohabitants do not smoke (1.79 μg/g creatinine), cohabitant(s) smoker(s) never smoke at home (2.84), smoke at home only when children are out (3.90), and smoke at home even if children are in (6.02). Median u-cotinine levels of exposed children were associated to the strength of cohabitant’s smoking behaviours when smoker(s) consume daily a high number of cigarettes (≥ 20) respect to light consumption (1–9) (4.52 and 3.24 μg/g creatinine).

Conclusions

The magnitude of ETS exposure in children is correlated with smoking habits and home-smoking precautions adopted by their cohabitants. Educational interventions on parents are essential to increase their awareness about ETS exposure and to teach correct behaviours to protect health of kids, especially in household environment.

Keywords

Children Passive-smoking exposure Secondhand smoke Thirdhand smoke Urinary cotinine 

Notes

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Swiss School of Public Health 2012

Authors and Affiliations

  • Carmela Protano
    • 1
  • Roberta Andreoli
    • 2
  • Paola Manini
    • 3
  • Matteo Vitali
    • 1
  1. 1.Department of Public Health and Infectious DiseasesSapienza UniversityRomeItaly
  2. 2.ISPESL, National Institute for Occupational Safety and PreventionResearch Center at the University of ParmaParmaItaly
  3. 3.Department of Clinical MedicineNephrology and Health Sciences, University of ParmaParmaItaly

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