Table 2 Exposure to tobacco smoke in Russian school children (N = 5971).
From: Prenatal and postnatal tobacco smoke exposure and respiratory health in Russian children
Exposure | Definition | Prevalence (95% CI) |
|---|---|---|
Fetal exposure: Mother smoked during pregnancy | Did this child's mother smoke while she was pregnant with this child? If yes: (A) Specify in figures number of cigarettes per week if she was an occasional smoker. (B) Specify in figures number of cigarettes per day if she smoked every day. | 4.3 (3.8 – 4.9) |
Early-life exposure: ETS when child was younger that 2 years | Between the times this child was born and he or she turned 2 years old, were there any smokers in regular contact with the child? Include regular visitors, for example, grandparents or baby-sitters. If yes: Did this child's mother (or stepmother or other female taking care of the child) smoke during this period? | 46.5 (45.2 – 47.7) |
ETS when child after 2 years of age | Between the times the child turned 2 years old and he or she started school, were there any smokers in regular contact with the child? Include regular visitors, for example, grandparents or baby-sitters. If yes: Did this child's mother (or stepmother or other female taking care of the child) smoke during this period? | 51.1 (49.8 – 52.4) |
Current smokers in the household | Does anyone daily smoke cigarettes, papirosy (Russian non-filter cigarette), cigars, or pipes in this child's home? If yes: (A) On average, how many cigarettes or papirosy, in total, are smoked in the home each day when the child is at home? (B) On average, how many cigars are smoked in the home each day while the child is at home? (C) On average, how many pipes are smoked in the home each day while the child is at home? | 46.1 (44.9 – 47.4) |
Prenatal exposure only | 0.2 (0.1 – 0.3) | |
Postnatal exposure only | 59.8 (58.6 – 61.1) | |
Both prenatal and postnatal exposure | 4.1 (3.6 – 4.7) | |
Any tobacco smoke exposure | Any of the above. | 64.5 (63.3 – 65.7) |