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. 2016 Jan 22;113(3):23–30. doi: 10.3238/arztebl.2016.0023

eTable 3. Trends in daily passive smoke exposure among 11 to 17 year olds by age and sex (non-smoking adolescents only)*.

Age Boys Girls Total
KiGGS baseline study (2003–2006) % (95% CI) KiGGS Wave 1 (2009–2012) % (95% CI) KiGGS baseline study (2003–2006) % (95% CI) KiGGS Wave 1 (2009–2012) % (95% CI) KiGGS baseline study (2003–2006) % (95% CI) KiGGS Wave 1 (2009–2012) % (95% CI)
11 years 15.6 (12.0; 20.1) 7.7 (3.9; 14.6) 24.0 (19.3; 29.4) 3.9 (2.1; 7.2) 19.7 (16.6; 23.1) 5.9 (3.5; 9.5)
12 years 16.9 (13.0; 21.7) 6.1 (3.3; 10.9) 23.4 (18.5; 29.2) 8.7 (5.4; 13.5) 20.1 (16.8; 23.9) 7.3 (5.2; 10.3)
13 years 22.2 (17.9; 27.1) 5.5 (2.9; 10.4) 24.4 (19.7; 29.8) 10.4 (6.8; 15.6) 23.3 (19.8; 27.2) 7.9 (5.3; 11.6)
14 years 18.0 (13.3; 23.9) 9.7 (5.8; 15.7) 25.2 (20.1; 31.2) 7.3 (4.4; 11.9) 21.4 (17.4; 26.0) 8.5 (6.0; 11.9)
15 years 22.1 (17.2; 27.9) 15.6 (9.9; 23.7) 24.8 (18.5; 32.5) 16.6 (10.3; 25.5) 23.4 (19.3; 27.9) 16.1 (11.8; 21.5)
16 years 22.4 (16.7; 29.5) 18.7 (12.5; 27.1) 21.8 (16.0; 28.9) 12.2 (7.6; 18.8) 22.1 (18.1; 26.6) 15.4 (11.2; 20.9)
17 years 24.2 (17.7; 32.2) 9.3 (4.9; 16.9) 25.6 (18.9; 33.6) 17.4 (11.3; 25.7) 24.9 (19.9; 30.7) 13.5 (9.4; 19.1)
Total 19.7 (17.6; 22.0) 10.0 (8.1; 12.1) 24.2 (21.9; 26.6) 10.5 (8.8; 12.5) 21.9 (20.2; 23.6) 10.2 (9.0; 11.6)

*Results of the KiGGS baseline study and KiGGS Wave 1 adjusted for the 2009/2010 population structure. 95% CI, 95% confidence interval