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Table 2 Lung cancer cases and deaths among never-smokers attributable to passive smoking in Korea (2009)

From: Attributable fraction of tobacco smoking on cancer using population-based nationwide cancer incidence and mortality data in Korea

  Gender Prevalencea(%) of passive smoking RRbfor lung cancer PAF (%) Lung cancer incidence cases/deaths among never-smokers Passive smoking-related lung cancer cases/deaths Sources of pooled RR
Incidence        
Exposure to smoking at home Men 14.8 1.00 (0.67-1.48) - 1,109 0 [37, 52, 53]
  Women 60.1 1.32 (1.13-1.55) 16.3 4,809 783 [3744, 46, 47, 4951, 53, 5558]
Exposure to smoking at workplace Men 42.2c 1.15 (0.74-1.77) 5.9 1,109 66 [52]
  Women 14.7c 1.37 (1.18-1.60) 5.2 4,809 251 [42, 44, 51, 5558]
Exposure to smoking at home or workplace Men    5.9 1,109 66  
  Women    20.7 4,809 994  
% of all cancers Men      0.1  
  Women      1.1  
Mortality        
Exposure to smoking at home Men 14.8 1.34 (0.82-2.17) 4.8 544 26 [48]
  Women 60.1 1.32 (0.95-1.83) 16.1 3,543 571 [45, 48]
Exposure to smoking at workplaced Men 42.2c 1.15 (0.74-1.77) 5.9 544 32 [52]
  Women 14.7c 1.37 (1.18-1.60) 5.2 3,543 185 [42, 44, 51, 5558]
Exposure to smoking at home or workplace Men    10.5 544 57  
  Women    20.5 3,543 726  
% of all cancers (aged 20+ years) Men      0.1  
  Women      2.8  
  1. aPrevalence of passive smoking at home or workplace was estimated by extrapolating the data from the Korea National Health and Nutrition Examination Survey in 2007, 2008, 2009, 2010, 2011 and 2012. [17].
  2. bRRs obtained from a meta-analysis.
  3. cPrevalence for passive smoking at the workplace in the Korean population was calculated by exposure prevalence at the workplace ×% employed adults in Korea in 1989: 71.2% in men, 45.7% in women (Statistics Korea) [60].
  4. dRR for cancer incidence was used for cancer mortality.