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Table 3 Adjusted odds ratio of IHD and pneumonia mortality in Hong Kong natives compared with migrants from Guangdong by sex and age-group

From: Does economic development contribute to sex differences in ischaemic heart disease mortality? Hong Kong as a natural experiment using a case-control study

Cause Age group Sex Migration status All other deaths as controls Restricted† deaths as controls
     Model 1 Model 2 Model 1 Model 2
  (years)    OR 95% CI OR 95% CI OR 95% CI OR 95% CI
IHD 35–64 Men Migrant from Guangdong 1   1   1   1  
    Hong Kong native 1.39 1.03 to 1.88 1.35 1.00 to 1.84 1.40 1.04 to 1.90 1.36 1.00 to 1.85
   Women Migrant from Guangdong 1   1   1   1  
    Hong Kong native 0.71 0.40 to 1.24 0.68 0.38 to 1.21 0.73 0.41 to 1.29 0.70 0.40 to 1.26
  65+ Men Migrant from Guangdong 1   1   1   1  
    Hong Kong native 1.24 1.03 to 1.50 1.19 0.98 to 1.45 1.24 1.03 to 1.50 1.20 0.99 to 1.45
   Women Migrant from Guangdong 1   1   1   1  
    Hong Kong native 0.97 0.80 to 1.19 0.97 0.80 to 1.19 0.96 0.79 to 1.18 0.96 0.79 to 1.18
Pneumonia 35–64 Men Migrant from Guangdong 1   1      
    Hong Kong native 0.94 0.63 to 1.42 1.00 0.66 to 1.52     
   Women Migrant from Guangdong 1   1      
    Hong Kong native 0.76 0.40 to 1.46 0.83 0.43 to 1.60     
  65+ Men Migrant from Guangdong 1   1      
    Hong Kong native 1.00 0.82 to 1.21 1.00 0.82 to 1.20     
   Women Migrant from Guangdong 1   1      
    Hong Kong native 1.01 0.84 to 1.21 0.96 0.80 to 1.15     
  1. Model 1 adjusted for age (5 year groups)
  2. Model 2 adjusted for age (5 year groups), education (no formal, primary or secondary), housing type (hut/shared, public estate, self-owned or other), smoking (never, ex-smoker or current smoker), leisure exercise (less than once a month or at least once a month) and alcohol use (ever or never)
  3. † restricted controls are all other deaths, apart from deaths from IHD and cancers of the breast, prostate, ovary and uterus.