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Table 4 Risk factors for current and heavy smoking in men only: percentages, unadjusted and adjusted odds ratios with 95% confidence intervals.

From: Smoking, cessation and expenditure in low income Chinese: cross sectional survey

   Current smoking Moderate/heavy
   % OR 95% CI P-value Adjusted OR* P-value % OR 95% CI P-value AdjustedOR * P-value
Residence Urban 58 1.13 0.009 1.17 0.005 18 1.78 (1.66, 1.9) <0.0001 1.49 <0.0001
  Rural 64 1.01,1.2   1.1,1.3   50    1.29,1.75  
  Migr't 51      28     
Age <30 55 1.27 <0.0001 1.12 0.08 12 4.2 (3.5,5.0) <0.0001 3.82 <0.0001
  >30 61 1.1,1.4   0.98,1.2   38    3.24,4.52  
Education Low 58 1.0 0.5 0.9 0.6 31 2.2 (2,2.5) <0.0001 1.26 0.008
  High 59 0.9,1.2   0.8,1.1   17    1.05, 1.49  
Marital status Ever 61 1.3 <0.0001 0.89 0.14 34 1.3 (1.2,1.4) <0.0001 1.1 0.06
  Never 55 1.1,1.5   0.77,1.03   26    1.0,1.2  
Children Yes 61 0.8 <0.0001 1.17 0.04 35 1.4 (1.2,1.6) <0.0001 1.2 0.05
  No 54 0.7,0.9   1.0,1.36   24    1.06,1.2  
Drinking Yes 68 0.44 <0.0001 0.14 <0.001 32 0.53 (0.4, 0.6) <0.0001 0.2 <0.0001
  No 48 0.4,0.51   0.13,0.16   20    0.18,0.24  
Personal Income RMB/month <900 55 1.3 <0.0001 1.2 0.07 20 1.3 (1.2,1.6) <0.0001 1.8 <0.0001
  >900 61 1.1,1.5   1.0,1.3   26    1.5,2.1  
  1. * model adjusted for age and residence only