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Table 3 Knowledge of hazards of smoking

From: The prevalence of smoking, second-hand smoke exposure, and knowledge of the health hazards of smoking among internal migrants in 12 provinces in China: a cross-sectional analysis

Knowledge of hazards of smoking Current smokers (n, %) Non-current smokers (n, %) χ2 P
Lung cancer
 Yes 2, 335(95.0) 4, 493(94.7) 0.201 0.654
 No 123(5.0) 249(5.1)   
Fertility reduction
 Yes 1, 260(51.3) 2, 660(56.1) 15.248 < 0.001
 No 1, 198(48.7) 2, 082(43.9)   
Accelerated aging
 Yes 1, 215(49.4) 2, 656(56.0) 28.194 < 0.001
 No 1, 243(50.1) 2, 086(44.0)   
Cardiovascular diseases
 Yes 1, 054(42.9) 2, 102(44.3) 1.377 0.241
 No 1, 404(57.1) 2, 640(55.7)   
Heart disease
 Yes 839(34.1) 1, 684(35.5) 1.352 0.245
 No 1, 619(65.9) 3, 058(64.5)   
Stroke
 Yes 641(26.1) 1, 248(26.3) 0.048 0.826
 No 1, 817(73.9) 3, 494(73.7)   
Total
 Yes 398(16.6) 784(16.9) 0.114 0.735
 No 1, 998(83.4) 3, 847(83.1)