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Table 3 Knowledge related to the hazard of smoking and secondhand smoke on the health of smoker, pregnant woman, fetus and child (n = 466)

From: Association of smoking behavior among Chinese expectant fathers and smoking abstinence after their partner becomes pregnant: a cross-sectional study

  n (%)a 95% CI b
Score of knowledge on the health hazards of smoking to smokers (0–7), mean (SD)c 2.06(1.43) 1.93 to 2.19
 Hypertension 132(28.3) 24 to 32%
 lung cancer 255(54.7) 50 to 59%
 Diabetes 134(28.8) 25 to 33%
 Fundus macula 128(27.5) 23 to 32%
 Erectile dysfunction 137(29.4) 25 to 34%
 Heart disease 101(21.7) 18 to 25%
 Sperm malformation 74(15.9) 13 to 19%
Score of knowledge on the health hazards of SHS to the pregnant women (0–3), mean (SD)c 0.86(0.95) 0.77 to 0.94
 Abortion 146(31.3) 27 to 36%
 Pregnancy HBP 209(44.8) 40 to 49%
 Gestational diabetes 44(9.4) 7 to 12%
Score of knowledge on the health hazards of SHS to the fetus and newborns (0–7), mean (SD)c 2.33(1.93) 2.15 to 2.51
 Fetal death 215(34.5) 42 to 51%
 Low birth weight 161(34.5) 30 to 39%
 Neural tube deformity 103(22.1) 18 to 26%
 Lung dysplasia 64(13.7) 11 to 17%
 Newborn death 122(26.2) 22 to 30%
 Cough 213(45.7) 41 to 50%
 Asthma 208(44.6) 40 to 49%
  1. a The number and proportion of participant correctly identifying the health hazards caused by smoking or SHS on the health of smokers, pregnant women and child
  2. b The 95% confidence interval for the percentage or mean
  3. c The average numbers of diseases in the categories that was correctly identified to be associated with smoking or secondhand smoke by each participants