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Table 2 Knowledge of Smoking Hazards among the Participants (N = 856)

From: A descriptive study of a Smoke-free Teens Programme to promote smoke-free culture in schools and the community in Hong Kong

  Baseline Immediately after the camp 3-month after the camp 6-month after the camp
Correct responses n (%) Correct responses n (%) p Correct responses n (%) p Correct responses n (%) p
No matter how long a person smokes, quit smoking is never too late (Correct) 687 (80.3) 768 (89.7) <.001** 759 (88.7) <.001** 764 (89.3) <.001**
1 in 2 smokers will be killed by smoking (Correct) 587 (68.6) 829 (96.8) <.001** 771 (90.1) <.001** 793 (92.6) <.001**
Nicotine replacement therapy (NRT) patches & gums can increase the success rate of quitting smoking (Correct) 424 (49.5) 522 (61.0) <.001** 514 (60.0) <.001** 516 (60.3) <.001**
2nd hand smoke is less harmful than outdoor air pollution (Incorrect) 559 (65.3) 547 (63.9) .577 571 (66.7) .558 540 (63.1) .406
After smoking in a house, the residual chemicals left in the air will damage the health of infants and children (Correct) 820 (95.8) 824 (96.3) .708 817 (95.4) .710 802 (93.7) .068
The use of e-cigarettes is allowed in non-smoking areas (Incorrect) 380 (44.4) 579 (67.6) <.001** 511 (59.7) <.001** 485 (56.7) <.001**
  % % p % p % p
Correctly answered all the items 58.0 74.5 .025* 73.7 .025* 75.0 .016*
  1. Missing data or answered “don’t know” were regarded as “incorrect”
  2. * = statistically significant at p < 0.05; ** = statistically significant at p < 0.001