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Table 5 Responses of dental students to smoking intervention statements

From: Associations of smoking behavior with lifestyle and mental health among Japanese dental students

  Non-current smokers (%) Regular smokers (%) χ 2 p-value
1. Do you think that dental students should not smoke?
 Yes (score 1) 333 (83.0) 31 (59.6)   
 No (score 0) 38 (9.5) 18 (34.6)   
 No opinion (score 0) 30 (7.5) 3 (5.8)   
    26.861 0.000a
2. What is your view on smoking by patients?
 They should not smoke. (score 1) 245 (61.1) 22 (42.3)   
 There is no problem with them smoking. (score 0) 38 (9.5) 8 (15.4)   
 Patients may smoke at their discretion. (score 0) 109 (27.2) 20 (38.5)   
 No opinion (score 0) 9 (2.2) 2 (3.8)   
    6.883 0.076a
3. We should serve as role models for their patients and the public.
 Yes (score 1) 369 (92.0) 44 (84.6)   
 No (score 0) 32 (8.0) 8 (15.4)   
    3.135 0.113b
4. Dentists should master the ability to be non-smokers.
 Yes (score 1) 340 (84.8) 31 (59.6)   
 No (score 0) 61 (15.2) 21 (40.4)   
    19.675 0.000a
5. Dentists should be examples to patients with regard to cessation of smoking.
 Yes (score 1) 329 (82.0) 32 (61.5)   
 No (score 0) 72 (18.0) 20 (38.5)   
    19.96 0.001a
6. Dentists should advise patients not to smoke.
 Yes (score 1) 329 (82.0) 40 (76.9)   
 No (score 0) 72 (18.0) 12 (23.1)   
    0.799 0.371a
7. Dentists should provide patients with information related to non-smoking.
 Yes (score 1) 376 (93.8) 45 (86.5)   
 No (score 0) 25 (6.2) 7 (13.5)   
    3.662 0.077b
8. Are a patient’s chances of quitting smoking increased if a dentist advices him/her to quit?
 Yes (score 1) 200 (49.9) 15 (28.8)   
 No (score 0) 201 (50.1) 37 (71.2)   
    8.163 0.004a
9. Dentists are free to smoke as people in other occupations.
 Yes (score 0) 128 (31.9) 26 (50.0)   
 No (score 1) 273 (68.1) 26 (50.0)   
    6.706 0.010a
Professionalism score (0–9 points)
 mean ± SD 6.96 ± 1.99 5.64 ± 2.59 0.001c
  1. SD standard deviation. aChi-square test, bFisher’s exact test. ct test