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Table 2 Patterns of E-cigarette use or tobacco cigarette smoking by different grouping factors (N = 4564); % in brackets

From: Oral health practices and self-reported adverse effects of E-cigarette use among dental students in 11 countries: an online survey

 

Total

Smoking status

P

Never smoke

Tobacco only

E-cig. only

Dual user

All

5676 (100.0)

4564 (80.4)

596 (10.5)

255 (4.5)

261 (4.6)

 

Country

     

 < 0.001

 Croatia

233 (4.1)

175 (75.1)

49 (21.0)

5 (2.1)

4 (1.7)

 

 Iraq

369 (6.5)

300 (81.3)

31 (8.4)

11 (3.0)

27 (7.3)

 

 Jordan

461 (8.1)

343 (74.4)

45 (9.8)

44 (9.5)

29 (6.3)

 

 Kuwait

110 (1.9)

103 (93.6)

0 (0.0)

7 (6.4)

0 (0.0)

 

 Lebanon

257 (4.5)

220 (85.6)

27 (10.5)

4 (1.6)

6 (2.3)

 

 Malaysia

148 (2.6)

139 (93.9)

1 (0.7)

3 (2.0)

5 (3.4)

 

 Nigeria

240 (4.2)

228 (95.0)

7 (2.9)

5 (2.1)

0 (0.0)

 

 Saudi Arabia

592 (10.4)

430 (72.6)

55 (9.3)

69 (11.7)

38 (6.4)

 

 South Africa

204 (3.6)

177 (86.8)

16 (7.8)

7 (3.4)

4 (2.0)

 

 Turkey

1453 (25.6)

1090 (75.0)

208 (14.3)

59 (4.1)

96 (6.6)

 

 Yemen

1609 (28.3)

1359 (84.5)

157 (9.8)

41 (2.5)

52 (3.2)

 

Gender

     

 < 0.001

 Male

2258 (39.8)

1594 (70.6)

344 (15.2)

176 (7.8)

144 (6.4)

 

 Female

3418 (60.2)

2970 (86.9)

252 (7.4)

79 (2.3)

117 (3.4)

 

Age group

     

0.227

  ≤ 20 years

1838 (32.4)

1502 (81.7)

178 (9.7)

72 (3.9)

86 (4.7)

 

  > 20 years

3838 (67.6)

3062 (79.8)

418 (10.9)

183 (4.8)

175 (4.6)

 

Marital status

     

0.090

 Married

336 (5.9)

259 (77.1)

40 (11.9)

13 (3.9)

24 (7.1)

 

 Unmarried

5340 (94.1)

4305 (80.6)

556 (10.4)

242 (4.5)

237 (4.4)

 

Educational level

    

0.076

 

 Pre-clinical

2776 (48.9)

2242 (80.8)

295 (10.6)

105 (3.8)

134 (4.8)

 

 Clinical

2900 (51.1)

2322 (80.1)

301 (10.4)

150 (5.2)

127 (4.4)