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Table 1 Demographic and details regarding use of e-cigarettes among medical students of Sindh Pakistan (n = 500)

From: Electronic cigarettes use and perception amongst medical students: a cross sectional survey from Sindh, Pakistan

  Total, n (%) Tobacco users e-cigarettes, n (%) non-users, n (%) p-value
No. of students 500 (100) 194 (38.8) 306 (61.2)  
Age in years (mean ± SD) 21.6 ± 1.7 21.7 ± 2.1 21.5 ± 1.5 0.11
Gender
 Male 210 (42.0) 123 (63.5) 87 (28.4) < 0.001
 Female 290 (58.0) 71 (36.5) 219 (71.6)  
Type of institution
 Private 199 (39.8) 77 (39.6) 222 (72.5) < 0.001
 Public 301 (60.2) 117 (60.4) 84 (27.5)  
Year of MBBS
 1st 62 (12.4) 24 (12.4) 38 (12.4) 0.03
 2nd 84 (16.8) 26 (13.4) 58 (19.0)  
 3rd 94 (18.8) 40 (20.6) 54 (17.6)  
 4th 118 (23.6) 58 (29.9) 60 (19.6)  
 5th 142 (28.4) 46 (23.7) 96 (31.4)  
Heard about e-cigarettes
 Yes 328 (65.6) 170 (87.6) 158 (51.6) < 0.001
 No 172 (34.4) 24 (12.4) 148 (48.4)  
Source of informationb
 Friends/acquaintances 103 (20.6) 56 (32.9) 47 (30.1) 0.03
 Mass media/internet 123 (24.6) 51 (30.0) 72 (46.2)  
 Both 42 (8.4) 31 (18.2) 11 (7.1)  
 Other sources 58 (11.6) 32 (18.8) 26 (16.7)  
Use e-cigarettes
 Yes 31 (6.2) 27 (13.9) 4 (1.3) < 0.001
 No 469 (93.8) 167 (86.1) 302 (98.7)  
Frequency of use
 Daily 6 (1.2) 6 (22.2) 0 (0)  
 Sometimes 15 (3.0) 14 (51.9) 1 (25.0)  
 Rarely (≤ once a month) 10 (2.0) 7 (25.9) 3 (75.0)  
  1. aConventional tobacco product users including cigarettes, shisha and smokeless tobacco. b Participants who reported knowledge of e-cigarettes