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Table 3 Multivariable logistic regression analysis for association of e-cigarette use with other forms of tobacco in medical students

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

  n (%) Crude OR (95% CI) Adjusted OR (95% CI) p-value*
Conventional cigarettes (ever use)
 Yes 88 (17.6) 26.8 (10.5–68.0) 10.6 (3.6–30.8) < 0.001
 No (ref.) 412 (82.4)  
Smokeless tobacco use
 Yes 23 (4.6) 26.2 (10.3–67.1) 7.9 (2.7–23.4) < 0.001
 No (ref.) 477 (95.4)  
Shisha use
 Yes 174 (65.2) 11.2 (4.2–29.9) 3.05 (0.9–9.6) 0.05
 No (ref.) 326 (34.8)  
Gender
 Male 210 (42.0) 4.33 (1.89–9.89)   
 Female (ref.) 290 (58.0)   
Academic year
 Year I–III 240 (48.0) 1.12 (0.54–2.34)   
 Year IV–V 260 (52.0)
Type of university
 Private 201 (40.2) 1.24 (0.59–2.57   
 Public (ref.) 299 (59.8)   
  1. * Adjusted model