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Table 7 Regression analysis to identify correlates of having quit smoking

From: Patterns of tobacco and e-cigarette use status in India: a cross-sectional survey of 3000 vapers in eight Indian cities

 Odds of being a former smoker
OR (95% CI)P value
Age1.00 (0.98–1.01)0.573
 Female (point of reference)  
 Male0.58 (0.43–0.80)0.001
 Less than Senior School Certificate (point of reference)  
 Secondary/High School Certificate1.95 (0.21–18.31)0.560
 Graduate/postgraduate3.07 (0.33–28.20)0.322
 Professional degree4.38 (0.48–40.31)0.192
Smoking duration1.00 (1.00–1.00)0.399
Smoking before e-cigarette use initiation1.03 (0.99–1.07)0.156
FTCD0.86 (0.81–0.92)< 0.001
E-cigarette use duration0.99 (0.98–1.00)0.017
E-cigarette use frequency
 Less than monthly (point of reference)  
 Daily2.67 (1.28–5.58)0.009
 Weekly3.04 (1.45–6.38)0.003
 Monthly1.70 (0.76–3.81)0.199
E-cigarette liquid consumption1.33 (1.27–1.39)< 0.001
Nicotine concentration1.06 (1.02–1.10)0.007
Number of flavors used
 1 (point of reference)  
 2 or more1.25 (0.99–1.57)0.062
Flavors type used
 Tobacco/mint/menthol only (point of reference)  
 At least one non-tobacco/mint/menthol0.95 (0.76–1.19)0.669
Perception of harm
 Equally/more harmful than smoking (point of reference)  
 Harmless/less harmful than smoking1.80 (1.34–2.41)< 0.001
  1. FTCD Fagerstrom Test for Cigarette Dependence