Qualitative and Sensitivity Analysis of the Effect of Electronic Cigarettes on Smoking Cessation

Figure 5

(a) A comparison value of the sensitivity index of if smoking is stopped by their own will () and using e-cigarettes (), that is, ; (b) a comparison value of the sensitivity index of when smoking is stopped by their own will () and when smoking is stopped by using e-cigarettes (), that is, .

(a)

(b)