Construction and validation of the water pipe harm perception scale (WHPS-6) among the Lebanese population.

Compared to cigarettes, water pipe is misconceived as being less addictive and containing less nicotine. This study aimed at constructing and validating a water pipe harm perception scale among a sample of the Lebanese population. A cross-sectional study was carried out between February and December 2017 using a proportionate cluster sample of Lebanese adults (492 participants). The water pipe harm scale items converged over a solution of one factor that had an eigenvalue over 1, explaining a total of 66.75% of the variance. The model used was adequate (Kaiser-Meyer-Olkin measure = 0.862 and Bartlett's test of sphericity p < 0.001). The reliability of all scale's items was high (Cronbach's alpha = 0.896). Higher cigarette dependence (LCD score) was significantly associated with higher water pipe harm perception scores, whereas exclusive water pipe smokers (Beta = - 2.142) and dual water pipe and cigarette smokers (Beta = -2.142) compared to nonsmokers, as well as those with high monthly income compared to a low one (Beta = -0.614), were significantly associated with lower water pipe harm perception scores. We constructed the first scale for measuring water pipe harm perception: the WHPS-6. The results of the present study demonstrate that the WHPS-6 can be used in clinical practice and research to assess the harm perception induced by water pipe smoking.