ObjectiveThe objective of this narrative review is to highlight the determinants of the epidemic rise in waterpipe tobacco smoking (WTS) among youth globally. The Ecological Model of Health Promotion (EMHP) was the guiding framework for the review.Data sourcesThe following electronic databases were searched: Cochrane library, MEDLINE, EMBASE, PsycINFO, Web of Science and CINAHL Plus with Full Text. Search terms included waterpipe and its many variant terms.Study selectionArticles were included if they were published between 1990 and 2014, were in English, were available in full text and included the age group 10–29 years.Data extractionArticles which analysed determinants of WTS at any of the levels of the EMHP were retained regardless of methodological rigour: 131 articles are included. Articles were coded in a standard template that abstracted methods as well as results.Data synthesisThe review found that methodologies used to assess determinants of WTS among youth were often conventional and lacked rigor: 3/4 of the studies were cross-sectional surveys and most enrolled non-representative samples. Within the framework, the review identified determinants of WTS at the intrapersonal, interpersonal, organisational, community and policy levels.ConclusionsThe review suggests potential interventions to control WTS among youth, with emphasis on creative utilisation of social media, and tobacco control policies that include the specificities of WTS. The review further suggests the need for rigorous qualitative work to better contextualise determinants, and prospective observational and experimental studies that track and manipulate them to assess their viability as intervention targets.
Waterpipe tobacco smoking (WTS) is spreading worldwide. Research has indicated health consequences of WTS similar to cigarettes. Prevalence of WTS is high among young people. In Lebanon, current use rates of 35% have been documented among 13–15 year olds. We evaluated a school-based intervention. Method: We conducted a randomized-controlled-trial of a theory-informed WTS intervention. The intervention consisted of ten sessions based on social cognitive theory and the social influences approach. Thirty-one schools participated: 14 intervention and 17 control; a total of 1279 students completed pre and post assessments. We measured knowledge, attitudes and self-reported behaviors related to WTS using Chi-square tests and regression analyses to compare results between the two study arms. Results: The intervention increased knowledge of intervention group compared to control group participants—about WTS constituents and health consequences; and shifted attitudes of intervention group participants to be even more unfavorable towards WTS. We found no impact of the intervention on WTS behaviors. Discussion: The effectiveness of the intervention on knowledge and attitudes supports previous research. The lack of intervention effect on behavior is not surprising given the timing of the post assessment immediately after the intervention, and the social context that was supportive of waterpipe use.
INTRODUCTION Waterpipe tobacco smoking is increasing globally particularly among youth. In Lebanon, the high prevalence of waterpipe tobacco smoking among younger age groups calls for immediate intervention particularly given its negative health effects. To date, such interventions have rarely been implemented or evaluated. METHODS This manuscript describes the process evaluation of a school-based intervention to prevent/delay waterpipe tobacco smoking among 6th and 7th graders (n=844) in Lebanon. Process evaluation documents whether an intervention is implemented as planned, and guides understanding of the relationship between the intervention activities and outcomes. The intervention was carried out over 5 months during 2011-2012 on school premises and during school hours, using a participatory approach. The ten intervention sessions included knowledge, skills and a social promise. The process evaluation assessed fidelity, dose delivered, dose received, reach, satisfaction, and the influence of context. Tools included observation and satisfaction forms, attendance log sheets, focus group discussions, and daily journal entries. RESULTS The majority of participants (87.2%) attended at least 75% of the sessions. Results indicate high fidelity of implementation; 72.3% of the activities were rated by facilitators to be fully implemented -with high participant satisfaction; 89.5% of children chose a happy face to express their rating of the session. Facilitators rated children's participation as 'positive and active' in 77.9% of the sessions. CONCLUSIONS Main challenges to implementation were contextual at the country and school level, and related to local pro social norms around waterpipe tobacco smoking. The experience of this intervention confirms the critical importance of context in program implementation.
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