The Syrian Center for Tobacco Studies-13 (SCTS-13): Psychometric evaluation of a waterpipe-specific nicotine dependence instrument

Alam, Mohammad Masudul; Ward, Kenneth D.; Bahelah, Raed; Kalan, Mohammad Ebrahmi; Asfar, Taghrid; Eissenberg, Thomas; Maziak, Wasim

doi:10.1016/j.drugalcdep.2020.108192

Cited by 11 publications

(12 citation statements)

References 48 publications

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“…Adding other items that significantly discriminate between dependent and nondependent subjects may increase E8-LWDS total scale reliability. This is in line with the findings of Alam et al, 2020 in their study on schoolchildren in Beirut, Lebanon [12]. Perceived behavioral control was notably different across groups of WT dependence in our study.…”

Section: Discussionsupporting

confidence: 94%

“…To examine convergent construct validity of the adapted scale among this study population, measures that were hypothesized to be associated with WT dependence, such as younger age at WTS initiation, higher frequency and intensity of WTS, smoking alone and at home, less perceived harm of WTS compared with cigarette smoking, self-reported addiction to WTS, lower self-efficacy, and fewer quit attempts were identified from previous literature [10][11][12][13][14][15][16][17][18][19][20]22,23]. Hence, data on participants' WTS behavior, perceived harm, and perceived behavioral control of WTS were included in this analysis.…”

Section: Waterpipe Tobacco Use Behavior Perceived Harm and Perceived Behavioral Controlmentioning

confidence: 99%

“…Dependence is a multidimensional matter; thus, characterizing features unique to waterpipe tobacco (WT) dependence is important in informing cessation efforts. For instance, initiating WTS at a younger age, smoking WT daily, transitioning from a social to an individual WTS pattern, and lower perceived WTS addictiveness and lower self-efficacy were found to be associated with WT dependence [11][12][13][14][15][16][17][18][19][20]. However, WT smokers may not be aware of such features.…”

Section: Introductionmentioning

confidence: 99%

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E8-LWDS: Factorial Structure and Psychometric Properties of the Lebanese Waterpipe Dependence Scale-11 in 1490 Egyptian Waterpipe Tobacco Smokers—A Critical Approach

Mostafa

Ismail

2021

IJERPH

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Introduction: There is no universal scale for assessing waterpipe tobacco (WT) dependence. We examined the factorial structure and psychometric properties of the Waterpipe Dependence Scale-11 (LWDS-11) among Egyptian WT smokers. Methods: We administered the LWDS-11 during face-interview questionnaires in two cross-sectional surveys among 1490 current WT smokers recruited via purposive quota sampling. Exploratory factor analysis was performed on half of the sample. Confirmatory factor analysis of the resulting model was done using structural equation modelling on the other half. Scale reliability was examined. We assessed convergent construct validity using regression models to examine the association between the adapted dependence scale and factors conceptually expected to be associated with WT dependence. Results: Exploratory factor analysis of the scale yielded eight items (E8-LWDS) supporting a three-factor structure: physical dependence (three items); psychological dependence (three items); and psychological craving (two items). Cronbach’s α were 0.635 for the total scale and 0.823, 0.654, and 0.785 for the three subscales. E8-LWDS was confirmed to have good model fit (comparative fit index = 0.995; root mean squared error of approximation = 0.027). E8-LWDS was independently associated with daily WT smoking, rural residence, being a skilled worker, non-exclusive WTS, smoking ≥ eight WT hagars/day, and measures of perceived behavioral control (self-reported addiction to WT, perceived ability to quit, and previous quit attempts). Conclusion: E8-LWDS showed adequate psychometric properties among this sample of Egyptian current WT smokers, which makes it appropriate for use by researchers and practitioners. Adding items related to perceived behavioral control might enhance the scale robustness.

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Section: Discussionsupporting

confidence: 94%

Section: Waterpipe Tobacco Use Behavior Perceived Harm and Perceived Behavioral Controlmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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E8-LWDS: Factorial Structure and Psychometric Properties of the Lebanese Waterpipe Dependence Scale-11 in 1490 Egyptian Waterpipe Tobacco Smokers—A Critical Approach

Mostafa

Ismail

2021

IJERPH

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“…This scale items were reported by to be correlated adequately with measurements of nicotine metabolites, exhaled carbon monoxide levels, and the frequency of waterpipe smoking (Primack et al, 2014;Salameh, Waked, & Aoun, 2008). In a recent study, a new scale (named Syrian Center for Tobacco Studies [SCTS]-13), for nicotine dependence associated with waterpipe smoking was published (Alam et al, 2020). Confirming the present findings using the SCTS-13 scale is strongly recommended.…”

Section: Discussionsupporting

confidence: 65%

The CHRNA5 polymorphism (rs16969968) and its association with waterpipe smoking addiction among Jordanians

Al-Omoush

Alzoubi

Khabour

et al. 2020

Arab Journal of Basic and Applied Sciences

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Waterpipe smoking is a form of tobacco use that causes nicotine/tobacco dependence and has become a global health problem. In this study, the association of rs16969968 SNP in the CHRNA5 gene with waterpipe dependence was investigated. A total of 386 men and women who used a waterpipe to smoke tobacco were recruited and divided into less dependent and more dependent smokers based on their score on the Lebanon Waterpipe Dependence Scale (LWDS). Results showed a significant difference in the distribution of GG, GA, and AA genotypes by waterpipe dependence status (p < .001). The more dependent group showed a higher frequency of the AA genotype than the less dependent smokers' group (38% vs. 23%, respectively). In addition, the more dependent smokers exhibited more A allele than less dependent smokers (53% vs. 37% respectively, p < .001). In conclusion, there is an association between the rs16969968 SNP and waterpipe dependence as assessed by the LWDS.

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“…Questions include waterpipe smoking status, age of initiation for smokers, the reason for waterpipe smoking initiation, location, number of waterpipes smoked per month, session duration, time of the day when waterpipe is smoked, last smoking session, number of family and friends who smoke waterpipe, addiction, and harm perception compared to cigarettes, quit attempts, intention to quit, and perceived likelihood and severity. The Syrian Center for Tobacco Studies-13 (SCTS-13) will be used to assess dependence among waterpipe smokers [ 37 ]. The SCTS-13 is composed of 13 items, with a score of 0–2 points/item.…”

Section: Methodsmentioning

confidence: 99%

Examining the effect of waterpipe specific pictorial health warning labels among young adults in Lebanon and Tunisia: Protocol of a factorial experiment study design

Jebai

Asfar

Nakkash

et al. 2021

Contemporary Clinical Trials Communications

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Background Waterpipe tobacco smoking (WTS) has increased substantially in the Eastern Mediterranean Region (EMR), affecting young adults who perceive waterpipe as safer than cigarette smoking. Applying pictorial health warning labels (HWLs) on tobacco products has been effective in communicating health risks associated with tobacco smoking. However, there are few experimental studies that examined pictorial HWLs specific to WTS. Methods/design: This report describes the design and protocol of the first factorial experimental study that aims to test the effectiveness of pictorial HWLs based on their placement on waterpipe device, tobacco, and charcoal packages among young adult smokers and non-smokers residing in Lebanon and Tunisia. After completing a baseline assessment, participants will be randomly assigned to 3 experimental conditions in a 3 (HWL: pictorial HWL on tobacco package vs. pictorial HWL on 3 placements [device, tobacco, and charcoal packages] vs. text-only HWL on tobacco package) x 4 (pictorial HWLs) x 2 (waterpipe smokers vs. non-smokers) factorial design. We will use a within/between-subject design, where pictorial HWLs and time (pre vs. post-exposure) are the within-subject factors and waterpipe smoking status as the between-subjects factor. Participants will complete post-exposure measures that include attention, perceived harm, intention to quit (smokers) or initiate smoking (non-smokers). Discussion: This is the first international study examining the placements of pictorial HWLs using efficient within/between subject design. Findings will provide additional evidence to convince policymakers to consider three placements of HWLs specific to WTS as a promising regulatory target to curb WTS.

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The Syrian Center for Tobacco Studies-13 (SCTS-13): Psychometric evaluation of a waterpipe-specific nicotine dependence instrument

Cited by 11 publications

References 48 publications

E8-LWDS: Factorial Structure and Psychometric Properties of the Lebanese Waterpipe Dependence Scale-11 in 1490 Egyptian Waterpipe Tobacco Smokers—A Critical Approach

E8-LWDS: Factorial Structure and Psychometric Properties of the Lebanese Waterpipe Dependence Scale-11 in 1490 Egyptian Waterpipe Tobacco Smokers—A Critical Approach

The CHRNA5 polymorphism (rs16969968) and its association with waterpipe smoking addiction among Jordanians

Examining the effect of waterpipe specific pictorial health warning labels among young adults in Lebanon and Tunisia: Protocol of a factorial experiment study design

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