Psikoloji Bölümü Koleksiyonu

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Citation - WoS: 145
Citation - Scopus: 145
Psychological Correlates of Covid-19 Conspiracy Beliefs and Preventive Measures: Evidence From Turkey
(Springer, 2020) Alper, Sinan; Bayrak, Fatih; Yılmaz, Onurcan
COVID-19 pandemic has led to popular conspiracy theories regarding its origins and widespread concern over the level of compliance with preventive measures. In the current preregistered research, we recruited 1088 Turkish participants and investigated (a) individual differences associated with COVID-19 conspiracy beliefs; (2) whether such conspiracy beliefs are related to the level of preventive measures; and (3) other individual differences that might be related to the preventive measures. Higher faith in intuition, uncertainty avoidance, impulsivity, generic conspiracy beliefs, religiosity, and right-wing ideology, and a lower level of cognitive reflection were associated with a higher level of belief in COVID-19 conspiracy theories. There was no association between COVID-19 conspiracy beliefs and preventive measures while perceived risk was positively and impulsivity negatively correlated with preventive measures. We discuss the implications and directions for future research.
Citation - WoS: 21
Citation - Scopus: 24
How People Can Become Persuaded by Weak Messages Presented by Credible Communicators: Not All Sleeper Effects Are Created Equal
(Academic Press Inc Elsevier Science, 2017) Albarracin, Dolores; Kumkale, Gökçe Tarcan; Vento, Patrick Poyner-Del
The sleeper effect has been proposed to describe temporal changes in persuasion for messages associated with noncredible sources. The present research introduces a new kind of sleeper effect denoting increases in persuasion for weak messages associated with credible sources. This effect of the source was hypothesized to derive from attending to the message source rather than the message arguments and reconstructing delayed attitudes primarily on the basis of the source information. Findings from three experiments revealed that when the focus of attention was the communicator there was a sleeper effect for the source. Specifically during the time between an immediate follow up and a delayed follow up persuasion increased when credible sources presented weak arguments. In contrast when the focus of attention was the message arguments a traditional sleeper effect emerged. That is persuasion increased when strong arguments were presented by a noncredible communicator. These effects were mediated by relative recall of arguments versus source attributes and replicated with different message topics and lengths of delay. (C) 2016 Published by Elsevier Inc.
Citation - WoS: 6
Citation - Scopus: 5
Beyond a Paycheck: the Influence of Workforce Participation on Women's Cancer Screening in Turkey
(Springer/Plenum Publishers, 2016) Sen, Celia K. Naivar; Baruh, Lemi; Kumkale, Gökçe Tarcan
The present study investigates the influence of workforce participation on women's cancer screening behaviors in Turkey. In cultures with predominantly Muslim populations like Turkey emphasis is typically placed on a woman's traditional role as a child bearer. Although the impact of workforce participation on women's welfare has been studied in various contexts the relationship between workforce participation and health protective behavior has received scant attention. Using quantitative data from a survey of women aged 40 and above from 33 urban cities in Turkey (N = 483) we examine the influence of workforce participation on breast and cervical cancer screening behaviors. Homemakers were less likely than working/retired women to be up-to-date on screenings. Women with lower income and education screened less
Citation - WoS: 23
Citation - Scopus: 25
Secondhand Smoke in Waterpipe Tobacco Venues in Istanbul Moscow and Cairo
(Academic Press Inc Elsevier Science, 2019) Moon, Katherine A.; Magid, Hoda; Torrey, Christine; Rule, Ana M.; Ferguson, Jacqueline; Susan, Jolie; Sun, Zhuolu; Abubaker, Salahaddin; Levshin, Vladimir; Çarkoğlu, Aslı; Radwan, Ghada Nasr; El-Rabbat, Maha; Cohen, Joanna E.; Strickland, Paul; Navas-Acien, Ana; Breysse, Patrick N.
Objective: The prevalence of waterpipe tobacco smoking has risen in recent decades. Controlled studies suggest that waterpipe secondhand smoke (SHS) contains similar or greater quantities of toxicants than cigarette SHS which causes significant morbidity and mortality. Few studies have examined SHS from waterpipe tobacco in real-world settings. The purpose of this study was to quantify SHS exposure levels and describe the characteristics of waterpipe tobacco venues. Methods: In 2012-2014 we conducted cross-sectional surveys of 46 waterpipe tobacco venues (9 in Istanbul 17 in Moscow and 20 in Cairo). We administered venue questionnaires conducted venue observations and sampled indoor air particulate matter (PM2.5) (N=35) carbon monoxide (CO) (N=23) particle-bound polycyclic aromatic hydrocarbons (p-PAHs) (N=31) 4-methylnitrosamino)-1-(3-pyridy1)-1-butanone (NNK) (N-43) and air nicotine (N=46). Results: Venue characteristics and SHS concentrations were highly variable within and between cities. Overall we observed a mean (standard deviation (SD)) of 5 (5) waterpipe smokers and 5 (3) cigarette smokers per venue. The overall median (25th percentile 75th percentile) of venue mean air concentrations was 136 (82 213) mu/m(3) for PM2.5 3.9 (1.7 22) ppm for CO 68 (33 121) ng/m(3) for p-PAHs 1.0 (0.5 1.9) ng/m(3) for NNK and 5.3 (0.7 14) mu g/m(3) for nicotine. PM2.5 CO and p-PAHs concentrations were generally higher in venues with more waterpipe smokers and cigarette smokers although associations were not statistically significant. Conclusion: High concentrations of SHS constituents known to cause health effects indicate that indoor air quality in waterpipe tobacco venues may adversely affect the health of employees and customers. (C) 2015 Elsevier Inc. All rights reserved.
Citation - WoS: 45
Citation - Scopus: 50
Relative Group Size and Minority School Success: the Role of Intergroup Friendship and Discrimination Experiences
(Wiley-Blackwell, 2014) Baysu, Gülseli; Phalet, Karen; Brown, Rupert
From an intergroup relations perspective relative group size is associated with the quantity and quality of intergroup contact: more positive contact (i.e. intergroup friendship) supports and negative contact (i.e. experienced discrimination) hampers minority identity and school success. Accordingly we examined intergroup contact as the process through which perceived relative proportions of minority and majority students in school affected minority success (i.e. school performance satisfaction and self-efficacy). Turkish minorities (N = 1060) were compared in four Austrian and Belgian cities which differ in their typical school ethnic composition. Across cities minority experiences of intergroup contact fully mediated the impact of perceived relative group size on school success. As expected higher minority presence impaired school success through restricting intergroup friendship and increasing experienced discrimination. The association between minority presence and discrimination was curvilinear however so that schools where minority students predominated offered some protection from discrimination. To conclude the comparative findings reveal positive and negative intergroup contact as key processes that jointly explain when and how higher proportions of minority students affect school success.
Citation - WoS: 6
Citation - Scopus: 7
Different Types of Religiosity and Lay Intuitions About Free Will/Determinism in Turkey
(Routledge Journals Taylor & Francis Ltd, 2018) Yılmaz, Onurcan; Bahçekapılı, Hasan G.; Harma, Mehmet
Religiosity has been found to be positively associated with belief in free will (FW) in the Western world. In the Muslim world however religiosity exhibits several characteristics that set it apart from the Western world including an overemphasis on fate or divine predestination. We therefore investigated FW/determinism beliefs and different types of religiosity and conservatism in two samples in Turkey a predominantly Muslim country (N=1690). In Study 1 a confirmatory factor analysis showed that FAD-Plus provided good fit to the data. Study 2 revealed that FW belief is not related to any of the religiosity measures (intrinsic extrinsic quest) whereas fatalistic determinism is consistently related to religiosity. The unique predictor of free will turned out to be belief in a just world. Overall these findings indicate that FW belief is not inherently related to religiosity in Turkey whereas fatalistic determinism is central to Turkish people's belief systems.
Citation - WoS: 10
Citation - Scopus: 10
Early Event Understanding Predicts Later Verb Comprehension and Motion Event Lexicalization
(Amer Psychologıcal Assoc, 2019) Aktan-Erciyes, Aslı; Göksun, Tilbe
Before infants produce words, they can discriminate changes in motion event components such as manner (how an action is performed) and path (trajectory of an action). Individual differences in nonlinguistic event categorization are related to children's later verb comprehension (Konishi, Stahl, Golinkoff, & Hirsh-Pasek, 2016). We asked: (a) Do infants learning Turkish, a verb-framed language, attend to both manner and path changes in motion events? (b) Is early detection of path and manner related to children's later verb comprehension and (c) how they describe motion events? Thirty-two Turkish-reared children were tested at three time points. At Time 1, infants (M-age = 14.5 months) were tested on their detection of changes in path and manner using the Preferential Looking Paradigm. At Time 2, children were tested on their receptive language skills (M-age = 22.07 months). At Time 3, children performed 3 tasks (M-age = 35.05 months): a verb comprehension task, an event description task depicting motion events with different path and manner combinations, and an expressive language task. The ability to detect changes in event components at Time 1 predicted verb comprehension abilities at Time 3, beyond general receptive and expressive vocabulary skills at Times 2 and 3. Infants who noticed changes in path and manner at Time 1 used fewer manner-only descriptions and more path-any descriptions (i.e., descriptions that included a path component with or without manner) in their speech at Time 3. These findings suggest that early detection of event components is associated not only with verb comprehension, but also with how children lexicalize event components in line with their native language.
Electronic Cigarette and Quit Smoking Quest in Twitter: Preliminary Study
(European Respiratory Soc Journals Ltd, 2018) Uysal, Mehmet Atilla; Çarkoğlu, Aslı; Kurnaz, Ahmet
Aims: Use of electronic cigarettes has dramatically increased in last few years. Although the sales of e-cigarettes were banned since 2013, they can still be easily purchased via online sales, and its' advertisement is rife in the social media. We aimed to take a closer look at the contents of the shared information about e-cigarettes on one such media outlet, Twitter. Methods: We tracked twitter for 102 days (from 25.09.2017-26.01.2018) searching for Turkish key words “electronic cigarettes”, “ ecigarettes”, or “e-cigarettes” using R software. This data was classified using unsupervised topic modelling. Resulting dataset was reduced and classified and 15 topics were established. Results: First 10 terms under each of the 15 topics were prioritized for this presentation. Words such as tobacco, dependence, cancerogen, substance, containing, waterpipe, liquid, liver indicated a general “harms of e-cigarettes” idea. Terms such as liquid, atomiser, IQS, health, aroma, variety, price, e-cigarette device pointed to “product advertising and marketing”. Text under topic 8 was more concerned with legalization issues, indicated by text such as “Iqos”(6) “omnibus bill”, “legal”. Text under topics 9 and 10 and the videos under topic 11 were mostly related to constraints in use and safety issues. Conclusion: Results of the study showed that chatter in the Turkish social media is mostly focused on those smokers contemplating quitting due to health risks involved in smoking. This points to an important opportunity for tobacco control community in Turkey to further inform the public on healthy ways to quit smoking and work to make cessation services more accessable Footnotes Cite this article as: European Respiratory Journal 2018 52: Suppl. 62, PA4544. This is an ERS International Congress abstract. No full-text version is available. Further material to accompany this abstract may be available at www.ers-education.org (ERS member access only).
Citation - WoS: 12
Citation - Scopus: 12
Positional Priming of Visual Pop-Out Search Is Supported by Multiple Spatial Reference Frames
(Frontiers Media, 2015) Gökçe, Ahu; Mueller, Hermann J.; Geyer, Thomas
The present study investigates the representations(s) underlying positional priming of visual pop-out' search (Maljkodc and Nakayama 1996). Three search items (one target and two distractors) were presented at different locations in invariant (Experiment 1) or random (Experiment 2) cross-trial sequences. By these manipulations it was possible to disentangle retinotopic spatiotopic and object-centered priming representations. Two forms of priming were tested: target location facilitation (i.e. faster reaction times - RTswhen the trial n target is presented at a trial n-1 target relative to n-1 blank location) and distractor location inhibition (i.e. slower RTs for n targets presented at n-1 distractor compared to n-1 blank locations). It was found that target locations were coded in positional short-term memory with reference to both spatiotopic and object-centered representations (Experiment 1 vs. 2). In contrast distractor locations were maintained in an object-centered reference frame (Experiments 1 and 2). We put forward the idea that the uncertainty induced by the experiment manipulation (predictable versus random cross-trial item displacements) modulates the transition from object- to space-based representations in cross-trial memory for target positions.
Citation - WoS: 6
Citation - Scopus: 7
Are We at All Liberal at Heart? High-Powered Tests Find No Effect of Intuitive Thinking on Moral Foundations
(Academic Press Inc., 2021) Yılmaz, Onurcan;İşler, Ozan;Doğruyol, Burak
Two opposing views define the debate on the moral principles underlying human behavior. One side argues a central role for five moral foundations (care, fairness, loyalty, authority, sanctity), while the other argues that two of these (care, fairness) capture the essence of human moral concerns. In an experiment comparing these two views, Wright and Baril (2011) found that conservatives under cognitive load devalue loyalty, authority and sanctity, and become more liberal. Their finding of common intuitive concern with care and fairness supports the two-foundation perspective. In two high-powered preregistered experiments (N = 3275), we used time-pressure to induce intuitive thinking and tested Wright and Baril's finding that “we are all liberals at heart.” Although the manipulations worked as intended, Study 1 failed to identify an effect on the moral foundations questionnaire (MFQ). We conjectured that familiarity with standard survey items may weaken intuition manipulations by eliciting stable opinions. In Study 2, we therefore used not only the MFQ but also novel moral foundations vignettes. Study 2 failed to find an effect of time-pressure on either questionnaire type. An internal Bayesian meta-analysis indicated strong evidence against an effect of intuitive thinking on moral foundations.
Citation - WoS: 10
Citation - Scopus: 13
Factors That Influence Attitude and Enforcement of the Smoke-Free Law in Turkey: a Survey of Hospitality Venue Owners and Employees
(Bmj Publishing Group, 2017) Aherrera, Angela; Çarkoğlu, Aslı; Hayran, Mutlu; Ergör, Gül; Ergüder, Toker; Kaplan, Bekir; Susan, Jolie; Zheng, Laura; Cohen, Joanna E.; Navas-Acien, Ana
Introduction In 2009 Turkey extended the smoke-free legislation to hospitality venues. Compliance however remains low in some hospitality venues. We identified characteristics associated with knowledge of health effects that can be prevented by the smoke-free law the attitude towards and enforcement of the law. Methods In 2014 we conducted 400 interviews with hospitality venue owners and employees in 7 cities in Turkey. The venues were identified based on a random sampling strategy in a previous phase of the study. Results Over one-third (37.3%) of hospitality owners and employees had adequate knowledge of the health effects from secondhand smoke (SHS) 71.3% had a positive attitude towards the law and 19.5% had personally enforced the law. Participants who worked 70 hours or more per week were more likely to have a positive attitude towards the law. Older individuals women participants working in bars/nightclubs venue owners receiving fines for non-compliance and current smokers were less likely to have a positive attitude towards the law. Participants working in traditional coffee houses former smokers and participants with a high school education or greater were more likely to enforce the law. Smokers who quit or reduced smoking because of the law were more likely to enforce the law compared with those who were not influenced by the law. Conclusions Although the attitude towards the law was positive interventions are needed to increase knowledge on the health effects of SHS and facilitate enforcement of the law particularly among subgroups less likely to have a positive attitude and enforce the law.
Citation - WoS: 34
Citation - Scopus: 38
Compliance With Smoke-Free Legislation Within Public Buildings: a Cross-Sectional Study in Turkey
(World Health Organization, 2016) Navas-Acien, Ana; Çarkoğlu, Aslı; Ergör, Gül; Hayran, Mutlu; Ergüder, Toker; Kaplan, Bekir; Susan, Jolie; Magid, Hoda; Pollak, Jonathan; Cohen, Joanna E.
ObjectiveTo investigate public compliance with legislation to prohibit smoking within public buildings and the extent of tobacco smoking in outdoor areas in Turkey. Methods Using a standardized observation protocol we determined whether smoking occurred and whether ashtrays cigarette butts and/or no-smoking signs were present in a random selection of 884 public venues in 12 cities in Turkey. We visited indoor and outdoor locations in bars/nightclubs cafes government buildings hospitals restaurants schools shopping malls traditional coffee houses and universities. We used logistic regression models to determine the association between the presence of ashtrays or the absence of no-smoking signs and the presence of individuals smoking or cigarette butts. Findings Most venues had no-smoking signs (629/884). We observed at least one person smoking in 145 venues most frequently observed in bars/nightclubs (63/79) hospital dining areas (18/79) traditional coffee houses (27/120) and government-building dining areas (5/23). For 538 venues we observed outdoor smoking close to public buildings. The presence of ashtrays was positively associated with indoor smoking and cigarette butts adjusted odds ratio aOR: 315.9
Donors' Evaluation of Their Lives Following the Diagnosis of Liver Failure and Transplantation Surgery
(Elsevier France-Editions Scientifiques Medicales Elsevier, 2015) Krespi-Boothby, Margörit Rita; Tankurt, A.; Acarli, Koray; Kalayoglu, Murat; Kanmaz, Turan
[Abstract Not Available]
Citation - WoS: 1
Digital Epidemiology: Can Google Trends Give Some Information About Electronic Cigarette Usage in Turkey?
(European Respiratory Soc Journals Ltd, 2018) Uysal, Mehmet Atilla; Niksarlioglu, Yelda; Çarkoğlu, Aslı; Uysal, Omer; Kutluk, Ali Cevat; Karadag, Bulent
[Abstract Not Available]
Citation - WoS: 60
Citation - Scopus: 68
Minority Adolescents in Ethnically Diverse Schools: Perceptions of Equal Treatment Buffer Threat Effects
(Wiley, 2016) Baysu, Gülseli; Celeste, Laura; Brown, Rupert; Verschueren, Karine; Phalet, Karen
Can perceptions of equal treatment buffer the negative effects of threat on the school success of minority studentş Focusing on minority adolescents from Turkish and Moroccan heritage in Belgium (M-age=14.5 N=735 in 47 ethnically diverse schools) multilevel mediated moderation analyses showed: (a) perceived discrimination at school predicted lower test performance (b) experimentally manipulated stereotype threat decreased performance (mediated by increased disengagement) (c) perceived equal treatment at school predicted higher performance (mediated by decreased disengagement) and (d) personal and peer perceptions of equal treatment buffered negative effects of discrimination and stereotype threat. Thus (situational) stereotype threat and perceived discrimination at school both undermine minority student success whereas perceived equal treatment can provide a buffer against such threats.
Citation - WoS: 22
Citation - Scopus: 24
Waterpipe Tobacco Smoke: Characterization of Toxicants and Exposure Biomarkers in a Cross-Sectional Study of Waterpipe Employees
(Pergamon-Elsevier Science Ltd, 2019) Kaplan, Bekir; Sussan, Thomas; Rule, Ana M.; Moon, Katherine A.; Grau-Perez, Maria; Olmedo, Pablo; Chen, Rui; Çarkoğlu, Aslı; Levshin, Vladimir; Wang, Lanqing; Watson, Clifford; Blount, Benjamin; Calafat, Antonia M.; Jarrett, Jeffery; Caldwell, Kathleen; Wang, Yuesong; Breysse, Patrick N.; Strickland, Paul; Cohen, Joanna E.; Biswal, Shyam; Navas-Acien, Ana
Introduction: Few studies have comprehensively characterized toxic chemicals related to waterpipe use and secondhand waterpipe exposure. This cross-sectional study investigated biomarkers of toxicants associated with waterpipe use and passive waterpipe exposure among employees at waterpipe venues. Method: We collected urine specimens from employees in waterpipe venues from Istanbul Turkey and Moscow Russia and identified waterpipe and cigarette smoking status based on self-report. The final sample included 110 employees. Biomarkers of exposure to sixty chemicals (metals volatile organic compounds (VOCs) polycyclic aromatic hydrocarbons (PAHs) nicotine and heterocyclic aromatic amines (HCAAs)) were quantified in the participants' urine. Results: Participants who reported using waterpipe had higher urinary manganese (geometric mean ratio (GMR): 2.42 95% confidence interval (CI): 1.16 5.07) than never/former waterpipe or cigarette smokers. Being exposed to more hours of secondhand smoke from waterpipes was associated with higher concentrations of cobalt (GMR: 1.38 95% CI: 1.10 1.75). Participants involved in lighting waterpipes had higher urinary cobalt (GMR: 1.43 95% CI: 1.10 1.86) cesium (GMR: 1.21 95% CI: 1.00 1.48) molybdenum (GMR: 1.45 95% CI: 1.08 1.93) 1-hydroxypyrene (GMR: 1.36 95% CI: 1.03 1.80) and several VOC metabolites. Conclusion: Waterpipe tobacco users and nonsmoking employees of waterpipe venues had higher urinary concentrations of several toxic metals including manganese and cobalt as well as of VOCs in a distinct signature compared to cigarette smoke. Employees involved in lighting waterpipes may have higher exposure to multiple toxic chemicals compared to other employees.
Citation - WoS: 31
Citation - Scopus: 43
Acculturation Attitudes and Social Adjustment in British South Asian Children: a Longitudinal Study
(Sage Publications Inc, 2013) Brown, Rupert; Baysu, Gülseli; Cameron, Lindsey; Nigbur, Dennis; Rutland, Adam; Watters, Charles; Hossain, Rosa; LeTouze, Dominique; Landau, Anick
A 1-year longitudinal study with three testing points was conducted with 215 British Asian children aged 5 to 11 years to test hypotheses from Berry's acculturation framework. Using age-appropriate measures of acculturation attitudes and psychosocial outcomes it was found that (a) children generally favored an integrationist attitude and this was more pronounced among older (8-10 years) than in younger (5-7 years) children and (b) temporal changes in social self-esteem and peer acceptance were associated with different acculturation attitudes held initially as shown by latent growth curve analyses. However a supplementary time-lagged regression analysis revealed that children's earlier integrationist attitudes may be associated with more emotional symptoms (based on teachers' ratings) 6 months later. The implications of these different outcomes of children's acculturation attitudes are discussed.
Citation - WoS: 17
Citation - Scopus: 20
All the Dark Triad and Some of the Big Five Traits Are Visible in the Face
(Pergamon-Elsevıer Scıence Ltd, 2021) Alper, Sinan; Bayrak, Fatih; Yılmaz, Onurcan
Some of the recent studies suggested that people can make accurate inferences about the level of the Big Five and the Dark Triad personality traits in strangers by only looking at their faces. However, later findings provided only partial support and the evidence is mixed regarding which traits can be accurately inferred from faces. In the current research, to provide further evidence on whether the Big Five and the Dark Triad traits are visible in the face, we report three studies, two of which were preregistered, conducted on both WEIRD (the US American) and non-WEIRD (Turkish) samples (N = 880). The participants in both the US American and Turkish samples were successful in predicting all Dark Triad personality traits by looking at a stranger's face. However, there were mixed results regarding the Big Five traits. An aggregate analysis of the combined dataset demonstrated that extraversion (only female), agreeableness, and conscientiousness were accurately inferred by the participants in addition to the Dark Triad traits. Overall, the results suggest that inferring personality from faces without any concrete source of information might be an evolutionarily adaptive trait.
Citation - WoS: 6
Citation - Scopus: 11
Engaging Nurses in Smoking Cessation: Challenges and Opportunities in Turkey
(Elsevier Ireland Ltd., 2018) Nichter, Mimi; Çarkoğlu, Aslı; Nichter, Mark; Ozcan, Seyda; Uysal, Mehmet Atilla
This paper discusses the training of nurses in smoking cessation as part of routine patient care in Turkey. Formative research was carried out prior to training to identify challenges faced by smokers when trying to quit. Site visits to government hospitals and cessation clinics were conducted to observe health care provider-patient interactions involving behavior change. Four culturally sensitive cessation training workshops for nurses (n=54) were conducted in Istanbul. Following training nurses were debriefed on their experiences delivering cessation advice. Challenges to cessation counseling included lack of time and incentives for nurse involvement, lack of skills to deliver information about the harm of smoking and benefits of quitting, the medicalization of cessation through the use of pharmaceuticals, and hospital policy which devalues time spent on cessation activities. The pay-for-performance model currently adopted in hospitals has de-incentivized doctor participation in cessation clinics. Nurses play an important role in smoking cessation in many countries. In Turkey hospital policy will require change so that cessation counseling can become a routine part of nursing practice incentives for providing cessation are put in place and task sharing between nurses and doctors is clarified. Nurses and doctors need to receive training in both the systemic harms of smoking and cessation counseling skills. Opportunities challenges and lessons learned are highlighted. (C) 2017 Elsevier B.V. All rights reserved.
Citation - WoS: 15
Citation - Scopus: 17
Biomarkers of Secondhand Smoke Exposure in Waterpipe Tobacco Venue Employees in Istanbul Moscow and Cairo
(Oxford University Press, 2018) Moon, Katherine A.; Rule, Ana M.; Magid, Hoda; Ferguson, Jacqueline; Susan, Jolie; Sun, Zhuolu; Torrey, Christine; Abubaker, Salahaddin; Levshin, Vladimir; Çarkoğlu, Aslı; Radwan, Ghada Nasr; El-Rabbat, Maha; Cohen, Joanna E.; Strickland, Paul; Breysse, Patrick N.; Navas-Acien, Ana
Background: Most smoke-free legislation to reduce secondhand smoke (SHS) exposure exempts waterpipe (hookah) smoking venues. Few studies have examined SHS exposure in waterpipe venues and their employees. Methods: We surveyed 276 employees of 46 waterpipe tobacco venues in Istanbul Moscow and Cairo. We interviewed venue managers and employees and collected biological samples from employees to measure exhaled carbon monoxide (CO) hair nicotine saliva cotinine urine cotinine urine 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol (NNAL) and urine 1-hydroxypyrene glucuronide (1-OHPG). We estimated adjusted geometric mean ratios (GMR) of each SHS biomarker by employee characteristics and indoor air SHS measures. Results: There were 73 nonsmoking employees and 203 current smokers of cigarettes or waterpipe. In nonsmokers the median (interquartile) range concentrations of SHS biomarkers were 1.1 (0.2 40.9) mu g/g creatinine urine cotinine 5.5 (2 15) ng/mL saliva cotinine 0.95 (0.36 5.02) ng/mg hair nicotine 1.48 (0.98 3.97) pg/mg creatinine urine NNAL 0.54 (0.25 0.97) pmol/mg creatinine urine 1-OHPG and 1.67 (1.33 2.33) ppm exhaled CO. An 8-hour increase in work hours was associated with higher urine cotinine (GMR: 1.68 95% CI: 1.20 2.37) and hair nicotine (GMR: 1.22 95% CI: 1.05 1.43). Lighting waterpipes was associated with higher saliva cotinine (GMR: 2.83 95% CI: 1.05 7.62). Conclusions: Nonsmoking employees of waterpipe tobacco venues were exposed to high levels of SHS including measurable levels of carcinogenic biomarkers (tobacco-specific nitrosamines and PAHs).

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