Waterpipe smoking among American military recruits

Where should I start? A scoping review about the publications on clove cigarettes

INTRODUCTION

The general lack of knowledge about the composition of clove cigarettes and the large number of terms that can be used to define different types of cigarettes that contain cloves makes it difficult to find scientific articles focused on the subject. We reviewed the publications that cited clove cigarettes to assess their relevance.

METHODS

We searched publications on Scopus, ScienceDirect, PubMed, and Portal CAPES during the first semester of 2021, without date restrictions. Through a quality assessment, the studies found were assorted in ten different categories.

RESULTS

Indonesian clove cigarettes-also known as kretek-are a mixture of tobacco and cloves rolled in a cigarette and sprayed with oils, plant extract, and food flavorings, in an unknown quantity and composition, different from each brand, which is usually kept in secret. Due to the relatively low prevalence of use in the general population, most publications on tobacco products tend to ignore clove cigarettes or place them in an existing category. Clove cigarettes can be hand-rolled, machine-made, filtered, unfiltered, and each form can be named differently. The interchangeable use of each term, sometimes grouping conventional cigarettes in the mix, can lead the researcher to consider a publication that should be excluded.

CONCLUSION

The existing regulations on flavored cigarettes, although well-intentioned, are still somewhat vague and broad, leaving possible loopholes that can be exploited by the tobacco industries. Fully understanding the precise effects caused by clove cigarettes can be an important tool in future discussions about tobacco control.

Agent-based Modeling in Tobacco Regulatory Science: Exploring 'What if' in Waterpipe Smoking

Objectives

Waterpipe tobacco smoking (WTS) is an emerging public health crisis, particularly among youth and young adults. Different from the use of other tobacco products and e-cigarettes, WTS tends to be a social activity occurring among friends or persons associated with social networks. In this paper, we review a potential strategy for WTS-related research.

Methods

As a bottom-up computational model, agent-based modeling (ABM) can simulate the actions and interactions of agents, as well as the dynamic interactions between agents and their environments, to gain an understanding of the functioning of a system. ABM is particularly useful for incorporating the influence of social networks in WTS, and capturing people's space-time activity and the spatial distribution of WTS venues.

Results

Comprehensive knowledge of WTS-related behaviors at the individual level is needed to take advantage of ABM and use it to examine policies such as the interaction between WTS and cigarette smoking and the effect of flavors used in waterpipe tobacco. Longitudinal and WTS-specific surveys and laboratory experiments are particularly helpful to understand WTS basic mechanisms and elicit individual preferences, respectively.

Conclusions

We argue that the uniqueness of WTS makes ABM a promising tool to be used in WTS-related research, as well as understanding use of other tobacco products.

Waterpipe Tobacco Smoking: A Mini-review

The waterpipe tobacco smoking is an ancient form of smoking that is present in the society since centuries. The majority of consumers of this exotic activity are still unaware of the serious consequences that this type of smoking has on the health of the smoker. The paucity of data related to the prevalence and extent of this habit in the society is still not available. In this present short review, the authors try to highlight this serious health issue and suggest preventive measures.

Prevalence and factors associated with use of hookah tobacco among young adults in the U.S

INTRODUCTION

Among young adults, use of hookah tobacco (HT) is an emerging health-risk behavior. The goals were to demonstrate that (1) the prevalence of ever-use and current use of HT increased among U.S. young adults (18-30 years old) in the period from 2010 to 2015 and (2) the patterns of HT use differed across diverse demographic subpopulations of young adults.

METHODS

We merged and analyzed data from the 2010-2011 and 2014-2015 Tobacco Use Supplement to the Current Population Survey. The sample (n = 55,352) was representative of the young adult population in the U.S. Two binary measures were the ever and current use of HT. The significance level was 5%.

RESULTS

The rate of current use of HT increased from 1% in 2010-11 to 2% in 2014-15 (CI = 0.6%:1.1%). The rate of ever-use increased from 7% to 12% (CI = 4.2%:5.6%). The over-time increase was not uniform: the increase was most rapid among 26-30 year-old adults, non-Hispanic Black and African American adults, and in Northeastern and Midwestern U.S. regions. HT ever-use, overall, was associated (all p's < 0.001) with many sociodemographic factors and current tobacco-use behaviors. The rate of HT ever-use was 16% for daily and 23% for occasional cigarette smokers, 23% for users of smokeless tobacco products, 37% for cigar smokers, and 55% for smokers of regular pipe (filled with tobacco).

DISCUSSION/CONCLUSION

HT use is becoming increasingly more popular among young adults in the U.S. Methods should target not only cessation of cigarette smoking but use of all tobacco products.

Analysis of State-Specific Prevalence, Regional Differences, and Correlates of Hookah Use in U.S. Adults, 2012-2013

OBJECTIVE

To investigate the state-specific prevalence, regional differences, and correlates of hookah use among U.S. adults.

METHODS

We analyzed the most recent nationally representative data of adults from the National Adult Tobacco Survey (NATS) 2012-2013 (n = 60192). State-specific prevalence of lifetime and current hookah use was calculated and mapped. Multivariate logistic regression was performed to determine the association between sociodemographic characteristics, regional differences, and hookah use.

RESULTS

Among U.S. adults (≥18 years), overall prevalence of lifetime hookah use was 12.3%, while current use was 3.9%. Mapping of state-specific prevalence revealed that the West tended to have higher rates of use, while the South tended to have lower ones. In the adjusted model, we observed that current hookah use was positively associated with younger adults, males, non-Hispanic adults, those with higher education and income statuses, being single, those living in the West, and current cigarette use.

CONCLUSION

The prevalence of hookah use varies by state, region, and sociodemographic characteristics among adults. Future research, including longitudinal studies, are needed to identify geographic and sociodemographic characteristics and trends among hookah users, investigate hookah-related health outcomes, and evaluate targeted public health efforts aimed at this emerging threat.

IMPLICATIONS

This study investigates state-level prevalence, regional differences, and sociodemographic characteristics of hookah use among U.S. adults, using the most recent NATS. Hookah use was positively associated with younger adults and those living in the West. This study adds to the understanding of the geographic and sociodemographic factors underlying hookah use, which can be used to develop much needed evidence-based regulations and programs that are responsive to the needs of different risk groups.

Waterpipe smoking among health sciences university students: Knowledge, attitude and patterns of use

INTRODUCTION

Although waterpipe smoking is common in Gulf counties, its prevalence in Saudi Arabia is uncertain. The purposes of this study were (a) to assess the prevalence of waterpipe smoking among healthcare university students in Saudi Arabia and (b) to determine their attitudes and practices of waterpipe smoking.

MATERIALS AND METHODS

A cross-sectional survey was conducted among university students of three different health sciences colleges, namely medical, dental, and pharmacy, of a public university, through random cluster sampling. The questionnaire was designed to ask specific questions related to smoking in general and to waterpipe smoking specifically. The study was approved by the institutional research & ethics committees.

RESULTS

A total of 535 participants were included in the study. More than one-third of the participants that reported having ever smoked a waterpipe (n = 198, 37%), and the majority of these were current smokers (62.1%, n = 123); dental students were the most common (45.5%, n = 90). Curiosity and pleasure-seeking were the main factors associated with starting waterpipe smoking. About one-sixth (14.9%, n = 80) of the participants failed to identify a single harmful effect, while a vast majority of participants considered waterpipe smoking to be less unhealthy than cigarette smoking.

CONCLUSION

Waterpipe smoking is very popular among Saudi university students, and knowledge among university students about the dangers of waterpipe smoking is alarmingly low.

Prevalence and predictors of hookah use in US Air Force military recruits

INTRODUCTION

Hookah use has gained recent popularity among U.S. youth. The current study describes the characteristics and correlates associated with hookah use in late adolescent and young adult US Air Force (USAF) recruits.

METHODS

Data were obtained from a cross-sectional questionnaire of USAF personnel in Technical Training School at Joint Base San Antonio (N=10,997). Response rate was 78%. Logistic regression was used to analyze the associations between hookah use, demographic variables, other tobacco and nicotine containing product (TNCP) use, and the social environment.

RESULTS

The prevalence of ever hookah use was 28%; at least monthly hookah use was 10%. Increased hookah use was positively associated with Hispanic ethnicity (OR [odds ratio] 1.52; 95% CI: 1.25, 1.85), cigarette smoking (OR 4.05; CI: 3.41, 4.82) and smokeless tobacco use (OR 1.35; 95% CI: 1.07, 1.71). Hookah use was negatively associated with age (OR 0.84; 95% 0.71 to 1.00), living as married (OR 0.54; 95% CI: 0.40-0.72), African American (OR 0.53; 95% CI: 0.40, 0.69) and ≥4-year degree (OR 0.54; 95% CI: 0.35, 0.82). Hookah use was highest among recruits who "many or almost all" of their friends smoked cigarettes (OR 2.43; 95% CI: 1.80, 3.30) and for those who reported willingness to try a tobacco product that claims to be safer than cigarettes (OR 3.16; 95% CI: 2.64, 3.77).

CONCLUSIONS

Hookah use among military recruits is similar to the civilian population. A willingness to try TNCPs claiming to be safer than cigarettes may influence hookah use. Public health campaigns disseminating accurate information about hookah health risks may be needed to reduce hookah use among youth.

Promotion of waterpipe tobacco use, its variants and accessories in young adult newspapers: a content analysis of message portrayal

The objective of our study was to identify waterpipe tobacco smoking advertisements and those that promoted a range of products and accessories used to smoke waterpipe tobacco. The content of these advertisements was analyzed to understand the messages portrayed about waterpipe tobacco smoking in young adult (aged 18-30) newspapers. The study methods include monitoring of six newspapers targeting young adults from four major cities in the Southeastern United States over a 6-month period. A total of 87 advertisements were found; 73.5% (64) were distinct and content analyzed. The study results showed that of the advertisements analyzed, 25% advertised waterpipe tobacco smoking, 54.7% featured waterpipe tobacco smoking and other tobacco use, 14.1% featured non-tobacco waterpipe variants (i.e. vaporizers), and 6.3% featured waterpipe apparatus accessories (e.g. charcoal, hoses). The sociability (34%) and sensuality (29.7%) of waterpipe smoking were promoted themes. Alternative to cigarette use messages (3.1%), and harm-reduction messages (17.1%) emphasized that smoking waterpipe tobacco using the featured accessory or waterpipe variant was a healthier experience than cigarette smoking. The study concluded that the messages that promoted waterpipe tobacco smoking to young adults are parallel to those used to promote cigarette use. Tobacco control professionals should continue to monitor young adult newspapers as a source of waterpipe-related advertising.

Waterpipe smoking: not necessarily less hazardous than cigarette smoking : Possible consequences for (cardiovascular) disease

CONTEXT

Cigarette smoking has declined over the last years in modern countries. On the contrary, waterpipe smoking has increased, especially among young people visiting waterpipe bars. Unfortunately, most waterpipe smokers seem to know little about the possible cardiovascular and other health consequences of waterpipe smoking.

OBJECTIVE

To describe by narrative literature review the known adverse consequences for the human body caused by smoking the waterpipe compared with the consequences of smoking normal cigarettes. Also, to get a picture of public awareness of these consequences as deducted from the literature and a small new survey in the Netherlands.

RESULTS/CONCLUSIONS

Tobacco smoking is associated with serious adverse (cardiovascular) health effects, and there is no evidence that these effects are less serious if a waterpipe is used. The increasing use together with the limited amount of awareness and attention for the possible health consequences of smoking the waterpipe is worrisome. Especially considering the increasing acceptance and use of the waterpipe among the youth. Therefore we recommend more systematic research into the possible health hazards of waterpipe smoking. In the meantime education campaigns and materials are needed to raise public awareness on the possible health risks of waterpipe use.

To what extent should waterpipe tobacco smoking become a public health priority?

BACKGROUND

Waterpipe tobacco smoking (WTS) popularity is increasing world-wide, and health effects are emerging in the light of evidence that WTS is perceived by users as less harmful than cigarette smoking. However, there remains a paucity of available evidence from which to draw firm conclusions about its public health significance.

AIMS

This narrative review aims to summarize WTS literature to date to inform tobacco control specialists and health-care professionals about this phenomenon and help them to assess whether or not WTS should become a public health priority.

METHODS

Standard electronic databases as well as conference proceedings and personal libraries were searched in English, French and Arabic with inclusive terminology for the variety of names given to WTS.

FINDINGS

Waterpipe smoke contains significant levels of toxins, some of which are known to be carcinogenic to humans. Recent epidemiological trends have established an increasing prevalence of WTS in the Middle East and the United States, particularly among adolescents. It is used commonly across multiple ethnicities and both genders with less of a social gradient than cigarette smoking. Attitudes and beliefs have been researched widely and several reasons for believing it is less harmful than cigarette smoking include water filtration and social acceptability. A wide range of diseases have been associated with WTS, but research in this area is relatively underdeveloped and a better evidence base is needed. Worryingly, the waterpipe industry, including waterpipe cafes, operates in an almost completely unregulated market and employs deceptive marketing techniques to attract new users.

CONCLUSIONS

Waterpipe tobacco smoking (WTS) appears to be on the increase, especially among younger users, and therefore represents a potential public health concern. While legislators should consider enforcing and extending existing tobacco laws to a growing WTS industry, further research is required to fill gaps in the literature and provide evidence-based interventions for tobacco control specialists and health-care professionals.

Hookah use among adolescents in the United States: results of a national survey

INTRODUCTION

U.S. adolescents increasingly use alternative tobacco products (ATPs), including hookah. No study has previously assessed correlates of adolescent hookah use in a nationally representative sample.

METHODS

Cross-sectional, nationally representative data of adolescents from the 2011 National Youth Tobacco Survey (NYTS) were used. Student demographics and their use of, exposure to, and beliefs about tobacco were examined as correlates of hookah use.

RESULTS

Of adolescents nationwide, 7.3% reported ever trying hookah and 2.6% reported using hookah within the past month. Increasing age was associated with trying hookah, but not current hookah use. Sex was unassociated with hookah use. Asians were most likely to have tried hookah; Hispanics and those of another race reported greater current hookah use. Hookah use increased with perceived ease of access to and willingness to try tobacco. Students with a hookah user at home were more likely to have tried hookah and to currently use hookah. Current cigarette use was not associated with current hookah use (odds ratio [OR] = 1.3, 95% CI = 0.8-2.1), but was associated with trying hookah (OR = 1.5, 95% CI = 1.1-2.2). Non-cigarette tobacco use was associated with trying hookah (OR = 2.7, 95% CI = 2.1-3.5) and current hookah use (OR = 4.8, 95% CI = 2.7-8.7).

CONCLUSIONS

A sizeable minority of U.S. adolescents use hookah, particularly those living with hookah users, those who use other ATPs, and those who perceive tobacco as easily accessible. Current cigarette use was not associated with current hookah use. Future studies assessing the dangers of hookah use and interventions to curb this emerging problem appear warranted.

Tobacco exposure may enhance inflammation in prostate carcinoma patients: an explorative study in north Indian population

Prostate cancer is responsible for major deaths globally after lung cancer. However, etiology of prostate cancer is still unknown. Individual risk and incidence of prostate cancer may result from the interaction of genetic susceptibility with exposure to environmental factors such as infectious agents, tobacco, occupational exposure, dietary carcinogens, and/or hormonal imbalances leading to injury of the prostate and to the development of chronic inflammation. About 30% of all human cancers are caused by tobacco smoking and inhaled pollutants. Inflammation is now regarded as an important hallmark of cancer. The present study has been aimed to explore the pro-inflammatory levels in prostate carcinoma patients by examining the serum levels of novel cytokine interleukin-18 (IL-18) expression in tobacco exposed population. A total of 578 (n = 284 biopsy proven prostate cancer patients, n = 294 controls with and without tobacco exposed population) were recruited. Serum IL-18 (Interleukin-18) level was done by ELISA. The IL-18 levels between cancer patients and controls within same mode tobacco exposure as tobacco smoking (overall) showed significant difference (P < 0.0001) and further we compared within stratified group, it significantly differ (P < 0.0001) in bidi and cigarette smoking than control non users. Furthermore, IL-18 levels in tobacco chewers (overall) with gutkha and khaini chewers showed significant difference (P < 0.01) than controls non users. Moreover, the IL-18 levels between cancer patients and controls with in of combined mode chewers smokers and alcohol (CSA), smokers with alcohol showed significant difference (P < 0.01) than controls. The IL-18 levels also differed significantly (P < 0.05) with smokers and chewers in higher stages of III and IV, and showed non significant with in lower stages. Tobacco exposure enhance the inflammation in prostate carcinoma patients in stratified group as it have been represented as a risk factors in various cancers, but this study provide further its role that seems to influence inflammation especially in prostate carcinoma.

Examining hookah smoking among a cohort of adolescent ever smokers

INTRODUCTION

Evidence suggests that hookah smoking is growing among adolescents, particularly among those with a history of cigarette smoking, and is an emerging public health concern. We examined hookah use and its correlates among a sample of adolescents who have ever smoked and may be considered high risk for hookah use.

METHODS

We examined differences between hookah users and nonusers among a cohort of 951 adolescents (75.3% of the baseline sample, mean age 17.6 years at 24 months), consisting exclusively of youth who reported ever smoking cigarettes who were participating in a longitudinal study of adolescent smoking predictors and patterns. Ever and 30-day hookah use were assessed at 24 months.

RESULTS

Of the 951 participants, 58.5% reported ever use and 30.2% reported smoking hookah at least 1 day in the past 30 days. Multivariate logistic regression analyses found that 30-day hookah use was associated with sex (p < .05); race (p < .001); current cigarette (p < .0001), cigar (p < .01), kretek (p < .05), and alcohol use (p < .01); and attending a hookah bar, lounge, or restaurant (p < .001). Participants who were male, White, and were concurrent users of multiple tobacco products and other substances had increased odds of 30-day hookah use.

CONCLUSIONS

Prevalence of hookah use is high among youth who have already tried cigarette smoking and is associated with a variety of tobacco and other substance use behaviors. Evidence-based programs may be needed to prevent initiation of or reduce Hookah smoking, as well as address cooccurring problem behaviors, to lessen the health risks associated with use among adolescents.

Increasing hookah use in California

Hookah use is gaining popularity nationwide. We determined the correlates and trends for hookah use from the California Tobacco Survey. Between 2005 and 2008 hookah use increased more than 40%, and in 2008, 24.5% of young men reported ever using a hookah. Hookah use was more common among the young (18-24 years), the educated, the non-Hispanic Whites, and the cigarette smokers. Hookah use is increasing in California, especially among young adults, and in 2008 reached the highest prevalence ever reported for both genders.

The prevalence of waterpipe tobacco smoking among the general and specific populations: a systematic review

BACKGROUND

The objective of this study was to systematically review the medical literature for the prevalence of waterpipe tobacco use among the general and specific populations.

METHODS

We electronically searched MEDLINE, EMBASE, and the ISI the Web of Science. We selected studies using a two-stage duplicate and independent screening process. We included cohort studies and cross sectional studies assessing the prevalence of use of waterpipe in either the general population or a specific population of interest. Two reviewers used a standardized and pilot tested form to collect data from each eligible study using a duplicate and independent screening process. We stratified the data analysis by country and by age group. The study was not restricted to a specific context.

RESULTS

Of a total of 38 studies, only 4 were national surveys; the rest assessed specific populations. The highest prevalence of current waterpipe smoking was among school students across countries: the United States, especially among Arab Americans (12%-15%) the Arabic Gulf region (9%-16%), Estonia (21%), and Lebanon (25%). Similarly, the prevalence of current waterpipe smoking among university students was high in the Arabic Gulf region (6%), the United Kingdom (8%), the United States (10%), Syria (15%), Lebanon (28%), and Pakistan (33%). The prevalence of current waterpipe smoking among adults was the following: Pakistan (6%), Arabic Gulf region (4%-12%), Australia (11% in Arab speaking adults), Syria (9%-12%), and Lebanon (15%). Group waterpipe smoking was high in Lebanon (5%), and Egypt (11%-15%). In Lebanon, 5%-6% pregnant women reported smoking waterpipe during pregnancy. The studies were all cross-sectional and varied by how they reported waterpipe smoking.

CONCLUSION

While very few national surveys have been conducted, the prevalence of waterpipe smoking appears to be alarmingly high among school students and university students in Middle Eastern countries and among groups of Middle Eastern descent in Western countries.

Nicotine exposure in daily waterpipe smokers and its relation to puff topography

Waterpipe tobacco smoking is increasing in popularity worldwide and available evidence point to its addictive and harmful potential. This study is conducted to assess nicotine exposure in daily waterpipe smokers, and its correlation with puff topography parameters. Sixty-one waterpipe tobacco smokers (56 males; mean age±SD, 30.9±9.5years; mean number of weekly waterpipe smoking episodes 7.8±5.7) abstained from smoking for at least 24h, and then smoked tobacco from a waterpipe ad libitum in a laboratory setting. During the session puff topography parameters were monitored continuously, and pre- and post-smoking expired-air CO was measured. Before and after smoking, venous blood was sampled for the assessment of plasma nicotine using Gas Chromatography-Mass Spectrometry. The average pre- and post-smoking expired-air CO was 4±1.7 and 35.5±32.7ppm, respectively (i.e., a CO boost of 31.5ppm, p<.001). Mean plasma nicotine concentration increased from 3.07±3.05ng/ml pre-smoking to 15.7±8.7ng/ml post-smoking (p<.001). Plasma nicotine boost was correlated with total session time (Pearson correlation coefficient r=.31, p=.04), cumulative puff duration (r=.37, p=.01), mean puff duration (r=.34, p=.02), and total smoke inhaled in the session (r=.34, p=.02. These data show considerable nicotine exposure in daily waterpipe smokers, and that nicotine exposure is a function of waterpipe smoking patterns.

Sociodemographic risk indicators of hookah smoking among White Americans: a pilot study

BACKGROUND

Despite the sustained public health efforts to decrease cigarette smoking, there is an increasing trend in the use of alternative tobacco products that are perceived by some as less harmful. One example is hookah smoking. This study aimed to assess hookah trends among White Americans.

METHODS

Two hundred and forty-five White American adults residing in southeast Michigan answered a self-administered standardized questionnaire that included basic demographics, socioeconomic status, and questions related to hookah smoking behavior. Logistic regression was used to determine risk indicators for hookah smoking.

RESULTS

The combined prevalence of hookah smoking in the White American study population was 19%, with 10% of the sample smoking hookah only and 9% smoking both hookah and cigarettes. Approximately 19% of respondents believed that smoking hookah was less harmful than smoking cigarettes. Significant risk indicators for smoking hookah were being younger than 22 years and living with a family member who used tobacco.

DISCUSSION

In addition to reporting the prevalence of use in this important group of potential users, we outline important sociodemographic risk factors for hookah use in a non-Arab American population. More research is needed with a larger population to better understand this new tobacco trend in order to curb a new potential health threat.

Perceptions of hookah smoking harmfulness: predictors and characteristics among current hookah users

INTRODUCTION

Tobacco cigarette smoking a well-known cause of cancer and other diseases. Hookah smoking is another form of tobacco use that has rapidly spread in the United State and Europe. This study assessed beliefs about the harmfulness of smoking hookah.

METHODS

We surveyed hookah users in all cafes that provided hookah to its customers in downtown San Diego, California and nearby areas. A total of 235 hookah users participated in this study.

RESULTS

Average age of study participants was 22 years, 57% were males, and 72% were not cigarette smokers. Whites were more likely to use hookah than the other ethnic groups (33%), older hookah users (26-35 years) were mostly males, and mint flavor of hookah tobacco was the most popular among a wide variety of flavors (23%). There was no significant difference in gender in relation to the wrong perception that hookah is less harmful than cigarettes, but those of Asian ethnicity were much less likely than other ethnic groups to believe that hookah is less harmful than cigarettes. More frequent users of hookah were more likely to believe that hookah is less harmful than cigarettes. The majority of hookah users (58.3%) believe hookah is less harmful than cigarette smoking.

DISCUSSION

Compared to cigarettes, there appears to be a lack of knowledge about the harmfulness of smoking hookah among users regardless of their demographic background. Education about the harmfulness of smoking hookah and policies to limit its use should be implemented to prevent the spread of this new form of tobacco use.

Cigarette and waterpipe smoking among adolescents in Estonia: HBSC survey results, 1994-2006

BACKGROUND

Smoking is a major single cause of preventable morbidity and premature mortality. Tobacco use among adolescents is a significant public health problem as smoking behaviour is undeniably established in adolescence. While cigarette smoking among adolescents has been a significant public health problem for years, waterpipe smoking is considered to be a new global public health threat. The objectives of this study were to describe trends of cigarette smoking and the prevalence of waterpipe smoking and to study the association between cigarette and waterpipe smoking among adolescents in Estonia.

METHODS

This study was based on a four-yearly HBSC survey of health behaviour among school-aged children conducted in 1994-2006 in Estonia. It was a school-based survey of a nationally representative sample using standardized methodology. The target group of the survey were 11-, 13-, and 15-year-old schoolchildren (N = 13826), 6656 boys and 7170 girls. Cigarette and waterpipe smoking was determined on a 4-stage scale: every day, at least once a week, less than once a week, not smoking. Logistic regression analysis was applied to examine gender- and age-specific smoking trends and to study the association between cigarette and waterpipe smoking.

RESULTS

Prevalence of smoking was higher among boys than girls in all age groups during the whole study period. The prevalence of cigarette smoking increased in 1994-2002 and then slightly decreased in both genders. The increase in smoking was larger among girls. Among girls, daily smoking increased during the whole study period. Among 15-year-old schoolchildren one-third of the boys and one quarter of the girls were cigarette smokers, 21% of the boys and 12% of the girls were daily smokers in 2006. One fourth of the boys and one sixth of the girls were waterpipe smokers. A logistic regression analysis revealed a strong association between cigarette and waterpipe smoking among schoolchildren.

CONCLUSION

The results of this study can significantly enhance the capacity to develop and implement tobacco prevention and control programmes among the youth in Estonia.

The waterpipe: time for action

The waterpipe, known in many cultures under different shapes and names (e.g. hookah, shisha, narghile), is a centuries-old tobacco use method that is witnessing a world-wide surge in popularity. This popularity is most noticeable among youths, and is surpassing cigarette smoking among this group in some societies. Many factors may have contributed to the recent waterpipe spread, including the introduction of sweetened/flavored waterpipe tobacco (known as Maassel), its reduced-harm perception, the thriving café culture, mass media and the internet. The passage of smoke through water on its way to the smoker underlies much of the common misperception that waterpipe use is less harmful than cigarettes. The health/addictive profile of waterpipe compared to cigarettes is largely unresearched and is likely to be influenced by the properties of smoke, duration and frequency of use, type of tobacco used, volume of smoke inhaled and the contribution of charcoal. However, the accumulation of evidence about the harmful and addictive potential of waterpipe use is outpacing the public health response to this health risk. A timely public health and policy action is needed in order to curb the emerging waterpipe smoking epidemic.

Waterpipe smoking in students: prevalence, risk factors, symptoms of addiction, and smoke intake. Evidence from one British university

BACKGROUND

Anecdotal reports suggest waterpipe smoking is becoming common in students in western countries. The aim was to examine prevalence, risk factors, symptoms of addiction, and smoke intake.

METHODS

This was a cross-sectional survey of students with subsidiary survey of regular waterpipe user and survey of exhaled carbon monoxide (CO) before and after waterpipe smoking in customers of a waterpipe café. 937 students of Birmingham University completed the initial survey with a follow up of 21 regular waterpipe smokers. 63 customers of a waterpipe café near the University completed the study of CO intake.

RESULTS

355 (37.9%, 95% confidence intervals (CI) 34.8 to 41.1%) students had tried waterpipes, the prevalence of trying rising with duration at University. 75 (8.0%, 95%CI 6.4 to 10.0%) were regular smokers, similar to the prevalence of cigarette smoking (9.4%). Although cigarette smoking was the major risk factor for being a regular waterpipe smoker, odds ratio (95%CI) 2.77 (1.52 to 5.06), 65% of waterpipe smokers did not smoke cigarettes. Seven of 21 (33.3%) regular waterpipe smokers experienced cravings. Nearly all regular waterpipe users thought it less harmful than smoking cigarettes. The mean (standard deviation) rise in CO was 37.4 (25.8)ppm, nearly twice as high as a typical cigarette smoker seeking cessation treatment.

CONCLUSION

Waterpipe smoking is a common part of student culture in one British university, as in the Middle East and in the United States. It poses a potential threat to public health, with evidence of dependence and high smoke intake.

Lifestyle, occupational, and reproductive factors in relation to pancreatic cancer risk

OBJECTIVES

This study examined the epidemiology of pancreatic cancer in Egypt.

METHODS

We obtained detailed information on smoking, occupational, medical, and reproductive histories from 194 pancreatic cancer cases and 194 controls.

RESULTS

Compared with not smoking, smoking cigarettes alone or in conjunction with other smoking methods (eg, water pipe, cigar) was associated with an increased risk (odds ratio [OR], 4.5 and 7.8; 95% confidence interval [95% CI], 1.9-10.7 and 3.0-20.6, respectively). Passive smoking was also a significant risk factor (OR, 6.0; 95% CI, 2.4-14.8). The risk of pancreatic cancer was elevated among subjects exposed to pesticides (OR, 2.6; 95% CI, 0.97-7.2). A prior diagnosis of diabetes mellitus for a period of 10 years was associated with higher risk (OR, 5.4; 95% CI, 1.5-19.9). For women, having 7 or more live births and lactating for 144 months or longer were associated with a reduced risk (OR, 0.5 and 0.2; 95% CI, 0.2-1.3 and 0.1-0.9, respectively). No association was found between family history, allergy, or obesity and pancreatic cancer in Egypt.

CONCLUSIONS

Multiple tobacco consumption methods, passive smoking, pesticide exposures, and diabetes are associated with an increased risk for pancreatic cancer. Prolonged lactation and increased parity are associated with a reduced risk for pancreatic cancer.