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PubMed1996

Concurrent and prospective screening for problem drinking among college students.

PURPOSE: Previous studies suggest that combining the CAGE questionnaire with the Perceived Benefit of Drinking Scale (PBDS), information about an adolescent's use of tobacco, and best friend's drinking pattern is a useful composite screening measure for problem drinking. The present study was undertaken to evaluate this composite screening measure prospectively as a predictor of subsequent problem drinking among late adolescents across 3 years of college. METHODS: A random sample of 452 college freshmen entered a longitudinal study of alcohol use at the beginning of their freshman year. A total of 184 (58%) completed follow-up measures of alcohol use 32 months later. Outcome measures included the quantity and frequency of alcohol use and a composite measure of specific alcohol-related problems. RESULTS: CAGE scores, PBDS scores, tobacco use, and best friend's drinking patterns as reported at college entry together explained 33% of the variance in the quantity/frequency measure and 37% of the variance in the alcohol-related problems measure from the end of the junior year. These same variables as reported at the end of the junior year explained 50% of the variance in the quantity/frequency measure and 61% of the variance in the alcohol-related problems measure. The composite screening measure as reported at college entry had a sensitivity of 73%, specificity of 70%, positive predictive value (PPV) of 63%, and negative predictive value (NPV) of 78% for students at high risk for problem drinking at the end of the junior year. A similar concurrent composite screening measure consisting of the same variables reported at the end of the junior year had a sensitivity of 88%, specificity of 56%, PPV of 60%, and NPV of 83% for high-risk drinkers. A total of 70-73% of students could be correctly categorized by each composite screening measure. These composite screening tests had significantly better test characteristics than the CAGE or PBDS alone. CONCLUSIONS: College students' responses to the CAGE, PBDS, tobacco use, and their friends' drinking remain consistent over 3 years and correlate with concurrent and future risk for problem drinking. These variables explain significant variance in drinking and alcohol-related problems and may constitute a useful screening measure for current and future problem drinking.

Adolescent↗
PubMed2006

Influence of alkalinity, hardness and dissolved solids on drinking water taste: A case study of consumer satisfaction.

Two surveys of consumer satisfaction with drinking water conducted by Taiwan Water Supply Corp. are presented in this study. The study results show that although a lot of money was invested to modify traditional treatment processes, over 60% of local residents still avoided drinking tap water. Over half of the respondents felt that sample TT (from the traditional treatment process) was not a good drinking water, whether in the first or second survey, whereas almost 60% of respondents felt that samples PA, PB, CCL and CT (from advanced treatment processes) were good to drink. For all drinking water samples, respondent satisfaction with a sample primarily depended on it having no unpleasant flavors. Taiwan Environmental Protection Administration plans to revise the drinking water quality standards for TH and TDS in the near future. The new standards require a lower TH concentration (from currently 400mg/L (as CaCO(3)) to 150mg/L (as CaCO(3))), and a lower TDS maximum admissible concentration from the current guideline of 600 to 250mg/L. Therefore, this study also evaluated the impacts on drinking water tastes caused by variations in TH and TDS concentrations, and assessed the need to issue more strict drinking water quality standards for TH and TDS. The research results showed that most respondents could not tell the difference in water taste among water samples with different TDS, TH and alkalinity. Furthermore, hardness was found to be inversely associated with cardiovascular diseases and cancers, and complying with more strict standards would lead most water facilities to invest billions of dollars to upgrade their treatment processes. Consequently, in terms of drinking water tastes alone, this study suggested that Taiwan Environmental Protection Administration should conduct more thorough reviews of the scientific literature that provides the rationale for setting standards and reconsider if it is necessary to revise drinking water quality standards for TH and TDS.

Calcium Carbonate↗
PubMed2002

Drinking and driving among Mexican American and non-Hispanic white males in Long Beach, California.

Although drinking and driving in the United States has declined substantially during the past two decades, this trend has not been seen among Hispanic drivers. Higher rates of driving while impaired (DWI) arrests and alcohol-related crashes, particularly among Mexican Americans, also have been noted. The extent to which this reflects a lack of understanding of DWI laws rather than a disregard for them is unknown. A survey was conducted among Mexican American and non-Hispanic white male DWI arrestees in Long Beach, California, to ascertain alcohol use, attitudes toward drinking and drinking and driving, and knowledge of DWI laws. The findings were compared with those of Mexican American and non-Hispanic white males recruited from the local community. Mexican American males, both DWIs and those from the community, reported heavier drinking than non-Hispanic white males. All four groups of respondents tended to underestimate the number of drinks needed to achieve the blood alcohol concentration (BAC) threshold at or above which it is illegal to drive under California law. Estimations were around 2-3 drinks rather than a more realistic estimate of 4-5 drinks. However, Mexican American DWIs and their comparison group vastly overestimated the number of drinks to make them unsafe drivers (8- 10 drinks). Furthermore, fewer than half were aware of the BAC threshold in California (0.08%) compared with between 60 and 78% of non-Hispanic whites. This study is limited in scope and needs to be replicated in other communities and with other racial/ethnic groups. However, the clear lack of knowledge of the DWI law in California and a lack of understanding of the relationship between number of drinks and BAC point to the need for culturally sensitive programs that are developed and implemented within the Mexican American community.

Accidents, Traffic↗
PubMed2000

The interaction of liveweight and the degree of competition on drinking behaviour in growing pigs at different group sizes.

The pattern of drinking behaviour in pigs, and the influence of social factors such as competition on this behaviour, have been poorly documented. If competition for access to a limited resource is substantial, access to that resource may be allocated disproportionately to different members of a group. Priority may be based on a dominance hierarchy, or on physical characteristics, such as weight. The pattern of drinking behaviour was examined and the effect of pig liveweight on drinking behaviour under conditions likely to produce different levels of competition was investigated. Four replicates of a 2x2 factorial design of two group sizes (20 vs. 60) and two drinker:pig ratios (1:10 vs. 1:20) used a total of 640 growing pigs (start weight 36+/-5.0 kg). The drinking behaviour, skin lesion score and performance of nine focal pigs (three each of heavy (41.9 S.E.M. 0.57 kg), medium (35.7 S.E.M. 0.51 kg) and light weight (30.9 S.E.M. 0.63 kg)) per pen were recorded. For all focal pigs, the maximum time spent at the drinkers occurred between the 1800 and 1900 h and the minimum time between 0700 and 0800 h. The mean number of drinking bouts per pig per day was 30.9 S.E.M. 1.41, the median bout length was 21 s and the mean daily duration spent at the drinkers was 832 s. The frequency of visits to the drinkers, drinking bout duration and daily drinking time were affected by group size and drinker allocation, but not by weight or the interaction of treatments and weight. The diurnal spread of drinking was similar for each of the four treatment combinations and each weight category. Heavy pigs had the greatest number of lesions, and light weight pigs the least (13.2 vs. 8.8 S.E.D. 1.18, P<0.005), but this was not affected by the four treatment combinations. Lesion score correlated poorly with the parameters of drinking behaviour. The treatments, in isolation, or in interaction with weight, did not affect performance. No treatment encouraged sufficient competition to compromise the drinking behaviour, social behaviour or performance of the lightest animals in the pen.

Journal Article↗
PubMed2000

"The lizard in the green bottle": "aging out" of problem drinking among Navajo men.

The Navajo exhibit a number of indicators suggesting the extent of significant problems associated with drinking and alcohol abuse. Measures of alcohol-related mortality and morbidity provide stark testimony regarding the shape and magnitude of problem drinking among the Navajo. While these measures highlight patterns of drinking that often result in social, physical, and psychological pathology, there are other, less noted patterns of Navajo drinking. This paper describes a salient, if often overlooked, pattern of Native American drinking by examining the aging out phenomenon among Navajo men. Using narratives collected from former problem drinkers, this paper describes the factors and motivations associated with this sometimes dramatic change in drinking behavior. Several themes emerge from these narratives that help explain the aging out process. These themes include health concerns, religious involvement, living a traditional Navajo way of life, and the responsibilities and life changes associated with child rearing. This paper not only provides detail on a category of drinker and drinking phenomena that is largely ignored in accounts of Native American drinking, but also illustrates some of the values and meanings attached to drinking cessation and highlights the relation between changes in drinking behavior and stages in life course among Navajo men.

Adult↗
PubMed2000

Safe drinking water: the toxicologist's approach.

The production of adequate and safe drinking water is a high priority issue for safeguarding the health and well-being of humans all over the world. Traditionally, microbiological quality of drinking water has been the main concern, but over the last decades the attention of the general public and health officials on the importance of chemical quality and the threat of chemical pollutants have increased with the increase of our knowledge on the hazards of chemical substances. There are many sources of contamination of drinking water. Broadly they can be divided into two categories: contaminants originating from surface and groundwater, and contaminants used or formed during the treatment and distribution of drinking water. Contaminants in surface and groundwater can range from natural substances such as arsenic and manganese leaching from soil, to contaminants introduced by human activities, such as run-off from agricultural activities, controlled discharge from sewage treatment works and industrial plants, and uncontrolled discharges or leakage from landfill sites and from chemical accidents. Disinfectants and disinfectant by-products are well known contaminants resulting from the processes used by the drinking water industry for the treatment and distribution of water. The basic question in the production of drinking water is how to rid drinking water of potentially dangerous microorganisms and chemicals without introducing new hazards that might pose new and different threats to human health. It is the responsibility of toxicologists to provide risk assessments for chemical pollutants and to derive guidelines or standards for drinking water quality below which no significant health risk is encountered, to assure consumers that drinking water is safe and can be consumed without any risk. This paper will focus on the toxicological procedures used by the World Health Organization to derive guideline values for chemical compounds in drinking water, and will touch upon some critical differences in the nature of guidelines and legally binding standards.

Animals↗
PubMed2006

Structural identification of highly polar nontarget contaminants in drinking water by ESI-FAIMS-Q-TOF-MS.

Drinking water is a complex mixture that contains thousands of naturally occurring and anthropogenic contaminants. Liquid chromatography-mass spectrometry (LC-MS) methods have gained a tremendous popularity in monitoring nonvolatile, highly polar, and thermally labile components in drinking water. It is well recognized, however, that there are difficulties or limitations of LC-MS methods associated with (1) significant resources (time and effort) involved in sample preparation (preconcentration, fractionation, separation), (2) low screening capacity for target contaminants, and (3) insufficient capabilities for structural identification (elucidation) of nontarget contaminants. Consequently, LC-MS methods are mainly used for the detection of target contaminants (compounds identified in drinking water before), seldom for the structural identification of abundant nontarget pollutants (unidentified pollutants in drinking water), and almost never for the structural identification of nontarget components at a trace level. The paper presents a new method of electrospray ionization high field asymmetric waveform ion mobility spectrometry mass spectrometry (ESI-FAIMS-MS), which can detect a large number of water pollutants in a quick and convenient fashion without preconcentration, fractionation, derivatization, or column separation. Most importantly, the method provides structural identification of nontarget contaminants including species present in drinking water at a sub-parts-per-billion concentration level. The identification of previously unknown contaminants was based on mass measurements of investigated ions and their fragments in mass and tandem mass spectrometry. Elemental compositions of these ions, determined by mass measurements, were used to link dissociation patterns of investigated species with their chemical structures. Characterization of nontarget contaminants of chlorine-treated drinking water by ESI-FAIMS-MS has revealed many previously unknown disinfection byproducts. The most intriguing compound, from a group of highly polar hydroxycarboxylic acids discovered in the study, was the most abundant component of drinking water, glycolic acid. Glycolic acid (toxic to kidneys and associated with a moderate maternal toxicity) has never been considered as a drinking water contaminant, despite the fact that it is present in drinking water at a higher concentration (high ppm) than concentrations of highly polar water pollutants that had attracted most attention in the past. The process of structural elucidation of discovered pollutants, including ultratrace contaminants representing a variety of carboxylic acids, will be presented in detail. The structural identification of highly polar contaminants in drinking water presented in the paper is rarely reported in the literature. The key experimental feature of the ESI-FAIMS-MS method is FAIMS separation, which significantly improves the identification capabilities of mass spectrometry.

Molecular Structure↗
PubMed1997

Sports supplement drinks and dental health in competitive swimmers and cyclists.

AIM: To assess dental status and sports supplement uptake in swimmers and cyclists. To determine chemico-physical properties of the most popular sports drinks. DESIGN: Descriptive, prevalence study of tooth wear and caries experience. Questionnaire analysis of sports drinks usage. SETTING: Two public swimming pools in Liverpool and three cycle clubs in North West England. SUBJECTS AND METHOD: A convenience sample of swimmers and cyclists was examined for caries and tooth wear. A questionnaire ascertained which sports drinks were consumed and their pattern of consumption. pH and titratable acidity, concentrations of calcium, phosphate and fluoride, and viscosity were analysed. Salivary flow rate in response to these drinks and water was also determined. RESULTS: 25 swimmers and 20 cyclists participated. Caries experience and tooth wear into dentine (excluding incisally exposed dentine) was significantly more frequent among cyclists (P < 0.05). Cyclists had significantly more upper palatal wear (P < 0.001). Pattern of sport drink consumption between the two groups was significantly different (P < 0.001). pH range of the most popular sport drinks was 2.4-4.5. Salivary flow rate after a 1-minute rinse was significantly lower (P < 0.05) with one drink (0.47 ml/min) and water (0.41 ml/min) compared with the other drinks. CONCLUSIONS: An association between caries or erosive tooth wear and sport drink consumption was not found. However, the erosive potential of sport drinks is real and must be borne in mind as an aetiological factor for erosion in young people.

Adolescent↗
PubMed1999

Buffering capacities of soft drinks: the potential influence on dental erosion.

The pH of fruit juices and carbonated drinks are known to be low and have, therefore, been implicated in the increasing incidence of erosion. The ability of a drink to resist pH changes brought about by salivary buffering may play an important part in the erosion process. The aims of this study were to measure the initial pH of several widely available soft drinks and determine their buffering capacities. As part of a larger study, the following groups of drinks were tested: pure fruit juices, non-fruit-based carbonated drinks, fruit-based carbonated drinks, flavoured spring waters, and plain carbonated mineral waters as positive controls with still water as the negative control. The measurement of pH was carried out using a pH electrode connected to an Orion EA940 Ionanalyser. One hundred millilitres of each drink was then titrated with 1 M sodium hydroxide, added in 0.5 mL increments, until the pH reached 10. Each titration was repeated three times. The average initial pH was lowest for the non-fruit-based drinks (2.81+/-0.274) and highest for plain mineral water (7.4+/-0.1002). The buffering capacities can be ordered as follows: fruit juices>fruit-based carbonated drinks and flavoured mineral waters>non-fruit-based carbonated drinks>sparkling mineral waters>still mineral water. It is concluded that fruit juices and fruit-based carbonated beverages, with their increased buffering capacities, may induce a prolonged drop in oral pH.

Beverages↗
PubMed1992

The standard drink and alcohol consumption.

The term 'standard drink' is commonly used when researchers collect alcohol consumption data and when educators create campaigns to encourage people to drink responsibly. However, little is known about community knowledge of the term 'standard drink' or what it represents in terms of what people are drinking in their own homes or on unlicensed premises. This study measured the amounts of a variety of alcoholic beverages that a sample of Perth metropolitan people use when drinking on unlicensed premises. The level of knowledge of the alcohol content of a variety of beverages and the knowledge of the term standard drink and what it represents in terms of commonly consumed beverages was also measured. The results showed that knowledge of the alcohol content of beverages was very poor. Knowledge of the term standard drink and what it represents in terms of absolute alcohol was also poor. Regarding the amounts of beverages poured, red and white wine, champagne and spirits are likely to be poured in amounts well in excess of a standard drink when people are drinking in their own homes. The results of this study have implications for the efficacy of educational campaigns designed to encourage safe and responsible drinking practices through the monitoring of personal intake. Before these can be effective, the terminology used must be familiar and well understood by the community towards which they are aimed. The results also discussed with respect to the design and administration of alcohol consumption questionnaires.

Journal Article↗
PubMed2005

The effects of combined caffeine and glucose drinks on attention in the human brain.

The objective of this research was to measure the effects of energising drinks containing caffeine and glucose, upon mental activity during sustained selective attention. Non-invasive electrophysiological brain recordings were made during a behavioural study of selective attention in which participants received either energising or placebo drinks. We tested specifically whether energising drinks have significant effects upon behavioural measures of performance during a task requiring sustained visual selective attention, as well as on accompanying components of the event-related potential (ERPs) related to information processing in the brain. Forty healthy volunteers were blindly assigned to receive either the energising drink or a similar-tasting placebo drink. The behavioural task involved identifying predefined target stimulus among rapidly presented streams of peripheral visual stimuli, and making speeded motor responses to this stimulus. During task performance, accuracy, reaction times and ongoing brain activity were stored for analysis. The energising drink enhanced behavioural performance both in terms of accuracy and speed of reactions. The energising drink also had significant effects upon the event-related potentials. Effects started from the enhancement of the earliest components (Cl/P1), reflecting early visual cortical processing in the energising-drink group relative to the placebo group over the contralateral scalp. The later N1, N2 and P3 components related to decision-making and responses were also modulated by the energising drink. Energising drinks containing caffeine and glucose can enhance behavioural performance during demanding tasks requiring selective attention. The behavioural benefits are coupled to direct effects upon neural information processing.

Adolescent↗
PubMed2001

Environmental predictors of heavy episodic drinking.

This study examined the relationship between environmental characteristics and heavy episodic drinking by examining college students' last drinking events. For this study, 409 undergraduate students attending a large public university were randomly selected. Students were asked to report on their last drinking event within the 30-day period prior to being surveyed. There were 274 drinking events analyzed. Bivariate analyses and multiple logistic regression analysis were used to identify contextual factors predictive of heavy episodic drinking in specific drinking events. Drinking with friends, drinking beer and hard liquor, and having many people intoxicated at an event were predictive of heavy episodic drinking events. Dating events were protective of heavy episodic drinking. Implications for future research and prevention are discussed.

Adult↗
PubMed2001

Maternal milk consumption predicts the tradeoff between milk and soft drinks in young girls' diets.

Milk intake constitutes an important source of dietary calcium for young girls but declines throughout childhood. Recent work shows that the intake of soft drinks may contribute to this decline. Influences on the apparent tradeoff between soft drinks and milk in young girls' diets are not well described. The objective of this research was to test a model depicting maternal beverage choices as predictors of their daughters' milk and soft drink intake. A structural equation model describing maternal influences on daughters' milk, soft drink and calcium intakes was tested using data from 180 non-Hispanic, white families with 5-y-old daughters. Mothers' calcium, milk and soft drink intakes were evaluated as predictors of their daughters' intakes. Mothers' and daughters' soft drink intakes were also examined as predictors of their own milk and calcium intakes. The model provided a good fit to the data, revealing mother-daughter similarities in beverage intake. Mothers who drank milk more frequently had daughters who drank milk more frequently and drank fewer soft drinks. For both mothers and daughters, soft drink consumption was negatively related to both milk and calcium intake. This research provides evidence that mothers' beverage choices influence the tradeoff between milk and soft drinks in their daughters' diets. In particular, mothers' milk and soft drink intakes may affect their daughters' calcium adequacy in early childhood by influencing the frequency with which their daughters consume those beverages.

Adult↗
PubMed2004

The risk of MTBE relative to other VOCs in public drinking water in California.

Ongoing publicity about methyl tertiary butyl ether (MTBE) suggests that this chemical is of greater concern than other contaminants commonly found in drinking water. The purpose of this article is to evaluate the available MTBE data in context with other volatile organic compounds (VOCs) that are detected in public drinking water sources in California. We find that of the 28 VOCs with a primary maximum contaminant level (MCL) in California, 21 were found in 50 or more drinking water sources from 1985 to 2002. Over the last 10 years, the most frequently detected VOCs were chloroform, tetrachloroethylene (PCE), and trichloroethylene (TCE), which were found in about 9-15% of all sampled drinking water sources. These same chemicals were found to have the highest mean detected concentrations over the last 5 years, ranging from 13 to 15 microg/L. Many VOCs were also found to routinely exceed state and federal drinking water standards, including benzene and carbon tetrachloride. By comparison, MTBE was found in approximately 1% of sampled drinking water sources for most years, and of those drinking water sources found to contain MTBE from 1998 to 2002, over 90% had detected concentrations below California's primary MCL of 13 microg/L. Relative to the other VOCs evaluated, MTBE has the lowest estimated California cancer potency value, and was found to pose one of the least cancer risks from household exposures to contaminated drinking water. These findings suggest that MTBE poses an insignificant threat to public drinking water supplies and public health in California, particularly when compared to other common drinking water contaminants.

California↗
PubMed2006

Topiramate reduces the harm of excessive drinking: implications for public health and primary care.

AIMS: Having demonstrated previously the efficacy of topiramate--a sulfamate-substituted fructopyranose derivative-as pharmacotherapy for treating alcohol dependence, promoting abstinence and reducing the harmful psychosocial consequences of drinking, we investigated whether topiramate also promoted 'safe' levels of drinking: < or = 1 and < or = 2 standard drinks/day for women and men, respectively, among alcohol-dependent individuals. DESIGN, SETTING AND PARTICIPANTS: In a double-blind, randomized, controlled, 12-week clinical trial conducted in San Antonio, Texas, 75 alcohol-dependent adults received topiramate and 75 received placebo as an adjunct to weekly standardized medication compliance management. MEASUREMENTS: For this secondary analysis of data from that trial, we calculated, based on self-reports, specific intervals of up to 30 days of continuous 'safe' drinking for each subject. FINDINGS: The average longest 'safe' drinking period was 16.7 days for topiramate recipients versus 8.9 days for placebo recipients. By day 50 of treatment, 44% versus 26.4% had achieved > or = 7 and 30.8% versus 10% had achieved > or = 14 continuous 'safe' drinking days. Similarly, topiramate increased the relative likelihood of continuous 'safe' drinking from 77% for > or = 7 days [relative risk (RR) for achieving continuous 'safe' drinking = 1.77] to threefold for > or = 14 days (RR = 3.37) and fourfold for > or = 28 days (RR = 4.07). Thus, participants who received topiramate were more likely to achieve longer periods of 'safe' drinking compared with those who received placebo. CONCLUSIONS: For alcohol-dependent individuals who drank within an abstinence-oriented treatment program, topiramate promoted 'safe' drinking. Topiramate's potential to decrease the public health consequences of hazardous drinking needs to be established in future long-term studies.

Adult↗
PubMed1999

Enamel erosion by some soft drinks and orange juices relative to their pH, buffering effect and contents of calcium phosphate.

The capability of a soft drink or a juice to erode dental enamel depends not only on the pH of the drink, but also on its buffering effect. As the latter is the ability of the drink to resist a change of pH it may add to the effects of the actual pH. The aim of the present study was to compare the pH and the buffering effect of various soft drinks with their erosive effects and the solubility of apatite. In 18 soft drinks, mineral waters and juices available on the Danish market, pH and the concentrations of calcium, phosphate and fluoride were determined. The buffering effect was determined by titration with NaOH. Human teeth (n = 54) covered with nail varnish except for 3x4-mm windows were exposed to 1.5 liters of the drink for either 7 days or 24 h under constant agitation. The depth of the erosions was assessed in longitudinal sections. The depth was found to vary greatly from 3 mm eroded by the most acidic drinks and fresh orange juice to only slightly affected surfaces by most of the mineral waters. The dissolution of enamel increased logarithmically inversely with the pH of the drink and parallel with the solubility of enamel apatite. Orange juice, pH 4.0, supplemented with 40 mmol/l calcium and 30 mmol/l phosphate did not erode the enamel as the calcium and phosphate saturated the drink with respect to apatite. Generally, the lower the pH the more NaOH was necessary to bring the pH to neutrality. In particular the buffering effect of the juice was high. For all drinks, no effect of their low fluoride concentrations was observed.

Apatites↗
PubMed2006

Portrayals of branded soft drinks in popular American movies: a content analysis.

BACKGROUND: This study examines the portrayals of soft drinks in popular American movies as a potential vehicle for global marketing and an indicator of covert product placement. METHODS: We conducted a content analysis of America's top-ten grossing films from 1991 through 2000 that included portrayals of beverages (95 movies total). Coding reliabilities were assessed with Cohen's kappa, and exceeded 0.80. If there was at least one instance of branding for a beverage, the film was considered having branded beverages. Fisher's exact test was used to determine if soft drink portrayals were related to audience rating or genre. Data on the amount of time soft drinks appeared onscreen was log transformed to satisfy the assumption of normality, and analyzed using a repeated measures ANOVA model. McNemar's test of agreement was used to test whether branded soft drinks are as likely to appear or to be actor-endorsed compared to other branded beverages. RESULTS: Rating was not associated with portrayals of branded soft drinks, but comedies were most likely to include a branded soft drink (p = 0.0136). Branded soft drinks appeared more commonly than other branded non-alcoholic beverages (p = 0.0001), branded beer (p = 0.0004), and other branded alcoholic beverages (p = 0.0006). Actors consumed branded soft drinks in five times the number of movies compared to their consumption of other branded non-alcoholic beverages (p = 0.0126). About half the revenue from the films with portrayals of branded soft drinks come from film sales outside the U.S. CONCLUSION: The frequent appearance of branded soft drinks provides indirect evidence that product placement is a common practice for American-produced films shown in the U.S. and other countries.

Journal Article↗
PubMed1995

Changes in drinking patterns among whites, blacks and Hispanics, 1984-1992.

OBJECTIVE: This article reports a longitudinal study of drinking patterns among whites, blacks and Hispanics between 1984 and 1992. METHOD: A probability sample including 1,777 whites, 1,947 blacks and 1,453 Hispanics in the U.S. adult household population was interviewed in 1984. In 1992 a subsample consisting of 788 whites, 723 blacks and 703 Hispanics was reinterviewed. Interviews averaging 1 hour in length were conducted in respondents' home by trained interviewers. RESULTS: Abstention increased in all groups with the exception of Hispanic women, among whom it remained stable. Heavy drinking decreased only among white men (from 19% to 12%). Among men, the incidence of heavy drinking was 7% among whites, 10% among blacks and 17% among Hispanics. The stability of heavy drinking was greater among black (51%) and Hispanic men (43%) than among white men (32%). The best predictor of drinking in 1992 was drinking in 1984. CONCLUSIONS: Reductions in heavy drinking observed among whites were not observed among blacks and Hispanics. The greater stability of heavy drinking in the minority groups helps to explain higher rates of problems reported in the literature for these two groups. Prevention efforts targeting drinking and heavy drinking among blacks and Hispanics must be renewed and intensified.

Adolescent↗