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PubMed2006

Trends in drinking habits among adolescents in the Baltic countries over the period of transition: HBSC survey results, 1993-2002.

BACKGROUND: The Baltic countries--Estonia, Latvia, and Lithuania--are considered to be an example of regional homogeneity over the period of transition. The World Health Organization cross-national study on Health Behavior in School-aged Children (HBSC) allows a comparison and time trends analysis of behavioral patterns among adolescents in this region. The aim of this study was to estimate the prevalence and trends of alcohol consumption and drunkenness among adolescents of Estonia, Latvia, and Lithuania in 1993/94, 1997/98, and 2001/02. METHODS: Representative samples of 5286 boys and 6485 girls aged 15 from Estonia, Latvia, and Lithuania were surveyed in 1993/94, 1997/98, and 2001/02 school-year within the framework of HBSC study. The standardized survey methods were applied. The research focused on the following outcome variables: i) frequency of drinking beer, wine, and spirits; and ii) frequency of drunkenness. The same wording of questions on the consumption of alcohol was retained in each survey. RESULTS: Beer was the most frequently used alcoholic beverage across the Baltic countries among adolescents. The rate of weekly drinking of any alcoholic beverage increased considerably during the eight years of observation, especially among Estonian and Lithuanian students. In 2001/02, 25% of boys and 12.5% of girls have reported drinking alcohol at least weekly. The rate of regular alcohol drinking was two times higher in boys, while irregular drinking was more prevalent in girls. Two or more episodes of drunkenness in the lifespan were reported by 30% of boys and 15% of girls in 1993/94 and by 52% of boys and 36% of girls in 2001/02. The use of alcoholic beverages was related to the perceived family wealth: the students from the families perceived by them as wealthy were more likely to drink weekly as compared to the students from the families perceived by them as not wealthy. CONCLUSION: Over the period between 1993 and 2002 the prevalence of alcohol consumption among adolescents increased considerably across the Baltic countries. The efforts of dealing with this problem should employ a combination of measures, including the strategies relevant for the period of transition.

Adolescent↗
PubMed2007

Daily limited access to sweetened drink attenuates hypothalamic-pituitary-adrenocortical axis stress responses.

Stress can promote palatable food intake, and consumption of palatable foods may dampen psychological and physiological responses to stress. Here we develop a rat model of daily limited sweetened drink intake to further examine the linkage between consumption of preferred foods and hypothalamic-pituitary-adrenocortical axis responses to acute and chronic stress. Adult male rats with free access to water were given additional twice-daily access to 4 ml sucrose (30%), saccharin (0.1%; a noncaloric sweetener), or water. After 14 d of training, rats readily learned to drink sucrose and saccharin solutions. Half the rats were then given chronic variable stress (CVS) for 14 d immediately after each drink exposure; the remaining rats (nonhandled controls) consumed their appropriate drinking solution at the same time. On the morning after CVS, responses to a novel restraint stress were assessed in all rats. Multiple indices of chronic stress adaptation were effectively altered by CVS. Sucrose consumption decreased the plasma corticosterone response to restraint stress in CVS rats and nonhandled controls; these reductions were less pronounced in rats drinking saccharin. Sucrose or saccharin consumption decreased CRH mRNA expression in the paraventricular nucleus of the hypothalamus. Moreover, sucrose attenuated restraint-induced c-fos mRNA expression in the basolateral amygdala, infralimbic cortex, and claustrum. These data suggest that limited consumption of sweetened drink attenuates hypothalamic-pituitary-adrenocortical axis stress responses, and calories contribute but are not necessary for this effect. Collectively the results support the hypothesis that the intake of palatable substances represents an endogenous mechanism to dampen physiological stress responses.

Adaptation, Psychological↗
PubMed1996

Drinking-induced plasma vasopressin and norepinephrine changes in dehydrated humans.

After 24-h water deprivation, five men (23-41 yr; 78 +/- 3.6 kg) consumed, within 4.0-6.2 min, 12 mL/kg of one of six fluid formulations (16.5 C) once a week over a period of 6 weeks: water, hypotonic saline (0.045% Na+), isotonic saline (0.36% Na+), hypertonic glucose (9.7% glucose), and two commercial mildly hypertonic 9.7% carbohydrate drinks. Blood samples were drawn 5 min before and 3, 9, 15, 30, and 70 min after completion of drinking. Ingestion induced no significant change in plasma Na+, K+, osmotic, or protein concentrations; blood pressure; or heart rate. Plasma volume (PV) was increased (P < 0.05) between 30-70 min with isotonic saline and the two commercial drinks. Ingestion induced a decrease in plasma AVP (PAVP) at 3 min, which was maximal (P < 0.05) at 15 min with all drinks. Thus, the act of drinking, independent of the composition or osmolality of the fluid absorbed, leads to a prompt inhibition of PAVP secretion in man. With the exception of rehydration with isotonic saline, this prompt response was followed by a long lasting inhibition of PAVP. There was no change in PRA, plasma aldosterone, atrial natriuretic peptide, or epinephrine, but an increase in plasma norepinephrine occurred immediately after ingestion, which suggests, like that for PAVP depression, a drinking-stimulated neural mechanism.

Adult↗
PubMed1984

Selective suppression of schedule-induced ethanol drinking by antialcoholic drugs in rats.

Effects of disulfiram and calcium cyanamide, antialcoholic drugs, on schedule-induced ethanol drinking as well as on schedule-controlled response (lever-pressing) under a fixed interval 1 min schedule of food reinforcement were investigated in Wistar strain rats. When ethanol solution was available, the schedule-induced ethanol drinking decreased depending on the ethanol concentration (2-8%). However, the dose of ethanol intake during the 1 hr experimental session was at maximum (2.8 g/kg) when 4% ethanol solution was available. Thereafter, 4% ethanol solution was used in the experiment for studying the effects of disulfiram and calcium cyanamide on the schedule-induced ethanol drinking. Disulfiram (100-200 mg/kg, p.o.), pretreated at 1 hr before the start of the experiment, tended to suppress schedule-induced water drinking. However, the same treatment of calcium cyanamide (5-10 mg/kg, p.o.) did not produce a marked change in it. In contrast, disulfiram (100 and 200 mg/kg) and calcium cyanamide (5 and 10 mg/kg) markedly suppressed schedule-induced ethanol drinking without eliciting a marked change in schedule-controlled response. The present results suggest that both disulfiram and calcium cyanamide selectively suppress ethanol drinking in rats.

Alcohol Deterrents↗
PubMed2005

Workgroup report: Drinking-water nitrate and health--recent findings and research needs.

Human alteration of the nitrogen cycle has resulted in steadily accumulating nitrate in our water resources. The U.S. maximum contaminant level and World Health Organization guidelines for nitrate in drinking water were promulgated to protect infants from developing methemoglobinemia, an acute condition. Some scientists have recently suggested that the regulatory limit for nitrate is overly conservative; however, they have not thoroughly considered chronic health outcomes. In August 2004, a symposium on drinking-water nitrate and health was held at the International Society for Environmental Epidemiology meeting to evaluate nitrate exposures and associated health effects in relation to the current regulatory limit. The contribution of drinking-water nitrate toward endogenous formation of N-nitroso compounds was evaluated with a focus toward identifying subpopulations with increased rates of nitrosation. Adverse health effects may be the result of a complex interaction of the amount of nitrate ingested, the concomitant ingestion of nitrosation cofactors and precursors, and specific medical conditions that increase nitrosation. Workshop participants concluded that more experimental studies are needed and that a particularly fruitful approach may be to conduct epidemiologic studies among susceptible subgroups with increased endogenous nitrosation. The few epidemiologic studies that have evaluated intake of nitrosation precursors and/or nitrosation inhibitors have observed elevated risks for colon cancer and neural tube defects associated with drinking-water nitrate concentrations below the regulatory limit. The role of drinking-water nitrate exposure as a risk factor for specific cancers, reproductive outcomes, and other chronic health effects must be studied more thoroughly before changes to the regulatory level for nitrate in drinking water can be considered.

Drinking↗
PubMed1986

Retrospective analysis of lifetime changes in women's drinking behavior.

Retrospective data on drinking behavior and related life experiences have been a neglected resource in research on alcohol use in the general population. Data from a 1981 national survey of women's drinking indicate the potential value of retrospective data analysis. The 1981 data provide comparative ages of onset for drinking behavior, drinking consequences, and health problems, and allow comparisons among different cohorts of women. The data also show the variability in women's lifetime drinking patterns and the time-ordering of heavy drinking in relation to onset of depression and reproductive dysfunction.

Adjustment Disorders↗
PubMed1989

Predictor variables of adolescent drinking.

A survey was conducted to determine which socio-cultural and psychosocial variables had the ability to discriminate adolescent drinking behavior at four different age groups. A total of 3,017 sixth, eighth, tenth, and twelfth grade students in the Southeast participated in the study. Those students who were classified as moderate to heavy drinkers were more likely to be White, male, had higher scores on an alcohol knowledge test, were more liberal in their attitudes toward alcohol use, drank at an earlier age, and had friends who drank. When all predictor variables were considered as a group, the two most predominant characteristics for explaining student drinking behavior were peer behavior and attitudes toward alcohol. Parental drinking behaviors were significant for the younger students, but compared to the peer and attitude variables, their contributions to group separation were minor. Efforts to curb moderate or heavy drinking among adolescents should focus on the peer influences of adolescent drinking and related risk factors associated with problem drinking.

Adolescent↗
PubMed2005

The goal-dependent automaticity of drinking habits.

In recent treatments of habitual social behaviour, habits are conceptualized as a form of goal-directed automatic behaviour that are mentally represented as goal-action links. Three experiments tested this conceptualization in the context of students' drinking (alcohol consumption)habits. Participants were randomly assigned to conditions where either a goal related to drinking behaviour (socializing) was activated, or an unrelated goal was activated. In addition, participants' drinking habits were measured. The dependent variable in Experiments 1 and 2 was readiness to drink, operationalized by speed of responding to the action concept 'drinking' in a verb verification task. Experiment 3 used the uptake of a voucher to measure drinking behaviour. Findings supported the view that when habits are established, simply activating a goal related to the focal behaviour automatically elicits that behaviour. These findings are consistent with a goal-dependent conception of habit. Possibilities for interventions designed to attenuate undesirable habitual behaviours are considered.

Adolescent↗
PubMed1984

Sex differences in motivations for and effects of drinking among college students.

A sample of college students (70 men and 70 women, each group composed of equal numbers of heavy and light drinkers) completed the Beck Depression Inventory, Form V of the Sensation Seeking Scale, the S-R Inventory of General Trait Anxiousness, the Rosenberg Self-Esteem Scale, as well as seven other measures directly assessing alcohol-related attitudes and behavior. It was hypothesized that heavy drinkers would evidence strong sensation-seeking needs with a specially high need for disinhibition. It was also predicted that heavy-drinking women would display more adjustment problems than other students and would report greater anxiety than men when drinking in situations involving social evaluation or interactions with members of the opposite sex. The first hypothesis was confirmed: heavy drinkers did exhibit strong sensation-seeking needs. However, heavy-drinking women were not characterized by adjustment problems nor did they report greater anxiety in drinking situations. The results suggest that women tend to drink to enhance social pleasures, whereas men expect a greater degree of aggressive arousal and social deviance when drinking.

Adult↗
PubMed1986

Moderate drinking in ex-alcoholics: recent studies.

The literature on the occurrence of moderate drinking in ex-alcoholics that has been published since the Rand report in 1976 is reviewed. Although differences in diagnosis, definitions of moderate drinking and length of follow-up make strict comparisons of the studies difficult, the majority of studies seem to indicate that the earlier reports of the frequency of such moderate drinking may be overly optimistic. Depending on the definition of moderate drinking that is used, the longer the interval required for alcoholics to sustain moderate, problem-free drinking, the less likely is such an outcome. Among treated alcoholics, the percentage probably ranges from about 2 to 12%; the percentage may be higher among alcoholics identified in community population samples. Thus far, the only factor common to alcoholics who are able to achieve moderate drinking is their being mild cases (i.e., having fewer lifetime alcohol-related problems than other alcoholics). Factors pertinent in assessing discrepancies between the various studies are discussed.

Alcohol Drinking↗
PubMed1987

Effect of a change in drinking pattern on the cognitive function of female social drinkers.

The relationship between social drinking patterns and sober cognitive performance was evaluated, and the effects of a change in alcohol consumption on cognitive function were measured. Sixty female drinkers were randomly assigned either to abstain for 3 weeks or to continue to drink as usual; 25 female abstainers served as a comparison group. Subjects' drinking patterns during the last 6 months were assessed, and a battery of cognitive tests was administered both before and after the 3-week interval. Results indicated that cognitive performance at baseline was not inversely correlated with either the quantity or the frequency of drinking over the last 6 months. Furthermore, the abstinence manipulation did not result in differential improvement on any of the tests between the subjects who abstained and the subjects who continued to drink. Thus, recent drinking practices were not related to cognitive test performance in this sample of female social drinkers.

Adolescent↗
PubMed1987

Alcohol-related problems of children of heavy-drinking parents.

Alcohol-related problems that are experienced by sons and daughters of heavy-drinking parents (either father or mother) are examined using data from a 1978 household sample of employed adults in metropolitan Detroit. Adult children with heavy-drinking parents were found to have a higher percentage of dependent problem drinking than those without heavy-drinking parents. Also, adult children with low status (blue-collar) occupations were found to have a higher percentage of dependent problem drinking than those with high status (white-collar) occupations. Although it was not possible to disentangle the genetic processes from the social processes in this study, the results support the hypothesis that having both heavy-drinking parents and low occupational status places sons and daughters at elevated risk for alcohol-related problems. Implications for future epidemiological studies are discussed.

Alcohol Drinking↗
PubMed1988

Drinking under special occasion permits: a neglected aspect of alcohol control measures?

Drinking that occurs under special permits in Canada, such as at weddings, private receptions and parties, is a neglected aspect of alcohol research. These permits are issued for many different occasions and are most common in the provinces with the highest per capita alcohol consumption. Special permit drinking is becoming a social and alcohol-control issue but information on the problems it creates is sparse. Specific problem areas such as excessive drinking and drinking by minors have not been studied, but because such drinking is rarely monitored they may be substantial. Further study of special permit drinking is recommended.

Alcohol Drinking↗
PubMed1988

Predictors of reduction and cessation of drinking in community-dwelling men: results from the normative aging study.

As part of a longitudinal study of health and aging, the conditions and motivational factors that prospectively predicted either cessation or reduction in alcohol consumption were compared. Data were from 1,517 community-dwelling men who in 1973 (Time 1) and 1982 (Time 2) completed mailed questionnaires about their drinking behaviors. Time 2 quitters (n = 62) had consumed no alcohol for at least the 6 months before that survey; reducers (n = 255) had decreased their yearly alcohol consumption by at least one-half. Compared to 971 controls, quitters reported more drinking problems at Time 1; reducers reported higher consumption at Time 1, which was the only factor predictive of subsequent reduction (p less than .001). Regression analyses considering contextual-motivational factors for drinking showed that at Time 1 quitters were less likely than controls to have consumed alcohol during evenings out (p = .008), in family-home settings (p = .013), or for salutary reasons (p = .084); conversely, they were more likely to have consumed alcohol to reduce negative affect (p = .011). Reducers cited more social-situational reasons for curtailing drinking; quitters cited more personal reasons related to health and alcohol effects. These findings indicate that in a community sample of men, problematic drinking behaviors tend to predict subsequent abstention rather than reduced drinking.

Adult↗
PubMed1989

Differences in drinking behavior among three Asian-American groups.

This article challenges the commonly held beliefs that there are few if any heavy drinkers among Asian-Americans and that different groups of Asians exhibit similar patterns of drinking. To explore these stereotypes, alcohol consumption patterns were compared in a survey of 298 Chinese, 295 Japanese and 280 Koreans in Los Angeles. Heavy drinking was found in each of the Asian groups. Gender specific logistic regression models were used to illustrate the differences in the drinking patterns of the Asian-American groups and to clarify the determinants of drinking. The greatest proportion of heavy drinking was found among the Japanese and the lowest among the Chinese. Having friends who drank was the only social factor consistently related to Asian drinking behavior.

Adult↗
PubMed1989

Change in drinking behaviors with retirement: findings from the normative aging study.

This study examines changes in drinking behaviors over an approximately 2-year span in two groups of community-dwelling men: 100 men who retired between baseline (T1) and follow-up (T2) and 316 men who remained employed. Measures were obtained from two drinking surveys conducted as part of a panel study of aging. Results indicate that the event of retirement was not a significant predictor of changes in average alcohol consumption, although retirees showed more variability between T1 and T2. Considering other binary drinking behavior variables, continuing workers and eventual retirees did not differ in the proportions moving into or out of the nondrinker status, or the situation of consuming an average of 3+ drinks/day. However, retirees by T2 were more likely to report the onset of periodic heavier drinking and problems with drinking. Evidence from this study indicates that retirement generally heralds no great shift in alcohol consumption or drinking behaviors.

Aged↗
PubMed1991

Educational status and drinking patterns: how representative are college students?

Using data from a large, nationally representative sample, multiple regressions using sex, ethnicity, age and educational status showed that drinking patterns of college students differed significantly from those of dropouts, high school graduates and former college students. College students were more likely to use alcohol but tended to drink less quantity per drinking day than nonstudents of the same age. Sex differences were smaller among college students than among other groups, especially in proportions of abstainers. While whites were most likely to drink if they were in college, among blacks the college students were the least likely to drink. Age had little association with drinking. Conclusions based on in-school samples may not generalize well to nonschool populations and should be tested, if possible, using more representative databases.

Adolescent↗
PubMed1992

Shifts in problem drinking during a life transition: adaptation to medical school training.

This study addresses the course of alcohol-related problems in future physicians from the perspectives of occupational stress versus selection and life-span developmental frameworks. A cohort of medical students was surveyed at medical school entrance and during the early fall of the second training year. Self-report questionnaires assessed: alcohol-related problems (using a modified time-linked version of the MAST), pretraining psychosocial and psychopathological characteristics and experiences (symptomatic distress, motivations for drinking, personality attributes/deficits, familial history of problem drinking, family disruption and earlier parental bonding) and medical-training characteristics (perceived stressors and levels of social support). On the basis of MAST scores, respondents manifested the following drinking patterns: consistent nonproblem drinking (67.4%), problem exit or remission during medical training (19.4%), problem entrance or onset during medical training (6.3%) and problem chronicity involving problems before and during medical training (6.9%). Female students were overrepresented in the consistent nonproblem group. The major predictors of Time 2 problem onset and chronicity as opposed to problem remission involved pretraining factors: familial history of alcohol problems, Time 1 symptomatic distress and escape motives for drinking. Future reports will depict the prevalence and etiology of problem drinking manifested during the clinical portion of medical training.

Adaptation, Psychological↗