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PubMed1994

The relationships between declines in drinking and alcohol problems among Ontario students: 1979-1991.

This article reports data from a 12-year cross-sectional study of drinking and drinking problems among students in grades 7-13 in Ontario schools. It was expected that rates of drinking and levels of drinking problems would be related. Large declines in drinking levels were found, however declines were found for only about half of the drinking-problem items. No declines were found in rates of the most serious problems and this indicates there is an unchanging proportion of students with drinking problems who will likely need interventions such as treatment and counseling.

Adolescent↗
PubMed1994

Hassles and uplifts and generalized outcome expectancies as moderators on the relation between a family history of alcoholism and drinking behaviors.

The present study examined 85 adult offspring of alcoholics (FH+) and 68 comparison subjects without a family history of alcoholism (FH-) in order to address three questions: (1) Does the relation between hassles and uplifts and drinking differ by gender and/or family history of alcoholism? (2) Do hassles and uplifts and/or generalized outcome expectancies (dispositional optimism and pessimism) moderate the relation between having a family history of alcoholism and drinking behaviors? (3) Do hassles and uplifts and outcome expectancies interact to influence drinking behaviors? The pattern of relations between hassles and uplifts and drinking behaviors and between outcome expectancies and drinking behaviors differed by family history and gender. Hassles were related to increased alcohol consumption for FH+ men only, whereas outcome expectancies were related to indicators of problem drinking for FH+ women only. When the moderating influences of hassles and uplifts and outcome expectancies were examined, both hassles and pessimism were found to moderate the relation between family history and drinking behaviors. In addition, hassles and uplifts and outcome expectancies interactively influenced this relation. These results emphasize the need to examine further both individual and contextual processes in studies examining the risk of the development of alcoholism.

Adult↗
PubMed1995

Behavior and perceptions related to drink-driving among an international sample of company vehicle drivers.

OBJECTIVE: The study examined reported behavior, perceptions and attitudes related to drink-driving among company vehicle drivers located across eight countries. An additional aim of the research was to identify important predictors of drink-driving. METHOD: A cross-sectional mailshot questionnaire survey was undertaken on all drivers of company vehicle identified by the collaborating companies. Responses to items concerning reported drink-driving, perceived consumption limits, perceived risk and reported restraint were examined for a total of 600 male drivers, representing an overall response rate of 55%. RESULTS: Driving after any alcohol consumption was found to be relatively common across most of the sample, while driving when over the legal limit at least once in the previous 12 months was reported by approximately one-third of the drivers. Multiple regression analysis indicated that the strongest predictors of reported drink-driving behavior were associated with perceived limits of personal alcohol consumption and a "moral attachment" to non-drink-driving associated with alcohol consumption restraint. This general prediction model seemed to be relatively consistent across the different national groups. CONCLUSIONS: The results suggest that longer term cognitive components of decision making such as "moral attachment" may form fundamental elements in the decision to drive after excessive drinking. It was suggested that company-based policies and programs may have a useful role in promoting safer driving practices, particularly in relation to driving after drinking.

Accidents, Traffic↗
PubMed1995

Cycles of alcohol dependence: frequency-domain analyses of daily drinking logs for matched alcohol-dependent and nondependent subjects.

OBJECTIVE: This study was undertaken to evaluate possible differences in the patterns of daily alcohol use, in terms of periodicity or rhythmicity of consumption, between alcohol-dependent and nondependent drinkers otherwise matched on the basis of quantity and frequency of alcohol use. METHOD: Frequency-domain time-series analysis was applied to daily drinking logs of six alcohol-dependent and six nondependent male subjects matched for consumption quantity and frequency who had participated in a larger 112-day study of alcohol consumption patterns using an innovative touch-tone telephone method of daily self-report. Spectral analysis partitioned variance in the drinking logs among statistically independent frequency cycles of relatively heavier and lighter drinking. The percentage of variance accounted for by fast (< 4 days), medium (7 +/- 3 days) and slow (> 10 days) cycle periods was compared for diagnostic group differences. RESULTS: Effective matching precluded consumption quantity, frequency or variability differences between the groups. Spectral analysis of the time-series data revealed group differences in the rhythmicity, or cyclical characteristics, of the drinking logs. The drinking logs of alcohol-dependent subjects exhibited more pronounced weekly cycles, whereas drinking logs of nondependent subjects fluctuated over longer periods. CONCLUSIONS: Temporal patterns of regular alcohol use may be an important behavioral variable influencing the seriousness of consequences associated with drinking, which may partly elucidate the relatively weak relationship between dependence symptomatology and consumption quantity-frequency.

Adult↗
PubMed1999

The U-shaped curve: various health measures and alcohol drinking patterns.

OBJECTIVE: To determine whether the well-known U-shaped relationship between average alcohol intake and mortality also holds for other health measures and for aspects of drinking other than weekly average alcohol intake, such as frequency of heavy-drinking episodes. METHOD: This study was carried out within the framework of a general population survey conducted in Eindhoven, The Netherlands (N = 18,973). Apart from mortality, the following health measures were considered: self-assessed health (based on perceived general health and the Nottingham Health Profile questionnaire), a list of chronic conditions and a list of health complaints. Respondents were categorized as abstainers, light (1-14 units/week), moderate (15-28 units/week) and excessive drinkers (> or =29 units/week). Information on the frequency with which heavy-drinking episodes occurred was also available. RESULTS: Light or moderate drinkers had not only lower mortality but other health burdens were lower than for either abstainers or heavier drinkers. Frequent heavy-drinking episodes were observed to be directly related to increased mortality rates, although not significantly. A trend was observed for drinkers reporting seldom heavy-drinking episodes (once or twice in the previous 6 months) to report less health burdens and to have lower mortality rates than those reporting no heavy drinking episodes. CONCLUSIONS: A U-shaped pattern was observed for mortality as well as for several other health measures. Frequent heavy-drinking episodes were related to an increased likelihood of mortality (not significant but suggesting a J-shaped pattern) and were not related to other health measures.

Adolescent↗
PubMed2000

Smoking and drinking among alcoholics in treatment: cross-sectional and longitudinal relationships.

OBJECTIVE: The relationship between tobacco dependence and alcohol dependence has received considerable scrutiny in the past few years. The present study of alcoholics in treatment for alcoholism extended previous work by investigating the cross-sectional and longitudinal relationships between drinking and smoking variables. METHOD: Male and female alcoholics (N = 116) completed a standard assessment of smoking and drinking pretreatment followed by a laboratory assessment of reactivity to alcohol cues. Participants' drinking and smoking were evaluated again 6 months following treatment. RESULTS: (1) Pretreatment tobacco dependence, pretreatment alcohol dependence, urge to smoke and urge to drink were positively correlated; (2) smoking rates and drinking rates were not correlated either before or following treatment; (3) pretreatment smoking history did not predict posttreatment drinking; (4) the rate of smoking declined following treatment for alcoholism for 45% of the smoking patients who completed a 6-month follow-up, independent of relapse status; and (5) relapsers who smoked more heavily also drank less frequently during follow up. CONCLUSIONS: Consistent but modest cross-sectional relationships between drinking and smoking variables before alcohol treatment decrease after treatment for alcohol dependence. A spontaneous improvement in smoking rate occurs in many (45%), particularly among those who smoked more heavily pretreatment and thus benefit most by the reduction. Directions for future research are discussed.

Adolescent↗
PubMed2003

Risk factors that predicted problem drinking in Danish men at age thirty.

OBJECTIVE: The Danish Longitudinal Study of Alcoholism utilized a prospective, high-risk research paradigm to identify putative markers of adult male alcoholism from a comprehensive database that began with the birth of the subject and extended over three decades. This article focuses on measures antedating abusive drinking that predicted lifetime alcohol abuse/dependence at age 30 years. METHOD: The original 330 subjects of this study were drawn from a large Danish birth cohort (N = 9,125) born between 1959 and 1961. The sample included 223 sons of treated alcoholic fathers (high-risk group) and 107 matched sons whose biological fathers had no record of treatment for alcoholism (low-risk group). This sample has been thoroughly investigated with a variety of methods representing multiple domains that included perinatal records, pediatric records, school records, teacher ratings, school physician records and a series of structured interviews and psychometric tests at ages 19-20 and 30 years. The present analysis focuses on the degree to which premorbid differences between the high- and low-risk groups later predicted lifetime drinking problems at age 30 (n = 241). RESULTS: As expected lifetime alcohol abuse/dependence by age 30 was reported significantly more often in the high-risk group. Of the 394 premorbid variables tested, 68 were found to distinguish the high- from the low-risk group before any subjects had developed a drinking problem. Of these 68 variables, 28 (41%) were also associated with DSM-III-R alcohol abuse/dependence at age 30. These 28 putative markers were reduced to 12 that were entered into a multiple regression analysis to search for the most powerful unique predictors of alcoholism. Four of the 28 putative markers were independently associated with problem drinking at age 30: low birth weight, number of life crises in childhood, ratings of childhood unhappiness and antisocial personality disorder. The regression model accounted for 46% of the drinking outcome variance. A father's alcoholism by itself no longer independently contributed to the prediction of his son's drinking and with one exception, did not systematically interact with the putative markers to facilitate the prediction of alcohol dependence at age 30. CONCLUSIONS: Risk itself. which significantly predicted problem drinking at age 30, was not uniquely associated with the development of alcoholism in adulthood. These findings, rather, provide broad support for the biopsychosocial model of alcoholism, especially for those models that emphasize the cumulative influence over time of internal and external variables in biologically vulnerable individuals.

Adult↗
PubMed2006

The effect of past-year heavy drinking on alcohol-related aggression.

OBJECTIVE: The primary goal of this study was to determine the moderating effect of a history of heavy episodic drinking on the alcohol-aggression relation in men and women. METHOD: Participants were 310 (152 men and 158 women) healthy social drinkers between 21 and 35 years of age. Drinking history was operationalized as participants' average number of alcoholic drinks consumed per drinking occasion during the past year. Following the consumption of either an alcohol or a placebo beverage, participants were tested on a modified version of the Taylor Aggression Paradigm in which mild electric shocks were received from, and administered to, a fictitious opponent during a competitive task. Aggressive behavior was operationalized as the shock intensities administered to the fictitious opponent under conditions of low and high provocation. RESULTS: Alcohol increased aggression only among highly provoked men who reported a history of heavy episodic drinking. A history of high-frequency drinking did not moderate the alcohol-aggression relation. CONCLUSIONS: These findings highlight the importance of considering a history of heavy episodic drinking in the prediction of intoxicated aggression.

Adult↗
PubMed2006

"I'll never drink like that again": characteristics of alcohol-related incidents and predictors of motivation to change in college students.

OBJECTIVE: Alcohol use and its associated behaviors are among the most common reasons for medical treatment and disciplinary infractions among college students. The purpose of this study was to describe the characteristics of students who had recent serious alcohol-related incidents and to identify predictors of motivation to change alcohol use and heavy drinking in particular, with specific attention to gender. METHOD: Students (N = 227; 52% female) who had been mandated to attend a session of alcohol education following alcohol-related medical treatment and/or a disciplinary infraction were assessed on their alcohol use, alcohol problems, characteristics of their alcohol-related incident, reactions to the incident, attributions about the incident, and motivation to change drinking and heavy drinking. Path and regression analyses were used to identify the individual and incident-related characteristics that were related to motivation to change. RESULTS: Perceived aversiveness of the incident was directly and positively related to motivation to change drinking and heavy drinking. Alcohol consumption in the month before the incident and past-year alcohol problems were negatively related to motivation to change heavy drinking, and women were more motivated to change heavy drinking than men. The more students consumed in the incident, the more likely they were to feel responsible for it, and the more responsible they felt about the incident, the greater its aversiveness. CONCLUSIONS: Individual and incident-related characteristics are both directly and indirectly associated with motivation to change following an alcohol-related incident, and therefore have implications for interventions with college drinkers who have experienced an alcohol-related incident.

Adolescent↗
PubMed2006

A developmental study of heavy episodic drinking among college students: the role of psychosocial and behavioral protective and risk factors.

OBJECTIVE: A theory-based protection/risk model was applied to explain variation in college students' heavy episodic drinking. Key aims were (1) to establish that psychosocial and behavioral protective factors and risk factors can account for cross-sectional and developmental variation in heavy episodic drinking, and (2) to examine whether protection moderates the impact of risk on heavy episodic drinking. METHOD: Random- and fixed-effects maximum likelihood regression analyses were used to examine data from a three-wave longitudinal study. Data were collected in fall of 2002, spring of 2003, and spring of 2004 from college students (N=975; 548 men) who were first-semester freshmen at Wave 1. RESULTS: Psychosocial and behavioral protective and risk factors accounted for substantial variation in college-student heavy episodic drinking, and protection moderated the impact of risk. Findings held for both genders and were consistent across the three separate waves of data. Key predictors of heavy episodic drinking were social and individual controls protection (e.g., parental sanctions for transgression and attitudinal intolerance of deviance, respectively); models risk (peer models for substance use); behavioral protection (attendance at religious services); and behavioral risk (cigarette smoking and marijuana use). Changes in controls protection, models risk, and opportunity risk were associated with change in heavy episodic drinking. CONCLUSIONS: An explanatory model based on both psychosocial and behavioral protective and risk factors was effective in accounting for variation in college-student heavy episodic drinking. A useful heuristic was demonstrated through the articulation of models, controls, support, opportunity, and vulnerability to characterize the social context, and of controls, vulnerability, and other behaviors to characterize individuals.

Alcohol Drinking↗
PubMed2002

Student factors: understanding individual variation in college drinking.

OBJECTIVE: Research on individual differences in drinking rates and associated problems among college students is reviewed. METHOD: Studies are included if completed within U.S. college and university samples and found in published scientific literature as identified by several searches of national databases. RESULTS: The resulting review suggests first that the extant literature is large and varied in quality, as most studies use questionnaire responses from samples of convenience in cross-sectional designs. Evidence from studies of college samples does consistently suggest that alcohol is consumed for several different purposes for different psychological effects in different contexts. A pattern of impulsivity/sensation seeking is strongly related to increased drinking among students. This pattern is supported by research into personality, drinking motives, alcohol expectancies and drinking contexts. A second pattern of drinking associated with negative emotional states is also documented. Some long-term consequences of this second pattern have been described. Social processes appear especially important for drinking in many college venues and may contribute to individual differences in drinking more than enduring personality differences. CONCLUSIONS: Future research efforts should test interactive and mediating models of multiple risk factors and address developmental processes.

Alcohol Drinking↗
PubMedDate not supplied

[Can energy drinks affect the effects of alcoholic beverages? A study with users].

OBJECTIVES: The pattern of use of energy drinks, alone or combined with alcoholic beverages, was evaluated in a criteria sample. METHODS: 136 volunteers aged 24 +/- 6 years, who had reported at least one previous use of energy drinks, answered a questionnaire on their pattern of use of energy drinks and alcoholic beverages. RESULTS: Most of the sample (76%) reported using energy drinks in combination with alcoholic beverages, preferably whisky (90%), vodka (37%) and beer (13%). Most of the sample (79%) also reported using energy drinks alone. In the latter case, 61% of them reported not feeling any effect, 10% reported happiness, 9% euphoria, 9% insomnia, 7% uninhibited behavior and 24% increase in physical vigor. Out of those who reported combined use with alcohol, 14% told not to feel different, 38% increase happiness, 30% euphoria, 11% insomnia, 27% uninhibited behavior and 24% increase of physical vigor. High level of variability was observed in the number of lifetime uses of energy drinks (14 +/- 16). However, there was certain constancy in the number of cans ingested per occasion (1.5 +/- 0.7). CONCLUSIONS: It was observed that the effects of energy drinks are variable, probably depending on the dose and individual sensitivity. Some reports suggest interaction with alcohol, expressed as an increase in the excitatory effects or reduction in the depressive effects. The possible pharmacological mechanisms underlying this interaction are discussed.

Adolescent↗
PubMed1979

Dependence of spontaneous and angiotensin-induced drinking in the rat upon the oestrous cycle and ovarian hormones.

The influence of the oestrous cycle on spontaneous and dipsogen-induced drinking was studied in female rats. Spontaneous fluid intake was lowest on the day of oestrus. Drinking induced by subcutaneous isoprenaline, and by angiotensin II (injected into the preoptic area), also showed marked cyclical variation, being lower at pro-oestrus and oestrus than at other stages of the cycle. Drinking induced by subcutaneous hypertonic NaCl or by intracranial carbachol did not vary with the oestrous cycle. Cyclicity of spontaneous and of angiotensin-induced water intake was not apparent in rats before puberty or after ovariectomy. Ovariectomy reduced drinking in response to isoprenaline. Treatment with oestradiol benzoate (20 micrograms) caused a reduction in spontaneous water intake, but a marked increase in the drinking response to isoprenaline. Treatment with oestradiol benzoate and progesterone (2.5 mg) caused a larger decrease in spontaneous water intake and an insignificant increase in isoprenaline-induced drinking. Water intake induced by subcutaneous hypertonic saline was unaffected by gonadal steroids. The results provide further evidence for the view that the thirst of extracellular origin, in which the renin-angiotensin system is involved, is brought about by mechanisms different from those that respond to cellular dehydration. Only drinking caused by activation of extracellular mechanisms appeared to be sensitive to the ovarian cycle and to ovarian hormones.

Angiotensin II↗
PubMed1979

Assessment of attack and drinking in White King pigeons on response-independent food schedules.

Four White King pigeons in Experiment I were exposed to a fixed-time 90-second food schedule with successive access to water and a conspecific target. Drinking per session was sporadic and minimal, while attack per session occurred during most interfood intervals for all animals. Analysis of the temporal distribution of attack showed that the typical postreinforcement pattern of attack developed over the course of the experiment. In Experiment II, the same animals were exposed to a series of fixed-time schedules ranging from 30 to 360 seconds with successive access to water and target. Time engaged in drinking and the number of interfood intervals with drinking were less than that of attack. Food and no-food baselines, which have been typically used to assess schedules-induced drinking and attack, respectively, were used to evaluate the effect of the schedule on attack and water ingestion. Relative to the no-food baseline, both attack and drinking were enhanced by the schedule in all birds. Relative to the food baseline, drinking was slightly suppressed in three birds and attack was enhanced in all. For all animals, the food baseline resulted in more attack and drinking than the no-food baseline.

Aggression↗
PubMed1983

Impact of legislation raising the legal drinking age in Massachusetts from 18 to 20.

On April 16, 1979, Massachusetts raised its legal drinking age from 18 to 20 years. Massachusetts was compared with New York State, exclusive of New York City and Nassau County. New York State retained an 18-year-old drinking age. Random telephone surveys with approximately 1,000 16-19 year olds in each state were undertaken prior to the law's enactment and twice at yearly intervals after the law to assess the law's impact on teenage drinking, driving after drinking, and non-fatal accident involvement. Fatal crash data reported to the US Department of Transportation by each state from April 16, 1976-April 15, 1981 were also analyzed. After the law, although the modes of procuring alcohol changed. No significant changes were observed in Massachusetts relative to New York in the proportion of surveyed teenagers who reported that they drank or in the volume of their consumption. The proportion of teenagers who drove after drinking heavily (six or more drinks at one time) did not decline in Massachusetts relative to New York. However, the frequency that teenagers reported driving after any drinking declined significantly in Massachusetts. Frequency of teenage driving after marijuana use and non-fatal teenage accidents declined at comparable rates in both states. The numbers of teenage nighttime single vehicle fatal accidents declined more in Massachusetts than New York, in the 18-19 year age group. Overall fatal accident trends among 16-19 year olds in the two states were similar.

Accidents, Traffic↗
PubMed1994

Seat belt use among drinking drivers in Minnesota.

OBJECTIVES: Among the reasons cited for recent declines in alcohol-related traffic fatalities is the enactment of seat belt use laws by most states. It is suspected that drinking drivers are less likely to comply with such laws, although evidence on the relationship between belt use and drinking by drivers is sparse and conflicting. The purpose of this study was to examine the relationship of drinking to driver seat belt use. METHODS: Observational, self-report, and chemical breath test data were collected on nighttime drivers in 16 Minnesota communities during September, 1990. RESULTS: Drivers with an illegal blood alcohol concentration (> or = 100 mg/dL) were substantially less likely to be wearing a seat belt (odds ratio [OR] = 2.17). Belt use was also more common among females (OR = 2.02) and before midnight (OR = 1.47). Males who had been drinking were less likely to be belted. Belt use was related to drinking before, but not after, midnight. Belt use was not related to drinking status among college graduates, but it was strongly related to drinking status among those with less education. CONCLUSIONS: The present findings provide further argument for rapid implementation of passive countermeasures (airbags) and for development of creative, carefully focused interventions to target high-risk populations.

Accidents, Traffic↗
PubMed1995

A gender-specific measure of binge drinking among college students.

This study examined the relationship of volume of alcohol consumed to the occurrence of alcohol-related problems among male and female college students to develop a gender-specific measure of heavy episodic or binge drinking by college students for public health research. A self-administered survey was mailed to a national representative sample of students at 140 4-year colleges in 40 states and the District of Columbia. A total of 17,592 college students completed the survey. Women who typically drink four drinks in a row were found to have roughly the same likelihood of experiencing drinking-related problems as men who typically drink five drinks in a row. Use of the same standard for both sexes underestimates binge drinking and the negative health risks for women.

Adult↗
PubMed1999

Type of alcoholic drink and risk of major coronary heart disease events and all-cause mortality.

OBJECTIVES: This study examined the effects of beer, spirits, and wine drinking on coronary heart disease (CHD) events (fatal and nonfatal) and all-cause mortality. METHODS: Men aged 40 to 59 years (n = 7735) were drawn at random from one general practice in each of 24 British towns and followed up for an average of 16.8 years. RESULTS: Regular drinkers showed a significantly lower relative risk of CHD, but no all-cause mortality, than occasional drinkers, even after adjustment for potential confounders. The benefit for CHD of regular drinking was seen within both beer drinkers and spirit drinkers but not among men who reported wine drinking. However, all men who reported wine drinking (both occasional and regular) showed significantly lower age-adjusted risks of CHD and all-cause mortality than men drinking beer or spirits; beer and spirit drinkers showed similar risks. CONCLUSIONS: The findings suggest that regular intake of all alcoholic drinks is associated with a lower risk of CHD, but not all-cause mortality, than occasional drinking. A large part, but not all, of the greater benefit seen in wine drinkers relative to other drinkers can be attributed to advantageous lifestyle characteristics (e.g., low rates of smoking and obesity).

Adult↗