Alcoholism and alcohol abuse medlineplus Alcoholism and alcohol abuse difference Alcoholism and alcohol abuse new york times Alcoholism and alcohol abuse facts Alcoholism and alcohol abuse melinda smith Alcoholism and alcohol abuse ppt Alcoholism and alco. Alcohol consumption and alcohol counselling behaviour among US medical students: cohort study, The BMJ

Alcohol consumption and alcohol counselling behaviour among US medical students: cohort study Alcoholism and alcohol abuse.

Abstract

Objective To determine which factors affect alcohol counselling practices among medical students.

Setting Nationally representative medical schools (n=16) in the United States.

Participants Medical students who graduated in 2003.

Interventions Questionnaires were completed (response rate 83%) at the start of students’ first year (n=1846/2080), entrance to wards (typically during the third year of training) (n=1630/1982), and their final (fourth) year (n=1469/1901).

Main outcome measures Previously validated questions on alcohol consumption and counselling.

Results 78% (3777/4847) of medical students reported drinking in the past month, and a third (1668/ 4847) drank excessively; these proportions changed little over time. The proportion of those who believed alcohol counselling was highly relevant to care of patients was higher at entrance to wards (61%; 919/1516) than in final year students (46%; 606/1329). Although students intending to enter primary care were more likely to believe alcohol counselling was highly relevant, only 28% of final year students (391/1393) reported usually or always talking to their general medical patients about their alcohol consumption. Excessive drinkers were somewhat less likely than others to counsel patients or to think it relevant to do so. In multivariate models, extensive training in alcohol counselling doubled the frequency of reporting that alcohol counselling would be clinically relevant (odds ratio 2.3, 95% confidence interval 1.6 to 3.3) and of reporting doing counselling (2.2, 1.5 to 3.3).

Conclusions Excessive drinking and binge drinking among US medical students is common, though somewhat less prevalent than among comparably aged adults in the US general population. Few students usually discussed alcohol use with patients, but greater training and confidence about alcohol counselling predicted both practising and believing in the relevance of alcohol counselling. Medical schools should consider routinely training students to screen and counsel patients for alcohol misuse and consider discouraging excessive drinking.

Design

Study design

All medical students graduating in 2003 at 16 US medical schools were eligible to complete three questionnaires during their medical training: at first year orientation (summer/autumn 1999), entrance to wards (typically in their third year), and in their final year.

A convenience sample of 17 US medical schools participated in the study; one school was excluded for non-adherence to the protocol. The 16 remaining schools were relatively representative of all US medical schools in terms of student age (first year student average age 24 v 24 nationally), school size (students per school 563 v 527 nationally), medical school research ranking from the US National Institutes of Health (school average 64 v 62 nationally), private/public school balance (51% private schools v 41% nationally), under-represented minorities (13% black, Hispanic, and Native American v 11% nationally), sex (45% women v 43% nationally), and geographical distribution. 11 12 13 14

Students’ responses were linked across time with a unique identifier consisting of mother’s initials at her birth and father’s first two initials. At entry into medical school, 2080 students were eligible to complete the survey and 1846 responded (89%); 1982 were eligible at entry to wards (that is, during either their second or third year) and 1630 responded (82%); 1901 were eligible at the final year and 1469 responded (77%). Of the 2316 students who provided responses, 72% (n=1658) did so at more than one time point; 971 responded at three time points, 687 at two, and 658 at one. Time specific school response rates ranged from 48% to 98%, with 83% responding overall. Not all students were eligible and able to respond at all three survey points (for example, because of pursuing a complementary degree).

Questionnaires were usually administered after semi-mandatory activities (such as after exams, during orientation lunches, or at the end of a class) to encourage participation; students were informed that questionnaires were anonymous and confidential, and participation was voluntary. At some schools with lower response rates, we used Dillman’s five stage mailing process 15 to increase rates; surveys completed with this enhanced follow-up accounted for 5% of the final year responses. School participation was encouraged by offering school specific data (in aggregate and without student identifiers) to school investigators. The median item non-response rate was 3%, with lower rates for demographic information (<1%), 2% missing on drinking variables, and between 5-10% on counselling variables. All available information was used in each analysis.

Description of variables

The three questions on alcohol have been used in a large national US survey and have been validated previously. 16 The questions were:

During the past month, on about how many days did you drink any alcoholic beverage?

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On the days when you drank, about how many drinks did you drink, on average? (a drink is one can or bottle of beer or wine cooler [chilled wine with juice or water], one glass of wine, one cocktail, or one shot of liquor)

How often in the past month did you have five or more drinks on one occasion?

Based on responses to these questions, medical students were classified into one of three groups: excessive drinkers, non-excessive drinkers, or non-drinkers. Consumption was classified as “excessive” in the previous month if it met at least one of these criteria: reported at least one occasion on which they consumed five or more drinks (that is, reported one or more episodes of binge drinking), or men who drank more than two drinks a day on average or women who drank more than one drink a day on average, based on their responses to the frequency and average quantity questions. This criterion corresponds to the at risk average drinking levels specified by the US National Institute for Alcohol Abuse and Alcoholism. 17 Drinkers who did not meet criteria for excessive drinkers were defined as non-excessive drinkers, and those who drank no alcohol in the past month were classified as non-drinkers. We calculated the prevalence of excessive drinking by dividing the number of excessive drinkers by the total number of students, and multiplying by 100.

Smoking questions were drawn from the same source. 16

Have you smoked at least 100 cigarettes in your entire life?

Do you NOW smoke cigarettes every day, some days, or not at all?

How long has it been since you quit smoking cigarettes?

During the past 30 days, on the days you smoked, how many cigarettes did you smoke per day?

We also asked how many days of the past 30 did they

Smoke part or all of a cigar

Use any chewing tobacco, dip, or snuff

Smoke any tobacco in a pipe

Smoke part or all of a cigarette.

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Our primary professional outcomes were two variables concerning medical students’ counselling of patients on alcohol: the perceived relevance of alcohol counselling in the student’s intended practice (“How relevant do you think talking to patients about alcohol will be in your intended practice?”) and validated 18 frequency of alcohol counselling (“With a typical general medicine patient, how often do you actually talk to patients about alcohol?”). The possible response categories for relevance were “not at all,” “somewhat,” and “highly.” For frequency of counselling the response categories were “never-rarely,” “sometimes,” and “usually-always.” We asked about relevance of counselling at all time points, while frequency was measured only in the final year questionnaire, as these students are actually involved in clinical care.

We assessed drinking and counselling behaviours based on characteristics that are known to affect drinking and counselling behaviours, including demographics, personal health related habits, opinions on prevention, intended specialty, and school environment relating to personal health promotion. We also asked (in two separate questions) about apparent attitudes of their medical school and peers towards medical students’ alcohol use.

Results

Most (78%, 3777/4847) students reported drinking alcohol in the past month, and 34% (1668/4847) drank excessively (540/2227 (24%) women and 1126/2615 (43%) men); these proportions changed little over time at medical school (table 1) ⇓. Of those who met the criteria for excessive drinkers, nearly all (99%, 1661/1668) reported binge drinking at least once in the past month, and 36% (594/1668) reported three or more binge episodes (data not shown). In the subset who responded at all time points, 86% (267/310) of those reporting excessive drinking at year one made the same report on at least one subsequent questionnaire; 59% (184/310) reported heavy drinking at all points. Four fifths of first year non-drinkers (167/208) reported no drinking on at least one other questionnaire, and only 13 later reported excessive drinking.

Although similar proportions of students who were intending to practise in primary and non-primary care drank alcohol, non-primary care students were more likely to drink excessively; this was true even after we adjusted for sex disparity in specialty choice (table 1). ⇑ And although almost equal proportions of men and women drank alcohol, men were more than twice as likely to drink excessively. By race, black or African-American students were least likely to drink alcohol and drink excessively, while white students were most likely to do so. When stratified by relationship status, married students were least likely to drink or to drink excessively.

Several personal habits and beliefs were associated with drinking habits (table 1). ⇑ Nearly all current smokers reported drinking alcohol, and they were nearly three times more likely to drink excessively than those who had never smoked (69% (699/1010) v 24% (841/3538)). Strong religious identity was associated with more abstention and less excessive use of alcohol. Rates of excessive drinking were highest among those reporting lower stress levels.

Those who did not drink excessively agreed more strongly that one would provide better counselling if one abstained or did not drink excessively. Academic and peer environment were also associated with drinking behaviours (table 2) ⇓ ; there was a modest relation between students’ perception of school attitude regarding alcohol and the report of excessive drinking. The odds of excessive drinking were 60% higher if peers’ attitude was that “drinking is a good release” compared with “no obvious attitude.” There was a strong relation between a school’s support for non-drinking and students’ drinking behaviours; however, this relation was strongly influenced by findings from one religiously affiliated school that discouraged alcohol use. There were no significant relations (data not shown, P>0.7) between attitudes of school or peers versus perceived relevance or frequency of alcohol counselling.

Among excessive drinkers, about three quarters of men and women drank on 14 or fewer days in the past month (table 3) ⇓. On the days excessive drinkers consumed alcohol, 62% (696/1124) of men drank three or more drinks and 89% (478/539) of women drank two or more drinks. Furthermore, 18% (201/1124) of male and 22% (117/539) of female excessive drinkers reported that their usual alcohol consumption on days they drank met or exceeded binge levels (that is, five or more drinks for men, four or more drinks for women). Among excessive drinkers, 61% (691/1126) of men and 44% (229/520) of women reported binge drinking on multiple occasions in the past 30 days.

When asked how relevant speaking to patients about alcohol would be in their intended medical practice, students intending a primary care specialty were significantly more likely to answer “highly relevant”; this was the case for all time points in school (P<0.01, table 4) ⇓. During their years of clinical training, students’ perception that alcohol counselling was highly relevant declined from 76% (330/432) to 59% (241/406) among those intending to pursue primary care specialties, and from 52% (397/767) to 39% (344/886) among those intending non-primary care specialties. The proportion of students reporting high confidence in alcohol counselling increased from 42% (638/1507) at orientation to wards to 50% (686/1363) during the final year. Only a minority at either entrance to wards (19%; 294/1510) or the final year (35%; 458/1321) thought they had extensive training in alcohol counselling, although nearly all said they had at least some training by senior year. Overall, 28% (391/1393) of seniors reported usually or always talking to their general medical patients about their alcohol consumption.

Nearly half (46%; 606/1330) of final year students considered alcohol counselling highly relevant to their intended specialty (tables 5 and 6) ⇓ ⇓. Characteristics associated with reporting higher perceived relevance of alcohol counselling included: being female; being of black/African American race; abstaining from alcohol in the past month; intending to go into primary care; having extensive training in the topic; feeling highly confident in alcohol counselling; strongly agreeing that moderation in their personal drinking habits was associated with credible and effective alcohol counselling; strongly agreeing that counselling on healthy lifestyles is effective; expressing more interest in prevention than treatment; and agreeing that physicians have a responsibility to promote prevention.

Characteristics associated with frequent alcohol counselling among senior medical students included: being Asian or black/African American; abstaining from alcohol or drinking non-excessively; having extensive training in the topic; feeling highly confident in alcohol counselling; strongly agreeing that moderation in their personal drinking habits is associated with credible and effective alcohol counselling; strongly agreeing that counselling on healthy lifestyles is effective; and strongly agreeing that physicians have a responsibility to promote prevention. Sex, intended specialty, and interest in prevention compared with treatment were not significantly associated with frequency of counselling. Among those who disagreed that moderation in their personal drinking habits was associated with credible and effective alcohol counselling, 19% (15/81) rarely or never counselled, compared with 7% (92/1277) of others (data not shown).

In multivariate models, extensive training in alcohol counselling was associated with over twice the odds of a final year student’s belief that alcohol counselling would be relevant to their practice (adjusted odds ratio 2.3, 95% confidence interval 1.6 to 3.3) and reporting that they often counselled patients about their alcohol consumption (2.2, 1.5 to 3.3) (table 7) ⇓. Personal alcohol consumption (that is, being either a non-drinker or non-excessive drinker) and belief in one’s responsibility to promote prevention were somewhat (but non-significantly) associated with talking with patients about alcohol consumption. Intention to go into a primary care specialty and being female were associated with higher odds of reporting high relevance of alcohol counselling but were not significantly associated with higher odds of talking to patients about alcohol.

Discussion

Comparison of medical students’ alcohol consumption with other populations and previous literature

Our findings are consistent with earlier studies of drinking among US medical students. 21 22 23 24 For example, a study in the mid-1980s of 341 first year medical students at four schools found that 44% were either “frequent” or “heavy” drinkers; these categories involved either occasional or frequent consumption that included binge drinking. 25 This bingeing prevalence was about 50% higher than that reported in a survey of 548 medical students from eight US medical schools in the mid-1990s. 26 Studies in the United Kingdom, 27 Germany, 28 and New Zealand 29 showed rates of bingeing in medical students similar to or higher than rates in the US.

Our reported rates of binge drinking were lower than the 51% of 18-24 year olds, and 40% of 25-34 year old Americans in 2002 who reported consuming five or more drinks at least once in the past month 7 and lower than the rates in 1999 US college seniors (45% in the past two weeks, both for highly competitive colleges and for all final year students). 30 They were, however, substantially higher than bingeing rates reported by female doctors aged 30-70 (0.1% in the past month) 10 and did not decline during medical school.

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Overall, 79% of male and 77% of female medical students reported consuming alcohol in the past 30 days. Consistent with other data showing lower rates of abstention with higher socioeconomic status, these rates of use were slightly higher than national rates: in the US 77% of men and 65% of women aged 25-44 consumed alcohol in 2001. 31 The only previous national data collected on alcohol use among medical students (conducted among 2046 final year students in 1987) found that 87% of women and 88% of men reported alcohol use in the previous month, with no assessments of frequency or quantity. 21 Similar numbers (83% of women and 88% of men) were reported in 1987 for residents’ alcohol use in the past month, also without assessments of frequency or quantity. 32

While bingeing rates in medical students were lower than their peers’, bingeing is still a prevalent behaviour. This suggests that, as with their poor dietary habits (but in contrast to their relatively good smoking and physical activity habits), 33 alcohol use has not yet been sufficiently addressed as an important health risk behaviour among US medical students.

Strengths and weaknesses

Our study’s strengths include a high response rate, a large and representative sample, the longitudinal design, and linked data over time. Our findings, however, are also subject to some limitations. Although not all students responded during all three time periods, response rates for each time period exceeded 75%. Data are limited by being survey data (rather than qualitative or interview) from schools with variations within and between them and from self report. Our question on frequency of alcohol counselling, however, was validated with extensive standardised testing, 18 with a strong relation shown between medical students’ self reported alcohol counselling and their actual counselling, as reported by standardised patients. While we have validated some of our data on personal health practice, 43 rates of binge drinking are difficult to validate and are likely to be underestimated because of bias due to social desirability, particularly among health professionals. In addition, we did not use a sex specific definition of binge drinking and might have underestimated the prevalence of binge drinking among women.

Medical students’ personal and clinical attitudes about alcohol have important implications for their current care of patients. Furthermore, drinking practices in young adulthood help to establish patterns for later drinking. 44 As medical school environments might influence students’ consumption (through both the formal and informal or hidden curriculum), 45 it might be useful to consider whether efforts should be made to alter the drinking environments at US medical schools to discourage excessive drinking (though this might be difficult to accomplish). 46 47 If medical students are better educated about guidelines for low risk drinking and screening and counselling for alcohol misuse, they might be more likely to adhere to clinical prevention guidelines and be better equipped to identify and reduce excessive drinking among their patients. Medical schools should also consider supporting the implementation of effective interventions to reduce excessive drinking among medical students and the general population. 48 49 50

Footnotes

Contributors: EF was responsible for the conception, design, and interpretation of data, for drafting the article and revising it, and providing final approval of the version to be published. She is guarantor. LE contributed to study design, was responsible for data analysis and interpretation, contributed to article revision for important intellectual content, and approved the final version. TN contributed to study design, analysis and interpretation of data, drafting components of the article, critical revisions, and approved the final version. RB contributed to study design, analysis and interpretation of data, drafting components of the article, critical revisions, and approved the final version.

Funding: This work was supported by the American Cancer Society, Annenberg Physician Training Program, Canada Research Chair Program, and the Michael Smith Foundation for Health Research.

Competing interests: None declared.

Ethical approval: This work was approved by the institutional review board at Emory University, and informed consent was given by all participants.

Provenance and peer review: Not commissioned; externally peer reviewed.

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