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Open Access Research article

Screening and brief interventions for hazardous and harmful alcohol use among hospital outpatients in South Africa: results from a randomized controlled trial

Supa Pengpid12*, Karl Peltzer234, Linda Skaal5 and Hendry Van der Heever1

Author Affiliations

1 Department of Health System Management and Policy, University of Limpopo (MEDUNSA Campus), Pretoria, South Africa

2 ASEAN Institute for Health and Development, Mahidol University, Salaya, Phutthamonthon, Nakhonpathom 73170, Thailand

3 Department of Psychology, University of Limpopo, Turfloop, Sovenga 0727, South Africa

4 Human Sciences Research Council (HSRC), Pretoria 0001, South Africa

5 Department of Social and Behavioural Health Sciences, University of Limpopo (MEDUNSA Campus), Pretoria, South Africa

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BMC Public Health 2013, 13:644  doi:10.1186/1471-2458-13-644

Published: 11 July 2013

Abstract

Background

High prevalence rates of hazardous and harmful alcohol use have been found in a hospital outpatient setting in South Africa. Hospital settings are a particularly valuable point of contact for the delivery of brief interventions because of the large access to patient populations each year. With this in mind, the primary purpose of this randomized controlled trial is to provide screening for alcohol misuse and to test the effectiveness of brief interventions in reducing alcohol intake among hospital outpatients in South Africa.

Methods

The study design for this effectiveness study is a randomized controlled trial with 6- and 12-month follow-ups to examine the effects of a brief alcohol intervention to reduce alcohol use by hazardous or harmful drinkers in a hospital setting. Outpatients were screened for alcohol problems, and those identified as hazardous or harmful drinkers were randomized into an experimental or control group. The experimental group received one brief counselling session on alcohol risk reduction, while the control group received a health education leaflet.

Results

Of the 1419 screened for alcohol misuse who agreed to participate in the trial 392 (27.6%) screened positive for hazardous or harmful use on the Alcohol Use Disorder Identification Test (AUDIT) (score 7/8-19) and 51 (3.6%) had an AUDIT score of 20 or more. Among the 282 (72%) hospital outpatients who also attended the 12-month follow-up session, the time effects on the AUDIT scores were significant [F (1,195 = 7.72), P < 0.01] but the intervention effect on the AUDIT score was statistically not significant [F (1,194 = 0.06), P < 0.804].

Conclusion

Given the lack of difference in outcome between control and intervention group, alcohol screening and the provision of an alcohol health education leaflet may in itself cause reduction in drinking.

Trial registration

PACTR201110000319392