Probst Charlotte, Shuper Paul A, Rehm Jürgen
Centre for Addiction and Mental Health (CAMH), Toronto, Ontario, Canada.
Institute for Clinical Psychology and Psychotherapy, Dresden, Germany.
Addiction. 2017 Apr;112(4):705-710. doi: 10.1111/add.13692. Epub 2016 Dec 20.
Evidence suggests that adult per-capita alcohol consumption, as estimated from self-reports of nationally representative surveys, underestimates 'true' consumption, as measured as the sum of recorded and unrecorded consumption. The proportion of total adult alcohol per capita reported in representative surveys is usually labelled 'coverage'. The aim of the present paper was to estimate coverage for South Africa under different scenarios of alcohol use assessment and 'true' consumption.
Five nationally representative surveys from South Africa were used to estimate the prevalence of drinking and the grams per day among current drinkers. All surveys used a complex multi-stage sampling frame that was accounted for by using survey weights. The total (recorded and unrecorded), the recorded and the adjusted total adult per-capita alcohol consumption in South Africa served as different estimates of the 'true' consumption.
South Africa.
Alcohol use information was assessed on a total of 8115, 16 398 and 13 181 adults (15 years or older) in surveys from the years 2003, 2005 and 2008, respectively. Two surveys in 2012 included 27 070 and 18 688 adults.
Coverage of the alcohol use reported in the surveys was calculated, compared with the 'true' adult per-capita alcohol.
The survey data covered between 11.8% [2005; 95% uncertainty interval (UI) = 9.3-16.2%)] and 19.4% (2003; 95% UI = 14.9-24.2%) of the total alcohol used per capita. The highest coverage of 27.9% (95% UI = 22.4-36.8%) was observed when looking only at recorded alcohol in 2003.
Evidence from five nationally representative surveys assessing alcohol use suggests that less than 20% of the total adult per-capita alcohol consumption in South Africa is reported in surveys.
有证据表明，根据全国代表性调查的自我报告估算的成人人均酒精消费量，低估了“真实”消费量，后者是以记录和未记录的消费量总和来衡量的。代表性调查中报告的成人人均酒精消费总量的比例通常被称为“覆盖率”。本文的目的是估计在不同酒精使用评估情景和“真实”消费量下南非的覆盖率。
使用了南非的五项全国代表性调查来估计饮酒患病率和当前饮酒者的每日饮酒克数。所有调查都使用了复杂的多阶段抽样框架，并通过调查权重进行了说明。南非的总（记录和未记录）、记录的以及调整后的成人人均酒精消费量被用作“真实”消费量的不同估计值。
南非。
在2003年、2005年和2008年的调查中，分别对8115名、16398名和13181名15岁及以上的成年人进行了酒精使用信息评估。2012年的两项调查包括27070名和18688名成年人。
计算了调查中报告的酒精使用覆盖率，并与“真实”成人人均酒精量进行了比较。
调查数据覆盖了人均总酒精使用量的11.8%[2005年；95%不确定区间（UI）=9.3 - 16.2%]至19.4%（2003年；95% UI = 14.9 - 24.2%）。仅查看2003年记录的酒精时，观察到的最高覆盖率为27.9%（95% UI = 22.4 - 36.8%）。
五项评估酒精使用的全国代表性调查的证据表明，南非调查中报告的成人人均酒精消费总量不到20%。
