12:48pm Monday 24 July 2017

Drinking in moderation – is it good for you?

Researchers used data from the Health, Work and Retirement Longitudinal Studyto explore whether alcohol had any benefits for older New Zealanders’ health. The research team, led by Dr Andy Towers from the School of Public Health, found that among more than 2900 older New Zealanders (average age 65), around 45 per cent of men drank daily while less than 25 per cent of women drank daily.

“We initially found that older men and women who consumed one to two drinks daily, and considered moderate drinkers, reported better health than non-drinkers or heavier drinkers. However, we also found that these same moderate drinkers had higher socioeconomic status than non-drinkers or heavier drinkers. This makes it hard to conclude whether good health was due to moderate drinking or better socioeconomic status,” Dr Towers says.

When the researchers controlled for older New Zealanders’ level of socioeconomic status in their analysis, they found that any relationship between moderate drinking and health was significantly reduced for women and completely disappeared for men.

“This is one of the first studies in the world to explore whether health benefits of drinking exist for older adults. Our results support a growing international body of research showing there is little evidence of any health benefit of alcohol use for younger or older people that cannot be explained by other lifestyle factors,” Dr Towers says.

“In fact, our research suggests that older adults’ health doesn’t reflect ‘how much’ they are drinking; it reflects ‘who is drinking’. Moderate drinkers tend be wealthier with lifestyles that encourage good health, so it looks like there is a relationship between their drinking and their health status.

“Given that older drinkers are more at risk from alcohol-related harm than younger drinkers, this is an important finding. If alcohol provides no health benefits for older adults, then how much is too much for an older adult to drink?” Dr Towers says.

The “Health Benefits” of Moderate Drinking in Older Adults may be Better Explained by Socioeconomic Status was written by Dr Towers, Dr Michael Philipp (School of Psychology, Massey University), Dr Patrick Dulin (Department of Psychology, University of Alaska, Anchorage) and Dr Joanne Allen (School of Psychology, Massey University).

The article was recently published in The Journals of Gerontology, and can be read here.

Massey University


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