Also makes you wonder if some of those wine/none-wine-alcohol effects are really female/male effects.
There are also class and ethnic biases - wine drinkers are disproportionately college-educated and caucasian.
...reading the fulltext now. They were selected from among middle-aged civil servants in London in the late 80s/early 90s so the sample is way more homogeneous than the total population, certainly if the U.S. is what you're thinking of.
In London...
Polluted London, Leaded car fuel London
Is that anecdotal or are you citing something? Boxed wine is a favourite of derelict alcoholics because it's so cheap.