CONCLUSIONS: Among older adults who are moderate drinkers, the apparent unique effects of wine on longevity may be explained by confounding factors correlated with wine consumption.
I don't understand what you are trying to show with this study. It compares moderate drinkers among themselves according to the type of alcohol consumed. It doesn't compare drinkers vs non drinkers
http://www.ncbi.nlm.nih.gov/pubmed/22152665
CONCLUSIONS: Among older adults who are moderate drinkers, the apparent unique effects of wine on longevity may be explained by confounding factors correlated with wine consumption.