preferred_name: Number of Years When Consumed More than 2 Drinks per Day for Men and More than 1 Drink per Day for Women
preferred_name_lc: number of years when consumed more than 2 drinks per day for men and more than 1 drink per day for women
label: Number of Years When Consumed More than 2 Drinks per Day for Men and More than 1 Drink per Day for Women
label_lc: number of years when consumed more than 2 drinks per day for men and more than 1 drink per day for women