Metadata field: X6..During.the.past.month..how.often.did.you.have.any.milk..either.to.drink.or.on.cereal...Include.regular.milks..chocolate.or.other.flavored.milks..lactose.free.milk..buttermilk..Please.do.not.include.soy.milk.or.small.amounts.of.milk.in.coffee.or.tea..Mark.one.