Response options: I don't know what it is, Never or almost never, Several times a month, Several times a week, Several times a day, Valid Skip, Not Applicable, Invalid, No Response
Response options: Never or almost never, About once or twice a year, About once or twice a month, About once or twice a week, Every day or almost every day, Valid Skip, Not Applicable, Invalid, No Response
Response options: Never or almost never, About once or twice a year, About once or twice a month, About once or twice a week, Every day or almost every day, Valid Skip, Not Applicable, Invalid, No Response
Response options: I don't know what it is, Never or almost never, Several times a month, Several times a week, Several times a day, Valid Skip, Not Applicable, Invalid, No Response
