Response options: Never, Less than once a month, About once a month, Two or three times a month, About once a week, Several times a week, Once a day, More than once a day
Response options: BH: Missing; DE: Inapplicable; RU: Inappropriate response{In, Not asked in survey, Not applicable, No answer, Don´t know, Agree strongly, Agree, Disagree, Strongly disagree
