Response options: All, Very large, Over a half, About half, Under a half, Very small, None, I don't have colleagues, Not applicable, Refusal, Don't know, No answer
Response options: Several times a day, Once a day, Several times a week, Several times a month, Once a month, Less often, Never, Not applicable, Refusal, Don't know, No answer
Response options: Several times a day, Once a day, Several times a week, Several times a month, Once a month, Less often, Never, Not applicable, Refusal, Don't know, No answer
Response options: Several times a day, Once a day, Several times a week, Several times a month, Once a month, Less often, Never, Not applicable, Refusal, Don't know, No answer
Response options: Several times a day, Once a day, Several times a week, Several times a month, Once a month, Less often, Never, Not applicable, Refusal, Don't know, No answer
Response options: Every day, Several times a week, Several times a month, Once a month, Less often, Never, I don't have a regular workplace, Not applicable, Refusal, Don't know, No answer