Response options: Missing; Unknown, Not asked in survey, Not applicable, No answer, Don't know, Argentina [1991], Brazil [1991], Belarus [1990], Chile [1990], China [1990], Czech Republic [1991], India [1990], Japan [1990], South Korea [1990], Mexico [1990], Nigeria [1990], Poland [1989], Russian Federation [1990], Slovakia [1990], South Africa [1990]
Response options: Missing; Unknown, Not asked, Not applicable, No answer, Don´t know, Employer/ manager of establishment with 10 or more employees, Employer/ manager of establishment with less than 10 employe, Professional worker lawyer, accountant, teacher, etc, Supervisory - office worker: supervises others, Non-manual - office worker: non-supervisory, Foreman and supervisor, skilled manual worker, semi-skilled manual worker, unskilled manual worker, Farmer: has own farm, agricultural worker, Member of armed forces, security personnel, Never had a job, Other (cs)
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