گزینههای پاسخ: SE:Inapplicable ; RU:Inappropriate response; BH: Missing{Ina, Not asked in survey, Not applicable, No answer, Don´t know, Upper class, Upper middle class, Lower middle class, Working class, Lower class
گزینههای پاسخ: BH: Missing; RU: Inappropriate response{Inappropriate}, Not asked in survey, Not applicable (Have never worked){Not applicable}, No answer, Don´t know, No independence at all, 2, 3, 4, 5, 6, 7, 8, 9, Complete independence
گزینههای پاسخ: DE,SE:Inapplicable ; RU:Inappropriate response; Missing{Inap, Not asked, Not applicable, No answer, Don´t know, Daily, Weekly, Monthly, Less than monthly, Never
