Response Options:No formal schooling (Preschool or Kindergarten) , Did not finish elementary school (grade 1-5 SD) or Madrasah Ibtidaiyah , Finished elementary school (finishing class 6 SD) or Madrasah Ibtidaiyah , Did not finish first school (class 7-8, SMP); Incomp. junior h.s. (comp. sec. grades 7-8), Madrasah Tsanawiyah or SMP... , Finished Junior High School (SMP, class 9), Madrasah Tsanawiyah or SMP Kejuruan , Did not finish high school (class 10-11, SMA); Incomp. h.s. (comp. h.s. grades 10-11), Did not finish Madrasah Aliyah or , Finished High School (class 12, SMA), Madrasah Aliyah or Sekolah Menengah Kejuruan , Diploma programmes (DI thru DIII) , Diploma programmes (DIV) or Program Sarjana (Bachelors Degree/S1) , Program Spesialis 1 (Graduate diploma) and Profesi Dokter (Medical Doctor Diploma) , Program Master S2 (Masters degree) , Program Doctor; Specialist S3 program , Don’t know , Refused