Zygosity dataset

includes data of the zygosity questionnaire on which the zygosity assessment for the twin pairs is based

Variables

Sort Variable Name
1 half-wave (HW) (gen) wav0100
1 family ID (scientific use file) fid
1 household ID wave 1 (scientific use file) fid_hhc_1
1 household ID wave-specific (scientific use file) hid
1 type of respondent ptyp
1 person ID (scientific use file) pid
1 year zygosity questionnaire was conducted (gen) yea_zq
1 month zygosity questionnaire was conducted (gen) mon_zq
1 result zygosity questionnaire (gen) zyg0100
1 value of zygosity discriminant function (gen) zyg0109
1 duplicate of zygosity details used zyg0110
1 result saliva test (gen) zyg0101
1 final zygosity: result zygosity questionnaire corrected by DNA-test result (gen) zyg0102
1 firstborn twin (t,u) zyg1000
1 value of zygosity discriminant function (gen) zyg0200
1 result saliva test (gen) zyg0201
1 final zygosity: result zygosity questionnaire corrected by DNA-test result (gen) zyg1100
1 additional body hair (t,u) zyg1101
1 additional body hair other twin (t,u) zyg1102
1 own eye color (t,u) zyg1200
1 eye color other twin (t,u) zyg1202
1 difference: eye color (t,u) zyg1204
1 own eye color, zyg1200 and open response zyg1201 combined (gen) zyg1205
1 eye color other twin, zyg1200 and open response zyg1201 combined (gen) zyg1206
1 change zygosity calcul. using zyg1205, zyg1206 instead of zyg1200, zyg1202 (gen) zyg1207
1 difference: earlobes (t,u) zyg1300
1 own skin color (t,u) zyg1400
1 skin color other twin (t,u) zyg1401
1 been confused with other twin in the past (t,u) zyg1500
1 been confused with other twin in the past: by parents (t,u) zyg1501
1 been confused with other twin in the past: by sibling(s) (t,u) zyg1502
1 been confused with other twin in the past: by friends (t,u) zyg1503
1 been confused with other twin in the past: by teachers (t,u) zyg1504
1 been confused with other twin in the past: by people at first meeting (t,u) zyg1505
1 in the past: effort to tell twins apart (t,u) zyg1506
1 telling twins apart in recent photos (t,u) zyg1507
1 own blood group (t,u) zyg0501
1 own rhesus factor (t,u) zyg0502
1 blood group of other twin (t,u) zyg0503
1 rhesus factor of other twin (t,u) zyg0504
1 own tendency to sweat (t,u) zyg1600
1 other twin's tendency to sweat (t,u) zyg1601
1 twins ill equally often (t,u) zyg1700
1 assessment: zygosity of twins (t,u) zyg1800
1 information about zygosity (t,u) zyg1801
1 other twins in family: children's generation, mother's side (t,u) zyg0900
1 other twins in family: children's generation, father's side (t,u) zyg0901
1 other twins in family: generation of children's children, mother's side (t,u) zyg0902
1 other twins in family: generation of children's children, father's side (t,u) zyg0903
1 other twins in family: parents' generation, mother's side (t,u) zyg0904
1 other twins in family: parents' generation, fathers's side (t,u) zyg0905
1 other twins in family: grandparents' generation, mother's side (t,u) zyg0906
1 other twins in family: grandparents' generation, father's side (t,u) zyg0907
1 no other twins in family (t,u) zyg0908
1 zygosity of other twins: children's generation, mother's side (t,u) zyg0920
1 zygosity of other twins: children's generation, father's side (t,u) zyg0921
1 zygosity of other twins: generation of children's children, mother's side (t,u) zyg0922
1 zygosity of other twins: generation of children's children, father's side (t,u) zyg0923
1 zygosity of other twins: parents' generation, mother's side (t,u) zyg0924
1 zygosity of other twins: parents' generation, fathers's side (t,u) zyg0925
1 zygosity of other twins: grandparents' generation, mother's side (t,u) zyg0926
1 zygosity of other twins: grandparents' generation, father's side (t,u) zyg0927
1 subsequently surveyed zygosity questionnaire sdc0100
1 age twins (m/f) zyg0105
1 sex twins (m/f) zyg0106
1 height in cm twin 1 (m/f) zyg0200t
1 height in cm twin 2 (m/f) zyg0200u
1 difference: twins' hair color (m/f) zyg0300
1 difference: twins' hair texture (m/f) zyg0301
1 difference: twins' eye color (m/f) zyg0302
1 difference: twins' earlobes (m/f) zyg0303
1 twins' tooth development simultaneous (m/f) zyg0400
1 twins' blood group known (m/f) zyg0500
1 differences resulting from difficulties in childbirth, accident, illness (m/f) zyg0600
1 twins' similarity with increasing age (m/f) zyg0602
1 assessment: zygosity of twins (m/f) zyg0700
1 determination of zygosity (m/f) zyg0702
1 similarity of the twins in earlier photographs (m/f) zyg0800
1 twins confused with each other in past: by other parent (m/f) zyg0801
1 twins confused with each other in past: by older sibling(s) (m/f) zyg0802
1 twins confused with each other in past: by other relatives (m/f) zyg0803
1 twins confused with each other in past:by b-sitter/in-home daycare provider(m/f) zyg0804
1 twins confused with each other in past: by close friends (m/f) zyg0805
1 twins confused with each other in past: by distant friends (m/f) zyg0806
1 twins confused with each other in past by people meeting them 1. time(m/f) zyg0807
1 frequency of confusion between twins (m/f) zyg0808
1 resemblance of twins in early childhood (m/f) zyg0809
Info

Study: twinlife

Dataset: ZA6701_zygosity_v3-0-0


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