Zygosity dataset

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

Variables

Sort Variable Name
1 family ID fid
1 household ID fid_hhc
1 type of respondent ptyp
1 person ID pid
1 year zygosity questionnaire was conducted yea_zq
1 month zygosity questionnaire was conducted mon_zq
1 result zygosity questionnaire zyg0100
1 value of zygosity discriminant function zyg0109
1 duplicate of zygosity details used zyg0110
1 result saliva test zyg0101
1 result zygosity questionnaire corrected by saliva test zyg0102
1 firstborn twin zyg1000
1 own height in cm zyg0200
1 height of other twin in cm zyg0201
1 difference: hair texture zyg1100
1 additional body hair zyg1101
1 additional body hair other twin zyg1102
1 own eye color zyg1200
1 eye color other twin zyg1202
1 difference: eye color zyg1204
1 own eye color, zyg1200 and open response zyg1201 combined zyg1205
1 eye color other twin, zyg1200 and open response zyg1201 combined zyg1206
1 change zygosity calculation using zyg1205, zyg1206 instead of zyg1200, zyg1202 zyg1207
1 difference: earlobes zyg1300
1 own skin color zyg1400
1 skin color other twin zyg1401
1 been confused with other twin in the past zyg1500
1 been confused with other twin in the past: by parents zyg1501
1 been confused with other twin in the past: by sibling(s) zyg1502
1 been confused with other twin in the past: by friends zyg1503
1 been confused with other twin in the past: by teachers zyg1504
1 been confused with other twin in the past: by people at first meeting zyg1505
1 in the past: effort to tell twins apart zyg1506
1 telling twins apart in recent photos zyg1507
1 own blood group zyg0501
1 own rhesus factor zyg0502
1 blood group of other twin zyg0503
1 rhesus factor of other twin zyg0504
1 own tendency to sweat zyg1600
1 other twin's tendency to sweat zyg1601
1 twins ill equally often zyg1700
1 assessment: zygosity of twins zyg1800
1 information about zygosity zyg1801
1 other twins in family: children's generation, mother's side zyg0900
1 other twins in family: children's generation, father's side zyg0901
1 other twins in family: gen. of children's children, mother's side zyg0902
1 other twins in family: gen. of children's children, father's side zyg0903
1 other twins in family: parents' generation, mother's side zyg0904
1 other twins in family: parents' generation, fathers's side zyg0905
1 other twins in family: grandparents' generation, mother's side zyg0906
1 other twins in family: grandparents' generation, father's side zyg0907
1 no other twins in family zyg0908
1 zygosity of other twins: children's generation, mother's side zyg0920
1 zygosity of other twins: children's generation, father's side zyg0921
1 zygosity of other twins: gen. of children's children, mother's side zyg0922
1 zygosity of other twins: gen. of children's children, father's side zyg0923
1 zygosity of other twins: parents' generation, mother's side zyg0924
1 zygosity of other twins: parents' generation, fathers's side zyg0925
1 zygosity of other twins: grandparents' generation, mother's side zyg0926
1 zygosity of other twins: grandparents' generation, father's side zyg0927
1 subsequently surveyed zygosity questionnaire sdc0100
1 age of twins zyg0105
1 sex of twins zyg0106
1 height of twin 1 in cm zyg0200t
1 height of twin 2 in cm zyg0200u
1 difference: twins' hair color zyg0300
1 difference: twins' hair texture zyg0301
1 difference: twins' eye color zyg0302
1 difference: twins' earlobes zyg0303
1 twins' tooth development simultaneous zyg0400
1 twins' blood group known zyg0500
1 differences resulting from difficulties in childbirth, accident, illness zyg0600
1 twins' similarity with increasing age zyg0602
1 assessment: zygosity of twins zyg0700
1 determination of zygosity zyg0702
1 similarity of the twins in earlier photographs zyg0800
1 twins confused with each other in past zyg0801
1 twins confused with each other in past: by older sibling(s) zyg0802
1 twins confused with each other in past: by other relatives zyg0803
1 twins confused with each other in past: by babysitter/in-home daycare provider zyg0804
1 twins confused with each other in past: by close friends zyg0805
1 twins confused with each other in past: by distant friends zyg0806
1 twins confused with each other in past: by people meeting them for the 1st time zyg0807
1 frequency of confusion between twins zyg0808
1 resemblance of twins in early childhood zyg0809

Info

Study: twinlife

Release:

Dataset: za6701_zygosity_v1-0-0


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