zygosity data

The data set contains the survey data of the zygosity questionnaire, which was used to determine the zygosity of the twins in the first data collection.

Variables

Sort Variable Name
14 value of zygosity discriminant function (gen) zyg0200
26 blood group Zwilling 2 (t,u,m/f) zyg0503
63 own eye color (t,u) zyg1200
85 subsequently completed zygosity questionnaire sdc0100
1 family ID (scientific use file) fid
2 household ID wave-specific (scientific use file) (F2F 1) hid_1
6 month zygosity questionnaire was conducted (gen) mon_zq
3 person ID (scientific use file) pid
4 type of respondent ptyp
0 subsample (gen) wav0100
5 year zygosity questionnaire was conducted (gen) yea_zq
7 result zygosity questionnaire (gen) zyg0100
8 result saliva test (gen) zyg0101
9 final zygosity: result zygosity questionnaire corrected by DNA-test result (gen) zyg0102
10 age twins (m/f) zyg0105
11 sex twins (m/f) zyg0106
12 value of zygosity discriminant function (gen) zyg0109
13 duplicate of zygosity details used zyg0110
15 height in cm twin 1 (m/f) zyg0200t
16 height in cm twin 2 (m/f) zyg0200u
17 result saliva test (gen) zyg0201
18 difference: twins' hair color (m/f) zyg0300
19 difference: twins' hair texture (m/f) zyg0301
20 difference: twins' eye color (m/f) zyg0302
21 difference: twins' earlobes (m/f) zyg0303
22 twins' tooth development simultaneous (m/f) zyg0400
23 twins' blood group known (m/f) zyg0500
24 blood group twin 1 (t,u,m/f) zyg0501
25 rhesus factor twin 1 (t,u,m/f) zyg0502
27 rhesus factor Zwilling 2 (t,u,m/f) zyg0504
28 differences resulting from difficulties in childbirth, accident, illness (m/f) zyg0600
29 twins' similarity with increasing age (m/f) zyg0602
30 assessment: zygosity of twins (m/f) zyg0700
31 determination of zygosity (m/f) zyg0702
32 similarity of the twins in earlier photographs (m,f) zyg0800
33 twins confused with each other in past: by other parent (m/f) zyg0801
34 twins confused with each other in past: by older sibling(s) (m/f) zyg0802
35 twins confused with each other in past: by other relatives (m/f) zyg0803
36 twins confused with each other in past:by b-sitter/in-home daycare provider(m/f) zyg0804
37 twins confused with each other in past: by close friends (m/f) zyg0805
38 twins confused with each other in past: by distant friends (m/f) zyg0806
39 twins confused with each other in past by people meeting them 1. time(m/f) zyg0807
40 frequency of confusion between twins (m/f) zyg0808
41 resemblance of twins in early childhood (m/f) zyg0809
42 other twins in family: children's generation, mother's side (t,u,m/f) zyg0900
43 other twins in family: children's generation, father's side (t,u,m/f) zyg0901
44 other twins in family: generation of children's children, mother's side (t,u) zyg0902
45 other twins in family: generation of children's children, father's side (t,u) zyg0903
46 other twins in family: parents' generation, mother's side (t,u,m/f) zyg0904
47 other twins in family: parents' generation, fathers's side (t,u,m/f) zyg0905
48 other twins in family: grandparents' generation, mother's side (t,u,m/f) zyg0906
49 other twins in family: grandparents' generation, father's side (t,u,m/f) zyg0907
50 no other twins in family (t,u,m/f) zyg0908
51 zygosity of other twins: children's generation, mother's side (t,u,m/f) zyg0920
52 zygosity of other twins: children's generation, father's side (t,u,m/f) zyg0921
53 zygosity of other twins: generation of children's children, mother's side (t,u) zyg0922
54 zygosity of other twins: generation of children's children, father's side (t,u) zyg0923
55 zygosity of other twins: parents' generation, mother's side (t,u,m/f) zyg0924
56 zygosity of other twins: parents' generation, fathers's side (t,u,m/f) zyg0925
57 zygosity of other twins: grandparents' generation, mother's side (t,u,m/f) zyg0926
58 zygosity of other twins: grandparents' generation, father's side (t,u,m/f) zyg0927
59 firstborn twin (t,u) zyg1000
60 final zygosity: result zygosity questionnaire corrected by DNA-test result (gen) zyg1100
61 additional body hair (t,u) zyg1101
62 additional body hair other twin (t,u) zyg1102
64 eye color other twin (t,u) zyg1202
65 difference: eye color (t,u) zyg1204
66 own eye color, zyg1200 and open response zyg1201 combined (gen) zyg1205
67 eye color other twin, zyg1200 and open response zyg1201 combined (gen) zyg1206
68 change zygosity calcul. using zyg1205, zyg1206 instead of zyg1200, zyg1202 (gen) zyg1207
69 difference: earlobes (t,u) zyg1300
70 own skin color (t,u) zyg1400
71 skin color other twin (t,u) zyg1401
72 been confused with other twin in the past (t,u) zyg1500
73 been confused with other twin in the past: by parents (t,u) zyg1501
74 been confused with other twin in the past: by sibling(s) (t,u) zyg1502
75 been confused with other twin in the past: by friends (t,u) zyg1503
76 been confused with other twin in the past: by teachers (t,u) zyg1504
77 been confused with other twin in the past: by people at first meeting (t,u) zyg1505
78 in the past: effort to tell twins apart (t,u) zyg1506
79 telling twins apart in recent photos (t,u) zyg1507
80 own tendency to sweat (t,u) zyg1600
81 other twin's tendency to sweat (t,u) zyg1601
82 twins ill equally often (t,u) zyg1700
83 assessment: zygosity of twins (t,u) zyg1800
84 information about zygosity (t,u) zyg1801
Info

Study: twinlife

Dataset: ZA6701_zygosity_v4-0-0


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