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Variable

UK Data Service variable record for:

1970 British Cohort Study: Twenty-Nine-Year Follow-up, 1999-2000

Variable Details

Variablecl1age
LabelAge CM first had severe headaches etc
Question text You mentioned you have had migraine or severe headaches associated with vomitting or dizziness. How old were you when you first had this?
Responses
0 23
1 6
2 4
3 4
4 16
5 27
6 28
7 58
8 52
9 43
10 69
11 59
12 77
13 136
14 127
15 126
16 151
17 93
18 137
19 79
20 106
21 69
22 92
23 52
24 68
25 109
26 71
27 86
28 83
29 67
30 11
98 Dont know 0
99 Not answered 9
Sysmiss 9123
DisclaimerPlease note that these frequencies are not weighted.
Location1970 British Cohort Study: Twenty-Nine-Year Follow-up, 1999-2000
Interviewer InstructionsENTER AGE. IF BORN WITH CONDITION CODE 0.
UniverseLocation of units of observation: National;Population: The original BCS70 sample included all children born in one week in 1970 in the United Kingdom, but waves beyond the initial birth survey have generally only included Great Britain.
SamplingNo sampling (total universe)
Study TypeLongitudinal/panel/cohort
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We are supported by the University of Essex, University of Manchester, Jisc, UCL and University of Edinburgh. We are funded by UKRI through the Economic and Social Research Council.