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Variable

UK Data Service variable record for:

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

Variable Details

Variablepregkw
Label(P1) Weeks not been using birth control
Responses
0 89
1 137
2 188
3 140
4 92
5 9
6 69
7 5
8 12
9 1
12 3
13 1
20 1
998 =Dont know 0
999 =Not answered 15
Sysmiss 10499
DisclaimerPlease note that these frequencies are not weighted.
Location1970 British Cohort Study: Twenty-Nine-Year Follow-up, 1999-2000
Interviewer InstructionsENTER NUMBER OF WEEKS. IF LESS THAN ONE WEEK, ENTER 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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