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Variable

UK Data Service variable record for:

1970 British Cohort Study: Thirty-Four-Year Follow-up, 2004-2005

Variable Details

Variableb7pcpeod
LabelWhether child, if female, has had her first menstrual period
Question text Which of these is true of [^Child's name]? Has had her first menstrual period. Has not yet had a menstrual period.
Responses
1 Has had her first menstrual period 250
2 Has not yet had a menstrual period 577
-9 Refusal 9
-8 Don't know 1
-7 Other missing 2
-1 Not applicable 4368
DisclaimerPlease note that these frequencies are not weighted.
Location1970 British Cohort Study: Thirty-Four-Year Follow-up, 2004-2005
Interviewer InstructionsSHOW CARD PC8. IF OTHERS IN ROOM, 'You can tell me which number applies'
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 (including rotational panel)
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