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Variable

UK Data Service variable record for:

1970 British Cohort Study: Birth and 22-Month Subsample, 1970-1972

Variable Details

Variablea0052
LabelDelivery year of first pregnancy
Responses
-2 Not Known 15
-1 Not Applicable 5820
40 2
43 2
44 4
45 6
46 8
47 15
48 21
49 43
50 50
51 51
52 86
53 98
54 142
55 128
56 191
57 196
58 267
59 316
60 369
61 453
62 545
63 636
64 808
65 1017
66 1284
67 1944
68 1946
69 733
DisclaimerPlease note that these frequencies are not weighted.
Location1970 British Cohort Study: Birth and 22-Month Subsample, 1970-1972
UniverseLocation of units of observation: National;Population: Children born in one particular week in 1970. The Birth sample covered the United Kingdom while the 22-month Sub-sample covered Great Britain only.
SamplingNo sampling (total universe); One-stage stratified or systematic random sample;The Birth sample (A) included all babies born (alive or dead) after the 24th week of gestation, in one particular week in 1970 in the United Kingdom.<br>The 22-month sub-sample (B) is a 10% sample of the live births in (A) plus all multiple births, all singleton children born at later than 42 weeks gestation, and all singleton children who were on or below the 5th centile of birthweight for their length of gestation.
Study TypeLongitudinal/panel/cohort
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