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Variable

UK Data Service variable record for:

Cambridge Prenatal Screening Study : Main Study, 1990-1991

Variable Details

Variableobpers2
Label2ND COMMENT ON OPERATOR
Responses
0 1515
1 POSITIVE 4
2 NEGATIVE 12
3 NEUTRAL 6
Sysmiss 287
DisclaimerPlease note that these frequencies are not weighted.
LocationCambridge Prenatal Screening Study : Main Study, 1990-1991
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