Variable

UK Data Service variable record for:

Cambridge Prenatal Screening Study : Main Study, 1990-1991

Variable Details

Variableobpers1
Label1ST COMMENT ON OPERATOR
Responses
0 1209
1 POSITIVE 199
2 NEGATIVE 114
3 NEUTRAL 15
Sysmiss 287
DisclaimerPlease note that these frequencies are not weighted.
LocationCambridge Prenatal Screening Study : Main Study, 1990-1991