Variable

UK Data Service variable record for:

Cambridge Prenatal Screening Study : Main Study, 1990-1991

Variable Details

Variableknow4
Labelknow4
Responses
-2 1
-1 18
0 845
1 813
Sysmiss 147
DisclaimerPlease note that these frequencies are not weighted.
LocationCambridge Prenatal Screening Study : Main Study, 1990-1991