Birth (All variables related to birth of volunteer) 8
Name
Label
Description
Unit
DataType
None
Phase 1: Where were you born? 2 letter code list must have been provided to participant, list not known at time of creating Data dictionary
Categorical
P1 Date of birth
Phase 1: Date of birth. Data which has been released prior to Dec 2013 has been released under var name dob.
Date
P2 Date of birth
Phase 2: Date of birth./ Data which has been released prior to Dec 2013 has been released under var name dob.
Date
Sure of birth weight
Phase 1: How sure are you about your birth weight? 1 = Very sure; 2 = sure; 3 = fairly sure; 4 = not very sure; 5 = very uncertain;
Integer
birth weight
Phase 1: What was your weight at birth? (units not stipulated on form but likely to be ounces). 998 = no idea
Real