R - Derived Variables

The main survey was conducted by a nurse

Derived Variables
SMOK42_1(Derived): Smoking at 42 codes 0 to 2
SMOK42_2(Derived): Smoking at 42 codes 0 to 6
SC42_1(Derived): Social Class at 42
SC0_1(Derived): Social Class at birth
REG0_58(Derived): Region at birth (based on pre-1974 regions)
REG46_58(Derived): Region at age 46 (based on pre-1974 regions)
Respondent:
Cohort Member
Keywords:

Valid:
9368
Missing:
9
Minimum:
0.0
Maximum:
11.0
Derivation:
Y

Tabulation:
ValueLabelFreq. % 
0Northwestern999 10.7 
1Northern607 6.5 
2East & West Ridings720 7.7 
3East Midland772 8.2 
4Eastern956 10.2 
5Southeastern793 8.5 
6Southern800 8.5 
7Southwestern799 8.5 
8Wales492 5.3 
9West Midlands845 9.0 
10Scotland852 9.1 
11Greater London733 7.8 
REG46_04(Derived): Region at age 46 (based on post-1974 regions)
BRESPS0(Derived): Final outcome code
BRESPS1(Derived): Summary of cohort, issued sample and response to biomed
BRESPS2(Derived): NCDS biomedical response - all cohort