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)
REG46_04(Derived): Region at age 46 (based on post-1974 regions)
Respondent:
Cohort Member
Keywords:

Valid:
9368
Missing:
9
Minimum:
1.0
Maximum:
13.0
Derivation:
Y

Tabulation:
ValueLabelFreq. % 
1North565 6.0 
2Yorks & Humber820 8.8 
3East Midlands731 7.8 
4East Anglia418 4.5 
5South East2008 21.4 
6South West892 9.5 
7West Midlands845 9.0 
8North West968 10.3 
9Scotland852 9.1 
10Wales492 5.3 
11Greater London733 7.8 
12Channel Islands30 0.3 
13Isle of Man14 0.1 
BRESPS0(Derived): Final outcome code
BRESPS1(Derived): Summary of cohort, issued sample and response to biomed
BRESPS2(Derived): NCDS biomedical response - all cohort