This data item is / was included in the following data sets / collections between the dates shown:
|
Data Set / Collection |
Valid From |
Valid To |
|
NCCHD |
|
|
This is the history of the cigarette smoking habit of the mother.
Values are:-
|
0 |
Non-smoker |
|
1 |
Gave up in pregnancy |
|
2 |
0-9 a day |
|
3 |
10 or more a day |
|
9 |
Not known |