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CIGSBEFOREPS
Number of cigarettes smoked before learning of pregnancy (Pregnancy and Smoking Supplement)

Codes and Frequencies



An 'X' indicates the category is available for that sample

0000··
0011X·
0022XX
0033XX
0044XX
0055XX
0066XX
0077XX
0088XX
0099XX
01010XX
01111X·
01212XX
01313XX
01515XX
01616XX
01717X·
01818·X
02020XX
02525XX
03030XX
03535XX
04040XX
04545XX
05050·X
06060XX
09595+ per day··
096Did not smoke regularlyXX
09797+ per day·X
098Unknown - refused·X
099UnknownX·
999NIUXX