Table 1.

Smoking status during pregnancy by birth certificate and PRAMS questionnaire, 2004

^aKappa = 0.70 (0.69, 0.71)

^bThe percentages were weighted to adjust for survey design, noncoverage, and nonresponse.

^cThe total sample included 39,345 women, of which 7,116 reported smoking during pregnancy on at least one data source (i.e., birth certificate or PRAMS questionnaire).

PRAMS = Pregnancy Risk Assessment Monitoring System