Codes and Frequencies
For female persons of childbearing age, SMOKEVPS reports whether the person has ever smoked 100 cigarettes in her entire lifetime. Please see Comparability and Universe tabs for complete information on universe changes between samples. Use IPUMS NHIS search function and drop down menus for related variables.
In 1985 and 1990, this question was asked of female persons aged 18 to 44 who were pregnant at the time of the survey or gave live birth in the last five years. In 1991 and 1998, this question was asked of female persons aged 18 to 49 who gave live birth in the last five years. There are no other comparability issues with this variable.
- 1985; 1990: Female persons ages 18-44 who are pregnant now or have given live birth in the past five years.
- 1991; 1998: Female persons ages 18-49 who have given live birth in the past five years.
- 1985, 1990-1991, 1998
- 1985, 1990-1991, 1998 : PERWEIGHT