All Waves

Column

Female, 2017-2019

Variable: SEX1AGE
Description/Question: Age at first intercourse since menarche (RECODE)
Type: recode

Universe: Applicable if R has ever had sexual intercourse with a male since menarche (SEXEVER = 1)
Notes: This variable has been modified for public use, and the original variable is accessible by application to the NCHS Research Data Center. See Appendix 7 of the User’s Guide for further information.

Female, 2015-2017

Variable: SEX1AGE
Description/Question Age at first intercourse since menarche (RECODE)
Type: recode

Universe: Applicable if R has ever had sexual intercourse with a male since menarche (SEXEVER = 1)
Notes:

Female, 2013-2015

Variable: SEX1AGE
Description/Question Age at first intercourse since menarche (RECODE)
Type: recode

Universe: Applicable if R has ever had sexual intercourse with a male since menarche (SEXEVER = 1)
Notes:

Female, 2011-2013

Variable: SEX1AGE
Description/Question Age at first intercourse since menarche (RECODE)
Type: recode

Universe: Applicable if R has ever had sexual intercourse with a male since menarche (SEXEVER = 1)
Notes:

Female, 2006-2010

Variable: SEX1AGE
Description/Question Age at first intercourse since menarche (RECODE)
Type: Recode

Universe: Applicable if R has ever had sexual intercourse with a male since menarche (SEXEVER = 1)
Notes:

Female, 2002

Variable: SEX1AGE
Description/Question Age at first intercourse since menarche
Type: Recode

Universe: Applicable if R has ever had sexual intercourse with a male since menarche (SEXEVER = 1)
Notes:

Column

Male, 2017-2019

Variable: Variable does not exist in this survey/wave
Description/Question
Type:

Universe:
Notes:

Male, 2015-2017

Variable: Variable does not exist in this survey/wave
Description/Question
Type:

Universe:
Notes:

Male, 2013-2015

Variable: Variable does not exist in this survey/wave
Description/Question
Type:

Universe:
Notes:

Male, 2011-2013

Variable: Variable does not exist in this survey/wave
Description/Question
Type:

Universe:
Notes:

Male, 2006-2010

Variable: Variable does not exist in this survey/wave
Description/Question
Type:

Universe:
Notes:

Male, 2002

Variable: Variable does not exist in this survey/wave
Description/Question
Type:

Universe:
Notes:

2017-2019 only

Column

Female, 2017-2019

Variable: SEX1AGE
Description/Question: Age at first intercourse since menarche (RECODE)
Type: recode

Universe: Applicable if R has ever had sexual intercourse with a male since menarche (SEXEVER = 1)
Notes: This variable has been modified for public use, and the original variable is accessible by application to the NCHS Research Data Center. See Appendix 7 of the User’s Guide for further information.

Column

Male, 2017-2019

Variable: Variable does not exist in this survey/wave
Description/Question
Type:

Universe:
Notes:

2015-2017 only

Column

Female, 2015-2017

Variable: SEX1AGE
Description/Question Age at first intercourse since menarche (RECODE)
Type: recode

Universe: Applicable if R has ever had sexual intercourse with a male since menarche (SEXEVER = 1)
Notes:

Column

Male, 2015-2017

Variable: Variable does not exist in this survey/wave
Description/Question
Type:

Universe:
Notes:

2013-2015 only

Column

Female, 2013-2015

Variable: SEX1AGE
Description/Question Age at first intercourse since menarche (RECODE)
Type: recode

Universe: Applicable if R has ever had sexual intercourse with a male since menarche (SEXEVER = 1)
Notes:

Column

Male, 2013-2015

Variable: Variable does not exist in this survey/wave
Description/Question
Type:

Universe:
Notes:

2011-2013 only

Column

Female, 2011-2013

Variable: SEX1AGE
Description/Question Age at first intercourse since menarche (RECODE)
Type: recode

Universe: Applicable if R has ever had sexual intercourse with a male since menarche (SEXEVER = 1)
Notes:

Column

Male, 2011-2013

Variable: Variable does not exist in this survey/wave
Description/Question
Type:

Universe:
Notes:

2006-2010 only

Column

Female, 2006-2010

Variable: SEX1AGE
Description/Question Age at first intercourse since menarche (RECODE)
Type: Recode

Universe: Applicable if R has ever had sexual intercourse with a male since menarche (SEXEVER = 1)
Notes:

Column

Male, 2006-2010

Variable: Variable does not exist in this survey/wave
Description/Question
Type:

Universe:
Notes:

2002 only

Column

Female, 2002

Variable: SEX1AGE
Description/Question Age at first intercourse since menarche
Type: Recode

Universe: Applicable if R has ever had sexual intercourse with a male since menarche (SEXEVER = 1)
Notes:

Column

Male, 2002

Variable: Variable does not exist in this survey/wave
Description/Question
Type:

Universe:
Notes: