Instrument Variable Name: BCTP
Question Text:

2 of 2
*Enter time period for time using birth control.

1 Weeks
2 Months
3 Years
7 Refused
9 Don't know

Universe Text: Female sample adults 18+ who have entered a number for time using birth control
Skip Instructions:

(1-3,R,D) if LIVEBTH=1 store '1' in BIRTHEV [goto BIRTHNUM]; else [goto BIRTHEV]
if [BCNO = Number greater than person years old and BCTP= 3]] goto
ERR1_BCTP