Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
FPKNOFJ (V304_15) indicates whether the woman knew about spermicide, such as foam or jelly, as a method for family planning. The complementary variable FPEVUSFJ indicates whether the woman had ever used a spermicide to delay or avoid a pregnancy.
Some samples differentiate between spontaneous and probed affirmative responses; see Comparability.