FPKNOFJMN (MV315_15) indicates whether the man knows about foam or jelly as a method for family planning. Some samples differentiate between spontaneous and probed affirmative responses; see Comparability. In probing questions, foam or jelly is often described by the following text:
Women can place a suppository, jelly, or cream in their vagina before intercourse.
The related variable FPKNODIAFJMN indicates whether the man knows about the diaphragm, foam, or jelly as family planning methods. To maximize comparability, users of FPKNODIAFJMN may wish to combine responses to FPKNOFJMN and FPKNODIAMN (MV315_10).