Definition
TETNUS4YR_NP reports the year (according to Vikram Samvat, the official calendar in Nepal) that the respondent received her fourth tetanus toxoid immunization. TETNUS4YR_NP is only available for the Nepali samples.
The complementary variables TETNUS4DAY_NP and TETNUS4MO_NP report the day of the month and the month of the respondent's fourth tetanus toxoid immunization, according to Vikram Samvat, as recorded on a vaccination card shown to the interviewer.