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NIGHTBLINDKNOW (NIGHTBLINDKNOW)
Heard of night-blindness or nyctalopia in children
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Codes and Frequencies



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Description

NIGHTBLINDKNOW indicates whether the female respondent has heard of nyctalopia or night-blindness in children. In this condition, children who can see normally during the day have difficulty seeing or moving after sunset.

Comparability

NIGHTBLINDKNOW has no comparability problems.

Comparability - Standard DHS

NIGHTBLINDKNOW is a country-specific variable, and it is not included in any phase of the standard DHS questionnaire.

Universe

  • Chad 1996: All women age 15-49.
  • Chad: 1996-W, 1996-C, 1996-B