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The DHS Program, which manages registration and access for IPUMS DHS, is again reviewing new user applications and requests for expanded access from currently approved users.
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