EU,,EU name
District_binary,,"0=Mchinji, 1=Chikwawa "
CLUSTER,,cluster ID
START_TIME,,time the examination began
END_TIME,,time the examination ended
EXAMINED,,"1=yes with consent; 2=no, absent, 3=no, refused, 4=no, other"
AGE,,age given in years
SEX,,"1=male, 2=female"
LEFT_EYE_TF,,"0=sign absent, 1=sign present, 2=not able to grade, NULL=not examined"
RIGHT_EYE_TF,,"0=sign absent, 1=sign present, 2=not able to grade, NULL=not examined"
LEFT_EYE_TI,,"0=sign absent, 1=sign present, 2=not able to grade, NULL=not examined"
RIGHT_EYE_TI,,"0=sign absent, 1=sign present, 2=not able to grade, NULL=not examined"
LEFT_EYE_TT,,"0=sign absent, 1=sign present, 2=not able to grade, NULL=not examined"
RIGHT_EYE_TT,,"0=sign absent, 1=sign present, 2=not able to grade, NULL=not examined"
W1_DRINK_SOURCE,,"11=surface water, 4=borehole, 6=unprotected dug well, 5=protected dug well, 3=public tap, 8=unprotected spring, 2=piped water into yard, 1=piped water into dwelling, 10=water vendor, 9=rainwater collection"
W2_GET_DRINK_WATER,,"3=30min to 1hr, 2=less than 30m, 4=more than 1 hr, 1=water source in yard"
W3_WASH_WATER,,"11=surface water, 4=borehole, 10=water vendor, 6=unprotected dug well, 8=unprotected spring, 5=protected dug well, 2=piped water into yard, 3=public tap, 1=piped water into dwelling, 9=rainwater collection, 7=protected spring"
W4_GET_WASH_WATER,,"3=30min to 1hr, 2=less than 30m, 4=more than 1 hr, 1=water source in yard, 0=face washing done at water source"
S1_DEFECATE,,"2=private laterine, 1=shared laterine, 3=no structure outside house, 4=no structure in bush, 9=other"
S2_SEE_LATRINE,,"8=pit latrine, 12=no facilitites, bush or field, 11=hanging toilet, 7=pit laterine with slab, 3=flush/pour into pit laterine, 10=bucket, 6=ventilated improved pit laterine, 99=other, 2=flush/pour to septic tank, 1=flush/pour to piped sewer system"
H1_DISTANCE,,"observation handwashing facility within 15 metres of laterine? 0=no, 5=not applicable, 1=yes"
H2_WATER,,"observation water available at handwashing facility? 0=no, 5=not applicable, 1=yes"
H3_SOAP,,"observation soap available at handwashing facility? 0=no, 5=not applicable, 1=yes"
INSTANCE_ID_HOUSE,,household identifier
INSTANCE_ID_RES,,participant identifier
BARCODE,,lab identifier
ELISA_A450,,ELISA absorbance value 
ELISA_binary,,"0=negative,  1=positive"
CT_PCR,,"0=negative, 1=positive, 3=invalid, 4=missing"