Table 1.

Pre-specified outcomes assessed in WUHA

Outcome	Method	0–5 years	6–9 years	≥10 years
Presence of ocular chlamydia	PCR	X*	X	X
Ocular chlamydial load	PCR	X	X	X
Worsening of clinically active trachoma	Photography	X	X	X
Clinical signs of trachoma	Photography	X	X	X
Presence of chlamydia antibodies	DBS serology	X	X	X
Presence of soil-transmitted helminths in stool	Microscopy, PCR	X	X
Height, weight over time	Anthropometry	X
Presence of nasopharyngeal pneumococcus	Bacterial culture	X
Presence of pneumococcal antibiotic resistance	Disk diffusion	X
Presence of health clinic visit	Chart review	X	X	X

*Primary outcome.

DBS, dried blood spot; PCR, polymerase chain reaction.