Table 4.

Comparison of program reach estimates for MDA and fMDA rounds 2 and 4 from survey, capture–recapture, and satellite enumeration

Category	MDA round 2	MDA round 4	fMDA round 2	fMDA round 4
	Prop (95% CI)	Prop (95% CI)	Prop (95% CI)	Prop (95% CI)
Household surveys, n	755	896	725	851
Any visit by a CHW for MDA	0.89 (0.84–0.93)	0.90 (0.84–0.95)	0.63 (0.54–0.72)	0.74 (0.61–0.88)
Of HH visited, reporting two HH visits	0.76 (0.66–0.84)	0.45 (0.27–0.63)	0.75 (0.67–0.83)	0.55 (0.41–0.69)
Program reach*	0.72 (0.62–0.80)	0.83 (0.76–0.91)	0.54 (0.45–0.63)	0.66 (0.53–0.79)
Capture–recapture, n	23,197	23,197	23,413	23,413
Program reach	0.63 (0.45–0.81)	0.66 (0.47–0.85)	0.62 (0.44–0.81)	0.69 (0.48–0.89)
Satellite enumeration, n	24,574	24,574	24,960	24,960
Program reach by a CHW at any time during trial	0.65 (0.58–0.71)		0.68 (0.62–0.74)

CHW = community health worker; fMDA = focal MDA; MDA = mass drug administration.

^*Coverage data were not collected for rounds 1 + 3.