From raw data to a score: comparing quantitative methods that construct multi-level composite implementation strength scores of family planning programs in Malawi

Table 2 Median and interquartile range of implementation strength scores for each HW type across four methods to combine data across indicators

	Simple additive		Weighted additive		PCA		EFA
	Median	IQR	Median	IQR	Median	IQR	Median	IQR
Health facility (IC)	0.52	0.38–0.68	0.52	0.38–0.67	0.56	0.41–0.68	0.58	0.42–0.70
HFW	0.45	0.27–0.55	0.40	0.27–0.53	0.50	0.36–0.65	0.40	0.25–0.52
HSA	0.45	0.36–0.63	0.47	0.30–0.63	0.46	0.32–0.58	0.49	0.35–0.66
CBDA	0.64	0.45–0.73	0.60	0.43–0.73	0.61	0.47–0.73	0.64	0.49–0.76

ISSN: 1478-7954