A review of the quantitative effectiveness evidence synthesis methods used in public health intervention guidelines

Table 7 Results of network meta-regression including IPD and summary aggregate data

Parameter	Intervention		OR (95% CrI)
Intervention effects		Ed	0.95 (0.10, 5.09)
(compared to UC)		Ed+Eq	1.46 (0.16, 10.61)
		Ed+Eq+HSI	2.30 (0.47, 11.88)
		Ed+Eq+In	1.05 (0.12, 6.68)
		Eq	49.84 (0.14, 1.84 ×10⁶)
Regression coefficients for	Within study interactions	Ed	0.98 (0.44, 2.02)
covariate-intervention		Ed+Eq	1.66 (0.64, 20.68)
interactions (compared to		Ed+Eq+HSI	1.16 (0.39, 4.92)
UC)		Ed+Eq+In	1.04 (0.65, 1.67)
		Eq	1.15 (0.15, 15.38)
	Between study interactions	Ed	2.22 (0.13, 158.00)
		Ed+Eq	2.42 (0.04, 278.40)
		Ed+Eq+HSI	2.34 (0.07, 180.50)
		Ed+Eq+In	2.31 (0.04, 396.3)
		Eq	2.40 (0.04, 310.90)
Heterogeneity estimates		Between study variance	0.64 (0.05, 3.07)
		Within study interaction variance	0.33 (0.00, 3.76)
		Between study interaction variance	0.80 (0.00, 3.76)

Notation CrI: Credible interval, UC: Usual care, Ed: Education, Ed+Eq: Education and equipment, Ed+Eq+HSI: Education, equipment, and home safety inspection, Ed+Eq+In: Education, equipment and installation, Eq: Equipment

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