Table 8.

Between-household variance in odds of Plasmodium infection at each stage of model adjustment.

Model	ICC	[95% CI]	p-value	proportional change in variance*	MOR**
Adolescents and adults
Null (empty)	0.19	[0.05–0.51]	0.046	0	1.92
1: Individual	0.24	[0.08–0.54]	0.024	0.13	2.28
2: Individual + household	0.04	[0.00–0.96]	0.37	−0.86	1.12
2a: Individual + household + village	0.02	[0.00–0.99]	0.45	−0.94	1.05
Children
Null (empty)	0.38	[0.14–0.70]	0.011	0	4.03
1: Individual	0.36	[0.11–0.71]	0.023	−0.25	3.68
2: Individual + household	0.22	[0.03–0.73]	0.12	−0.71	2.26
2a: Individual + household + village	0.22	[0.03–0.73]	0.12	−0.71	2.26

*Correction applied to variance of household random effect in adjusted models to scale to variance of null model.

**Median odds ratio.