Table 2. Individual level association between growth from first to third vaccination and pneumonia admission, in children with a weight for age z-score less than the median at first vaccination.

	Univariate analysis		Multivariate analysis
	Hazard Ratio	95% CI	Hazard Ratio	95% CI
Growth between first and third vaccination (lowest quartile/other quartiles)	1.32	1.03 to 1.69	1.31	1.02 to 1.68
Number of children in the household (per extra child)	1.12	1.08 to 1.16	1.13	1.08 to 1.18
Vaccination status (PCV/placebo)	0.92	0.80 to 1.07	0.92	0.75 to 1.13