Table 3.

Regression coefficients, 95% CIs and p values in the association between 1 SD increase in annual precipitation total and height-for-age z- scores from causal mediation models

Mediation variable	Effect type	β	95% CI	p value
Groundnuts	Direct	0.06	0.02 to 0.10	0.004
	Mediation	0.009	0.003 to 0.02	0.004
	Total	0.07	0.03 to 0.11	<0.0001
	Prop. mediated (%)	13	5 to 35	0.004
Chickpea	Direct	0.07	0.03 to 0.11	<0.0001
	Mediation	0.0005	−0.004 to 0.01	0.85
	Total	0.07	0.03 to 0.11	<0.0001
	Prop. mediated (%)	0.5	0 to 10	0.85
Other pulses	Direct	0.058	0.02 to 0.10	0.004
	Mediation	0.01	0.004 to 0.02	0.002
	Total	0.07	0.03 to 0.11	<0.0001
	Prop. mediated (%)	15	5 to 41	0.002
Sesame seeds	Direct	0.04	0.001 to 0.08	0.04
	Mediation	0.03	0.02 to 0.04	<0.0001
	Total	0.07	0.03 to 0.11	<0.0001
	Prop. mediated (%)	38	22 to 95	<0.0001
Sweet potato	Direct	0.068	0.03 to 0.11	<0.0001
	Mediation	0.002	0.0001 to 0.004	0.04
	Total	0.07	0.03 to 0.11	<0.0001
	Prop. mediated (%)	2	0.9 to 8	0.04
Rice	Direct	0.06	0.02 to 0.10	0.006
	Mediation	0.01	0.003 to 0.02	0.018
	Total	0.07	0.03 to 0.11	<0.0001
	Prop. mediated (%)	16	4 to 49	0.02
Maize	Direct	0.076	0.03 to 0.12	<0.0001
	Mediation	−0.006	−0.01 to 0.001	0.15
	Total	0.07	0.03 to 0.11	<0.0001
	Prop. mediated (%)	8	3 to 26	0.15
Plantains (Matooke)	Direct	0.069	0.03 to 0.11	<0.0001
	Mediation	0.001	−0.001 to 0.01	0.37
	Total	0.07	0.03 to 0.11	<0.0001
	Prop. mediated (%)	1.3	0 to 6	0.37

All models adjusted for age and sex.