Table 1. The estimated parameters for boys from the GAM.

		Estimating Wt +2−Wt			Estimating Ht +2−Ht			Estimating Dt +2
Variable	Description	Est.	S.E.	p	Est.	S.E.	p	Est.	S.E.	p
	Intercept	−0.230	0.018	0.000	−0.907	0.025	0.000	−0.751	0.081	0.000
Wt	WAZ	−0.095	0.007	0.000	0.124	0.009	0.000	−0.184	0.039	0.000
	WAZ age	0.014	0.006	0.026	−0.068	0.009	0.000	−0.056	0.036	0.115
	WAZ increment	−0.256	0.011	0.000	−0.000	0.016	0.981	0.183	0.066	0.006
	WAZ incr. age	−0.090	0.010	0.000	0.021	0.013	0.116	0.084	0.055	0.122
Ht	HAZ	0.038	0.006	0.000	−0.177	0.008	0.000	−0.007	0.033	0.835
	HAZ age	0.006	0.005	0.280	0.092	0.007	0.000	0.068	0.030	0.024
	HAZ increment	−0.020	0.009	0.030	−0.205	0.013	0.000	0.063	0.053	0.236
	HAZ incr. age	−0.007	0.008	0.375	−0.022	0.011	0.036	−0.041	0.042	0.337
Dt	Diarrhea	0.003	0.003	0.387	−0.003	0.004	0.429	0.102	0.014	0.000
	Diarrhea age	0.014	0.003	0.000	0.007	0.004	0.091	−0.021	0.013	0.100

For each variable, we give the estimated coefficient (Est.), the standard error (S.E.) and the p-value.