Table 2.

Multilevel linear model of the longitudinal relationship from 6 to 18 months between AF-alb and infant growth z scores

Item	Final model LAZ	Final model WAZ	Final model WLZ
Fixed effects	Coef. (95%CI)	Coef. (95%CI)	Coef. (95%CI)
Intercept	−0·12 (−0·56, 0·32)	−0·83 (−1·28, − 0·39)***	−0·77 (−1·22, − 0·32)***
Time point	−0·33 (− 0·39, − 0·26)***	−0·22 (− 0·28, − 0·16)***	−0·15 (− 0·23, − 0·07)***
lnAF-alb	−0·04 (− 0·08, − 0·01)*	−0·05 (− 0·09, − 0·02)**	−0·06 (− 0·10, − 0·02)**
Season
Wet	Reference	Reference	Reference
Dry	−0·07 (− 0·14, − 0·00)*	0.16 (0·09, 0·24)***	0·29 (0·20, 0·38)***
Supplementation group
LNS + MMN	Reference	Reference	Reference
LNS	−0·17 (− 0·37, 0·02)	−0·18 (− 0·38, 0·02)	−0·12 (− 0·32, 0·07)
Breastfeeding
Age (months) of introduction of non-breast milk foods	−0·01 (− 0·09, 0·07)	0·03 (− 0·05, 0·11)	0·04 (− 0·04, 0·11)
Mother’s household quality
Low	Reference	Reference	Reference
Med	0·35 (0·13, 0·58)**	0·37 (0·14, 0·60)**	0·27 (0·04, 0·50)*
High	0·23 (−0·03, 0·49)	0·36 (0·10, 0·62)**	0·31 (0·05, 0·57)*
Random effects	Var (95% CI)	Var (95% CI)	Var (95% CI)
Var (Intercept)	0·82 (0·63, 1·06)	0·91 (0·70, 1·18)	1·06 (0·78, 1·44)
Var (Time point)	0·04 (0·02, 0·08)	0·00 (0·00, 0·35)	0·02 (0·00, 0·18)
Cov (Intercept, timepoint)	-0·05 (−0·11, 0·02)	-0·03 (− 0·09, 0·04)	-0·09 (− 0·20, 0·01)
Residual	0·20 (0·17, 0·23)	0·22 (0·18, 0·25)	0·34 (0·29, 0·40)

Analysed using multilevel linear regression modelling with a random intercept and random slope. Final models fitted using maximum likelihood estimation. ***P < 0·001, **P < 0·01, *P < 0·05