# Table 3 Multiple mixed linear regression analyses, explaining Flanker task results in boys (n = 664)

 Flanker task: Accuracy (congruent stimuli) Mixed multiple linear regression All boys (n = 664) After exclusion of boys who did not perform higher than chance (n = 612) Explanatory variables Estimate S.E. p-value Estimate S.E. p-value Age 0.28 0.04 0.000 0.28 0.05 0.000 BMI −0.08 0.04 0.054 −0.06 0.05 0.267 Socioeconomic status 0.00 0.04 0.994 0.01 0.06 0.808 Stunting (0 = not stunted, 1 = stunted)* −0.02 0.04 0.649 −0.05 0.04 0.304 Food insecurity −0.04 0.04 0.395 0.05 0.05 0.342 STH infection (0 = not infected, 1 = infected)* 0.01 0.02 0.497 0.02 0.03 0.643 Grip strength 0.12 0.04 0.005 0.08 0.04 0.033 Cardiorespiratory fitness 0.04 0.03 0.277 0.04 0.04 0.242 Flanker task: Accuracy (incongruent stimuli) Mixed multiple linear regression All boys (n = 664) After exclusion of boys who did not perform higher than chance (n = 612) Age 0.20 0.06 0.001 0.29 0.05 0.000 BMI −0.08 0.04 0.048 −0.04 0.05 0.338 Socioeconomic status 0.07 0.05 0.105 0.06 0.06 0.315 Stunting (0 = not stunted, 1 = stunted)* 0.01 0.04 0.875 −0.03 0.04 0.496 Food insecurity −0.03 0.05 0.582 −0.02 0.06 0.705 STH infection (0 = not infected, 1 = infected)* 0.05 0.03 0.117 0.05 0.04 0.197 Grip strength 0.17 0.04 0.000 0.12 0.04 0.001 Cardiorespiratory fitness 0.05 0.05 0.302 0.04 0.05 0.350 Flanker task: Reaction time (congruent stimuli) Mixed multiple linear regression All boys (n = 664) After exclusion of boys who did not perform higher than chance (n = 612) Accuracy (congruent stimuli) −0.06 0.03 0.101 −0.04 0.04 0.038 Age −0.47 0.04 0.000 −0.48 0.04 0.000 BMI 0.03 0.03 0.215 0.05 0.04 0.141 Socioeconomic status −0.08 0.05 0.130 −0.11 0.05 0.035 Stunting (0 = not stunted, 1 = stunted)* 0.03 0.03 0.288 0.06 0.03 0.063 Food insecurity 0.02 0.05 0.641 0.03 0.06 0.631 STH infection (0 = not infected, 1 = infected)* 0.00 0.03 0.934 −0.01 0.03 0.766 Grip strength −0.14 0.04 0.000 −0.14 0.03 0.000 Cardiorespiratory fitness −0.05 0.04 0.210 −0.04 0.04 0.243 Flanker task: Reaction time (incongruent stimuli) Mixed multiple linear regression All boys (n = 664) After exclusion of boys who did not perform higher than chance (n = 612) Accuracy (congruent stimuli) 0.00 0.04 0.989 −0.06 0.04 0.210 Age −0.39 0.05 0.000 −0.42 0.04 0.000 BMI 0.04 0.04 0.277 0.03 0.04 0.447 Socioeconomic status −0.05 0.05 0.344 −0.06 0.05 0.212 Stunting (0 = not stunted, 1 = stunted)* 0.06 0.03 0.042 0.07 0.03 0.007 Food insecurity 0.00 0.06 0.954 0.02 0.07 0.810 STH infection (0 = not infected, 1 = infected)* 0.01 0.03 0.872 −0.01 0.04 0.871 Grip strength −0.14 0.04 0.001 −0.15 0.04 0.000 Cardiorespiratory fitness −0.07 0.04 0.088 −0.08 0.04 0.022
1. Notes. School class was used as a random intercept across all analyses. * Being “not stunted” and being “not infected” are used as reference. STH Soil-transmitted helminths. Statistically significant associations are highlighted with bold font