Table 6. Regression coefficients (B), 95% confidence intervals (95% CI) and corresponding P values of variable found to be significant predictors of physical fitness, VO₂ max (mL/kg/min) in children in Kenya and Tanzania in a multivariable linear regression model ^*.

Variable	B (95%CI)	P-value
Gender a	2.80 (2.04–3.57)	<0.0005
Height (grouped) b	1.69 (0.93–2.45)	<0.0005
Animal protein at meals (grouped) c	1.42 (0.41–2.44)	0.006
Know where to wash hands after toilet visit d	1.04 (0.26–1.81)	0.009

* n = 442, R² = 0.17, overall P-value <0.0005

^a Coded as: Female = 0; Male = 1

^b Coded as: <135cm = 0; ≥135cm = 1

^c Coded as: Had no meals with animal protein = 0; Had at least one meal with animal protein = 1

^d Coded as: Did not know = 0; Knew = 1