Table 3 –

Metabolites associated with underweight status

Metabolite	Not Underweight Mean, mM	Underweight Mean, mM	p-value	adjusted p-value
cystathionine	0.048	0.091	1.33E-05	0.001
hydroxyphenylpropionate	0.17	0.26	0.001	0.076
lauric_acid	7.0	13.8	0.003	0.119
b-hydroxybutyrate	259	491	0.004	0.119
arginine	54.3	46.4	0.009	0.154
tryptophan	47.3	40.4	0.009	0.154
inosine	2.8	4.2	0.013	0.169
creatine	70.5	85.3	0.013	0.169
creatinine	23.7	21.2	0.016	0.169
tyrosine	67.1	61.9	0.018	0.169
hippurate	3.9	4.3	0.019	0.169
arachidic_acid	27.0	31.5	0.019	0.169

^aUnderweight= WAZ < −2.0, Not Underweight = WAZ ³ −2.0

^bIncludes 358 participants with available data