Table 2.

The estimated P-values for the microbial mediation effect (at genus rank), the mediation effect estimates and the proportion of the total causal effect on the body weight gain at days 21 and 28 for female and male respectively

	P-value of		Mediation effect
Day	OME	CME	Estimate	Proportiona
Female
21	0.154	0.438	0.102	3.0%
28	0.048	0.040	0.634	18.8%
Male
21	0.018	0.002	0.069	3.8%
28	0.004	0.004	0.622	32.2%

^aProportion= ME estimate/TE estimate $\times 100\%$.