Table 3.

Stepwise regression results for each nutrient model.

	Carbohydrate	Fibre	Protein	Free Sugar	Saturated Fat
(Intercept)	12.20	0.08	0.04	−0.79	1.10 *
	[−2.04, 26.44]	[−0.09, 0.25]	[−0.80, 0.88]	[−2.22, 0.63]	[0.26, 1.94]
BMI	−0.52
GOS	[−1.17, 0.13]
Bifidobacterium	−2.70 **	0.07	0.86 *	−0.47
	[−4.69, −0.71]	[−0.10, 0.23]	[0.06, 1.65]	[−1.78, 0.84]
Barnesiella	−1.60
	[−3.27, 0.08]
Desulfovibrio	3.26 *
	[0.02, 6.49]
Peptoniphilus				0.82	−0.66
				[−0.51, 2.14]	[−1.50, 0.19]
Sporobacter				1.34
				[−0.23, 2.92]
Placebo
Bifidobacterium	−0.43	−0.25 ***	−0.68 *	0.92 *
	[−1.74, 0.89]	[−0.36, −0.14]	[−1.22, −0.15]	[0.05, 1.79]
Barnesiella	−0.20
	[−1.97, 1.57]
Desulfovibrio	1.35
	[−0.33, 3.04]
Peptoniphilus				1.04 *	−0.93 **
				[0.04, 2.04]	[−1.54, −0.32]
Sporobacter				1.60
				[−0.53, 3.72]
N	44	44	44	44	44
R 2	0.34	0.34	0.22	0.31	0.23

Beta coefficients are reported with 95% confidence intervals in brackets. Significant effects are denoted: *** p < 0.001; ** p < 0.01; * p < 0.05. Sample size is given by N, and variance explained by contributing predictors on nutrient outcomes is given by R².