Table 2.

Variables retained in the prediction models for relative change in total body fat (%) based on stepwise selection

Variable	Coefficient	SE	z	P
Combined
Body fat (%)	0.049	0.0048	10.23	<0.001
Gut microbiota richness	0.01	0.005	1.9	0.05
Clostridium sensu stricto 1	− 0.007	0.0045	− 1.58	0.1
Parabacteroides	− 0.008	0.0046	− 1.8	0.07
FPG (mmol/L)	− 0.01	0.004	− 2.54	0.01
Ruminococcaceae UCG-003	− 0.01	0.0047	− 2.63	0.009
MUFA intake (en%)	0.01	0.0044	2.29	0.02
Host clinical characteristics
Gender	− 0.024	0.017	− 1.443	0.15
Waist circumference (cm)	− 0.522	0.19	− 2.73	0.007
BMI (kg/m2)	− 0.01	0.004	− 2.37	0.02
Body fat (%)	0.012	0.002	5	<0.001
FPG (mmol/L)	− 0.017	0.007	− 2.26	0.02
Gut microbiota
Ruminococcaceae UCG-003	− 0.013	0.005	− 2.35	0.02
Lactococcus	− 0.01	0.006	− 1.88	0.06
Parabacteroides	− 0.013	0.005	− 2.46	0.01
Peptostreptococcaceae_unclassified	− 0.021	0.006	− 3.76	<0.001
Erysipelotrichaceae UCG-003	0.014	0.006	2.56	0.04
Diet
Total fat intake (en%)	− 11.1	6.12	− 1.82	0.07
Total CHO intake (en%)	0.936	0.425	2.21	0.03
Sugars intake (en%)	− 1.02	0.66	− 1.54	0.1
Fibre intake (en%)	− 3.08	2.2	− 1.4	0.16
SFA intake (en%)	11.06	7.57	1.46	0.14
MUFA intake (en%)	14.2	6.43	2.21	0.03
PUFA intake (en%)	14	8.41	1.67	0.1

BMI body mass index, FPG fasting plasma glucose, CHO carbohydrate, SFA saturated fat, MUFA monounsaturated fat, PUFA polyunsaturated fat