Investigating Body Mass Index and Body Composition in Patients with Schizophrenia: A Case-Control Study

Table 4

Multiple regression analysis for the detailed body composition.

Variable	β-Coefficient	value
Body fat
Gender	-10.16	<0.001
Regular exercise	-2.2	0.018
BMI	1.32	<0.001
Muscle mass
Gender	11.16	<0.001
Regular exercise	2.47	0.004
Schizophrenia	-3.39	<0.001
BMI	0.73	<0.001
Muscle quality
Age	-0.18	0.031
Regular exercise	5.43	0.003
BMI	0.29	0.034
Physique rating
Regular exercise	0.92	0.029
BMI	-0.13	<0.001
Bone mass
Gender	0.49	<0.001
Regular exercise	0.10	0.038
Schizophrenia	-0.2	<0.001
BMI	0.04	<0.001
Visceral fat
Age	0.11	<0.001
Gender	2.73	<0.001
Regular exercise	-0.71	0.027
Weight	0.07	<0.001
BMI	0.52	<0.001
Basal metabolic rate
Gender	250.97	<0.001
Schizophrenia	-26.14	<0.001
BMI	25.63	<0.001
Metabolic age
Age	0.68	<0.001
Gender	-6.01	<0.001
Schizophrenia	1.83	0.011
BMI	1.05	<0.001
Total body water
Gender	4.29	<0.001
BMI	-0.69	<0.001
Schizophrenia	1.47	0.005