. 2018 Apr 25;9:156. doi: 10.3389/fpsyt.2018.00156

Table 4.

Multiple regression analysis between Brief Assessment of Cognition in Schizophrenia (BACS) scores and handgrip strength/body mass index.

	Verbal memory		Working memory		Motor speed		Verbal fluency		Attention		Executive function		Composite
	β	p	β	p	β	p	β	p	β	p	β	p	β	p
<Patients with schizophrenia>	R² = 0.19		R² = 0.19		R² = 0.23		R² = 0.15		R² = 0.32		R² = 0.09		R² = 0.35
Handgrip strength/body mass index (m²)	0.26	0.01	0.35	9.7.E-04	0.47	1.2E-05	0.40	2.3.E-04	0.56	2.9E-08	0.15	0.17	0.51	1.8E-07
Age (years)	−0.26	1.7.E-03	−0.14	0.08	0.06	0.47	0.01	0.91	−0.14	0.06	−0.07	0.39	−0.13	0.08
Sex	0.19	0.07	0.06	0.53	0.38	2.0.E-04	0.21	0.05	0.37	9.4E-05	−0.11	0.29	0.26	4.6.E-03
Education (years)	0.22	0.01	0.17	0.04	0.07	0.36	0.10	0.21	0.12	0.12	0.04	0.65	0.17	0.02
CPeq total antipsychotics (mg/day)	−0.10	0.24	−0.08	0.33	−0.17	0.04	0.01	0.91	−0.13	0.10	−0.10	0.27	−0.13	0.09
Any psychotropic medication use (%)	−0.10	0.25	−0.10	0.25	−0.09	0.30	−0.18	0.04	−0.07	0.37	−0.15	0.10	−0.16	0.04
<Healthy controls>	R² = 0.19		R² = 0.09		R² = 0.02		R² = 0.08		R² = 0.25		R² = 0.06		R² = 0.22
Handgrip strength / body mass index (m²)	0.10	0.15	0.14	0.04	0.10	0.19	0.13	0.08	0.17	0.01	0.12	0.10	0.20	2.6.E-03
Age (years)	−0.37	5.7.E-12	−0.20	3.7.E-04	0.00	0.98	0.00	0.93	−0.37	9.9.E-13	−0.09	0.12	−0.28	1.3.E-07
Sex	0.25	2.3.E-04	0.07	0.35	0.10	0.19	0.24	1.1.E-03	0.27	4.5.E-05	0.02	0.78	0.25	1.7.E-04
Education (years)	0.08	0.12	0.16	4.8.E-03	0.15	0.01	0.25	1.2.E-05	0.18	3.1.E-04	0.18	1.6.E-03	0.27	3.7.E-07

CPeq, chlorpromazine-equivalent dose. Significant p-values (p < 0.0071; corrected for multiple testing) are shown in bold exponents. Sex was coded as male: 1 and female: 2.