Table 3.

Association between BMI categories with function (BADL/IADL) and cognition in South Korean population

Model 1	ADL			IADL			MMSE < 24
	Estimation	Standard Error	p value	Estimation	Standard Error	p value	Estimation	Standard Error	p value
Intercept	0.77	0.67	0.253	−0.06	0.52	0.915	−6.10	0.48	<.001
Body Mass Index
Underweight	0.13	0.18	0.480	0.30	0.23	0.184	0.20	0.21	0.345
Overweight	0.09	0.14	0.545	−0.04	0.12	0.771	−0.12	0.10	0.253
Obese	−0.10	0.16	0.533	−0.04	0.14	0.779	−0.21	0.11	0.049
Gender
Female	0.00	0.14	0.987	−0.03	0.14	0.813	0.32	0.09	0.001
Education
< High school	−0.02	0.14	0.908	−0.16	0.15	0.295	−1.62	0.19	<.001
High school	0.09	0.20	0.644	−0.23	0.20	0.254	−2.42	0.21	<.001
> High school	−0.08	0.26	0.762	−0.24	0.23	0.292	−2.89	0.24	<.001
Comorbidities	0.00	0.05	0.940	−0.06	0.04	0.195	0.22	0.04	<.001
Age	0.01	0.01	0.407	0.02	0.01	0.004	0.09	0.01	<.001
Model 2
Intercept	0.72	0.67	0.279	0.15	0.57	0.796	−6.12	0.51	<.001
Body Mass Index
Underweight	0.13	0.16	0.420	0.29	0.23	0.209	0.14	0.21	0.524
Overweight	0.11	0.13	0.395	0.02	0.12	0.839	−0.09	0.10	0.372
Obese	−0.03	0.15	0.867	−0.08	0.14	0.536	−0.18	0.11	0.097
Gender
Female	−0.02	0.17	0.927	−0.50	0.18	0.004	0.42	0.13	0.002
Education
< High school	−0.03	0.14	0.810	−0.18	0.16	0.263	−1.58	0.19	<.001
High school	0.06	0.20	0.767	−0.37	0.22	0.091	−2.34	0.21	<.001
> High school	0.01	0.25	0.956	−0.41	0.24	0.090	−2.75	0.25	<.001
Comorbidities	−0.01	0.05	0.785	−0.03	0.04	0.509	0.21	0.04	<.001
Age	0.01	0.01	0.286	0.02	0.01	0.019	0.09	0.01	<.001
Smoke
Past-smoker	0.00	0.15	0.976	−0.09	0.14	0.529	0.28	0.14	0.045
Current-smoker	−2.03	0.45	<.001	0.03	0.17	0.856	0.17	0.18	0.328
Exercise
Yes	−0.16	0.14	0.267	0.06	0.11	0.606	−0.21	0.09	0.019
Marital status
Married or living with	−0.17	0.14	0.228	0.38	0.14	0.008	0.22	0.10	0.027
Weight status
Lost	0.24	0.12	0.040	0.14	0.12	0.269	0.42	0.11	<.001

BADL Basic activities of daily living. IADL Instrumental activities of daily living. MMSE Mini-mental state Examination