Table 2.

Multiple linear regressions for 6 months FIM by age group*

	<65 years old		≥65 years old
Variables	β (95% CI)	p Value	β (95% CI)	p Value
Weight categories
Underweight	−3.81 (−8.93 to 1.31)	0.145	−2.53 (−7.74 to 2.67)	0.340
Normal	1.0		1.0
Overweight	−1.19 (−3.35 to 0.97)	0.280	1.17 (−1.67 to 4.02)	0.420
Obese	0.05 (−2.05 to 2.15)	0.962	0.76 (−2.07 to 3.61)	0.596
Extremely obese	1.66 (−1.87 to 5.20)	0.355	7.95 (1.41 to 14.4)	0.017
Gender, female vs male	0.27 (−1.86 to 2.41)	0.800	−1.00 (−3.92 to 1.91)	0.501
Education
College/university	1.0		1.0
Middle/high school	−1.61 (−3.39 to −0.16)	0.074	1.79 (−1.67 to 5.26)	0.310
Elementary	−0.38 (−3.12 to 2.35)	0.783	1.65 (−1.89 to 5.20)	0.360
Smoking, current	0.38 (−0.65 to 1.42)	0.467	0.64 (−1.10 to 2.38)	0.469
Drinking, current	1.37 (−0.42 to 3.17)	0.133	1.34 (−1.51 to 4.20)	0.356
Hypertension, yes	−0.20 (−2.19 to 1.78)	0.841	−0.03 (−3.65 to 3.58)	0.984
Diabetes mellitus, yes	−0.73 (−2.31 to 0.85)	0.364	−0.68 (−2.96 to 1.59)	0.556
Dyslipidaemia, yes	−0.42 (−2.04 to 1.19)	0.610	−0.33 (−2.80 to 2.14)	0.792
Chronic kidney disease	−3.35 (−7.03 to 0.33)	0.075	−3.48 (−6.37 to −0.62)	0.017
FIM, discharge	0.36 (0.31 to 0.41)	<0.001	0.53 (0.47 to 0.58)	<0.001
NIHSS, 7-day	−1.33 (−1.56 to −1.10)	<0.001	−1.82 (−2.10 to −1.58)	<0.001

*Estimated by multiple linear regression models using the variables in the table.

FIM, functional independence measure; NIHSS, National Institutes of Health Stroke Scale.