The Association between Different Levels of Alcohol Use and Gait under Single and Dual Task in Community-Dwelling Older Persons Aged 65 to 70 Years

Table 2

Cross-sectional association of gait parameters and alcohol intake.

	Bivariate analysis			Multivariate analysis
	Coefficient	95% CI	value	Coefficient	95% CI	value
Single task: walking at usual speed
Gait speed (m/s, positive coefficient indicating higher speed)
No drinking	−.035	−.073–.004	.077	−.026	−.065–.013	.193
Light-to-moderate drinking	Reference			Reference
At-risk drinking	.002	−.025–.029	.899	−.002	−.029–.026	.907
Heavy drinking	−.032	−.069–.006	.103	−.040	−.078–−.002	.035
Gait speed CV (%, positive coefficient indicating greater gait speed variability)
No drinking	.337	.048–.626	.022	.288	−.017–.581	.064
Light-to-moderate drinking	Reference			Reference
At-risk drinking	−.030	−.023–.017	.770	−.006	−.022–.020	.955
Heavy drinking	−.083	−.037–.200	.564	.008	−.029–.300	.954
Dual task: walking while counting backwards
Gait speed (m/s)
No drinking	−.053	−.101–−.004	.031	−.032	−.081–.015	.113
Light-to-moderate drinking	Reference			Reference
At-risk drinking	.010	−.024–.043	.563	.01	−.021–.040	.462
Heavy drinking	−.025	−.072–.021	.285	−.039	−.082–.017	.203
Gait speed CV (%)
No drinking	.621	.004–1.24	.048	.475	−.017–1.12	.152
Light-to-moderate drinking	Reference			Reference
At-risk drinking	.029	−.400–.458	.893	.013	−.467–.441	.952
Heavy drinking	.420	−.177–1.02	.168	.418	−.210–1.04	.192

As separate models for men and women had close results and the test for interaction was not significant, a unique model is displayed in the table.
Results from bivariate robust regression.
Results from robust regression model adjusting for age, gender, education, previous falls, comorbidity, and cognition.