Factors Affecting Physical Activity of People with Knee Osteoarthritis in Southern Taiwan: A Multiple Logistic Regression Analysis

Table 2

The comparison of continuous variables between inactive and active physical activity groups in people with KOA (n = 188).

Variables	Total n = 188		Physical activity
			Inactive n = 137		Active n = 51		alue
Age (years)	69.37	±7.92	70.97	±7.83	65.06	±6.46	<0.001
WOMAC score	43.86	±14.57	45.49	±15.30	39.47	±11.38	0.011
6-m preferred walking speed (m/sec)	0.97	±0.26	0.92	±0.27	1.09	±0.18	<0.001

Data are mean ± standard deviation. Student’s t-tests were used to compare the mean values. . WOMAC index: McMaster Universities Osteoarthritis Index.