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. Author manuscript; available in PMC: 2010 Jun 22.
Published in final edited form as: Arch Intern Med. 2009 Jun 22;169(12):1139–1146. doi: 10.1001/archinternmed.2009.135

Table 4. Association of Social Activity with Change in Motor Function*.

Terms Estimate 95% CI P-value
Time -0.049 (-0.057, -0.041) P<0.001
Age -0.033 (-0.039, -0.028) P<0.001
Age*Time -0.003 (-0.004, -0.002) P<0.001
Sex 0.374 (0.297, -0.452) P<0.001
Sex *Time -0.047 (-0.065, -0.030) P<0.001
Education 0.020 (0.010, 0.030) P<0.001
Education*Time 0.001 (-0.002, -0.003) P=0.603
Social Activity 0.211 (0.152, 0.270) P<0.001
Social Activity*Time 0.016 (0.003, 0.029) P=0.017
*

Derived from generalized estimating equation which show the results for a 1-unit change in the social activity scale at baseline. Units of comparison: Time in years since baseline,; Age and education in years.