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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: J Aging Phys Act. 2013 Dec 4;22(4):571–577. doi: 10.1123/japa.2012-0257

Table 2.

Results from the Mixture Regression Analysis of PAI with the Percent of Time Spent with PA Intensity as Independent Variables, Using Different Moderate Cutpoints

Cutpoint Parameter Coefficient 95% C.I. p-value
574 Sedentary 0.93 −3.27, 5.13 0.66
Light activity 30.70 14.01, 47.39 <0.001
Mod/Vig activity 27.88 11.42, 44.34 0.001

760 Sedentary 1.09 −2.98, 5.16 0.59
Light activity 29.62 15.64, 43.60 <0.001
Mod/Vig activity 28.71 7.44, 50.00 0.01

1041 Sedentary 1.23 −2.67, 5.14 0.53
Light activity 28.80 17.34, 40.26 <0.001
Mod/Vig activity 30.73 2.61, 58.84 0.03