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. Author manuscript; available in PMC: 2015 Apr 6.
Published in final edited form as: Med Sci Sports Exerc. 2014 Dec;46(12):2195–2201. doi: 10.1249/MSS.0000000000000360

Table 5.

Effect of PFIs on Levels of Physical Activity

Physical Activity Intensity (MET-hrs·wk−1) Total Sample (n=213) No PFI (n=100) PFI (n=113)
 <3.0 85 (40%) 33 (33%) 52 (46%)
 3.0–8.9 27 (13%) 13 (13%) 14 (12%)
 9.0–17.9 26 (13%) 10 (10%) 17 (15%)
 18.0–26.9 26 (12%) 16 (16%) 10 (9%)
 ≥27.0 48 (23%) 28 (28%) 20 (18%)

Odds Ratio (95% CI)a 0.51 (0.31–0.84)
P .009
a

Ordered logistic regression controlling for employment status