In the intervention group , recommended levels of physical activity increased from 26 % at baseline to 53 % at 12 months ( P < .001 ) compared with controls ( 30 % to 37 % ; P = .27 ) , and 32 % of patients in the intervention group lost 6 or more pounds at 12 months compared with 18.9 % of controls ( odds ratio , 2.2 ; P = .006 ) .
