RESULTS	Relative to the usual care group , the intervention group reported a small decrease in body mass index ( mean difference = 0.70 kg/m2 , 95 % CI , 0.17 to 1.24 kg/m2 ) and a higher rate of nonadherence to oral hypoglycemic agents ( mean difference = -6.3 % , 95 % CI , -11.91 % to -0.71 % ) .\