At @ months , mean weight loss in the CM+CHW arm was -@ kg ( @ % CI -@ to -@ ) or -@ % of baseline weight ( @ % CI -@ % to -@ % ) compared with -@ kg ( @ % CI -@ to -@ ; % weight change , -@ % , -@ % , and -@ % ) in CM and -@ kg ( @ % CI -@ to @ ; % weight change , -@ % , @ % , and -@ % ) in UC .