At @ months , there was a significant decrease noted in the hours per day of sedentary time in both the health coaching ( -@ ; @ % confidence interval -LSB- @ % CI -RSB- , -@ to -@ ) and usual-care groups ( -@ ; @ % CI , -@ to -@ ) , but the between-group difference was not found to be statistically significant ( -@ ; @ % CI , -@ to @ -LSB- P = @ -RSB- ) .