The impact of open versus closed weighing on rate of weight gain and length of stay among inpatients with anorexia nervosa.

Anorexia nervosa (AN) is a serious illness associated with significant morbidity and mortality. Few data exist to guide practice regarding sharing daily weight information (open weighing) or withholding it (closed weighing) from patients. We investigated the effect of open versus closed weighing on weight-related outcomes among inpatients with AN.