<prompt> Kanawati index is used for-Socioeconomic statusProtein energy malnutritionFood fortificationNon-communicable disease  <response>: Ans. is b i.e., Protein energy malnutrition Kanawati index is used to classify protein energy malnutrition PEM.Kanawati index Mid arm circumference---Head circumference Normal value is 0-331. Values between 0-310 - 0-280 indicate mild PEM, values between 0-279 - 0-250 indicate moderate PEM and values less than 0-250 indicate severe PEM. 