(neither too light nor too strenuous hard work): A person is said to be a moderately active individual if his/her work involves the use of both hands and feet continuously but not very strenuously. A few examples of people who would belong to this group would include postmen, housemaids, servants, fishermen, agricultural labourers, housewives who do most of the housework themselves manually. Heavy (hard, strenuous work): A person is a heavy worker if he/she is involved in hard/ strenuous work using hands and feet very fast and continuously for a long period each day. Rickshaw pullers, stone cutters, mine workers, coolies belong to this g roup.
. Physiological state : Nutrient requirements are increased in conditions of physiological stress such as pregnancy and lactation. . Disease and drugs : Drugs prescribed for treatment can alter the requirement of one or more nutrients.
. . Recommended dietary intakes for adults Age : - years Age : - years Weight : kg Weight : kg Fig. .
Reference man and Woman Recommended dietary intakes for adults are based on age, sex, body size and activity level. In the case of adults, there are substantial variations in RDA particularly for energy and protein depending on the age, body weight,and activity pattern. That is why RDAs have worked out on the basis of a “Reference individual”. The Reference man is an Indian man in the age Unit RECOMMENDED DIETARY ALLOWANCE AND MEAL - - RECOMMENDED DIETARY ALLOWANCES AND MEAL PLANNING Group Particulars Body wt kg Net Energy Kcal Protein g/d Fat g/d Calcium mg/d Iron mg/d Vitamin A Thiamin mg/d Riboflavin mg/d Niacin mg/d Pyridoxine mg/d Ascorbic acid mg/d Folic acid mg/d Vit B12 mg/d Retinol μg/d B-carotene μg/d Man Sedentary work .
. . Moderate work . .
Heavy work . . Women Sedentary work . .
. Moderate work . .