Dietary ComputationsJemma G. de Leon UERMMMCI College of Nursing

Nutrition EvaluationHeight A linear measurement Indication of past or chronic nutritional status

How to obtained correct height measurement?Infantometer for infants

How to obtained correct height measurement?Stadiometer for children and adults

How to obtained correct height measurement?Infants:

How to obtained correct height measurement?Children and adults:

How to obtained correct height measurement?Knee Height To estimate stature of the patients whose standing height cannot be taken accurately

How to obtained correct height measurement?Knee Height Bent the knee to a 90 degree angle

How to obtained correct height measurement?Knee Height Measure by using a tape measure, from the knee cap to the tibia Make at least 2 readings Get the knee height in cm Formula Men: 64.19 (0.04 x age in years) + (2.02 x knee height in cm) Women: 84.88 (0.24 x age in years) + (1.83 x knee height in cm)

Waist to Hip RatioAbdominal ratio To measure body fat distribution and adiposity

Waist to Hip RatioGuide in evaluating health risk

Waist to Hip RatioFormula: Waist Circunference (cm) Hip circumference (cm) > 1 in men =android obesity > 0.8 in women = android obesity

Mid Upper Arm CircumferenceIt evaluate fat stores It measures the arm, muscle mass, subcutaneous fat and bone It estimates wasting of an individual Steps: Use a measuring tape Allow the subject to sit and hang his arm on the side Mark the midpoint Place the tape around the mid upper arm Measure 3 times (nearest cm) Average the 3 measurements

Mid Upper Arm Circumference (Children 1- 5) 1MUAC > 14 12.5 - 14 < 12.5 Level of nutrition Normal Mild / moderate malnutrition Severe malnutrition

Mid Upper Arm Circumference (Adults)MUAC Male: > 23 < 23 Female: > 22 < 22 Level of nutrition Normal Malnourish Normal Malnourish

Desirable Body WeightIdeal body weight Healthy weight Indicates a person s body composition has a good balance of lean body mass and fat tissue

Desirable Body Weight (Infants)Based on birth weight and age First 6 months:DBW = Birth weight (gm) + (age in mo. X 600)

7 months

1 year:

DBW = Birth weight (gm) + (age in mo. X 500)

Desirable Body Weight (Infants)Based on age DBW (k) = (age in mo./2) + 3

Desirable Body Weight (Children)DBW (k) = (age in years x 2) + 8

Desirable Body Weight (Teens & Adults)NutritionistNutritionist-Dietitians Association of the Philippines (NDAP) Formula Used by FNRI Method: 1.Men 112 lbs for 5 feet tall Women 106 lbs for 5 feet tall 2. Add 4 lbs for every inch above 5 feet Subtract 4 lbs for every inch below 5 feet

Desirable Body Weight (Teens & Adults)Tannhauser s / Broca Index Method: DBW (k) = height (cm) 100 Deduct 10% when subject is Filipino

Desirable Body Weight (Teens & Adults)BMI derived formula Formula: Men: DBW (k) = height in meters2 x 22 Women:DBW (k) = height in meters2 x 20.8

Desirable Body Weight (Amputees)Formula: Compute DBW Adjust DBW accdg to type of amputationAdjusted DBW = DBW (DBW x % total wt. amputed

Desirable Body Weight (Amputees)Body part Hand Forearm and hand Entire arm Foot Below knee amputation Above knee amputation Entire leg % of total body weight 0.3 2.6 6.2 1.7 7.0 11.0 18.6

Total Energy RequirementFor muscular and metabolic activities of the body which requires energy Energy comes from oxidation of food Measured in kilocalories / kilojoules Consider: age, sex, physical activity and health condition TER is rounded off to the nearest 50 kcal

Total Energy Requirement (Infants)1 6 months TER (kcal /day) = 120 kcals K DBW

7 months 1 year TER (kcal /day) = 110 kcals K DBW

Total Energy Requirement (Children)Narins and Weil TER = 1000 + (100 x age in years) Calorie Needs for age & DBWTER = DBW (k) x calorie allowance accdg to age Age 1 4 7 3 6 9 Suggested kcal / k DBW /day 105 90 75 65 (boys); 55 (girls)

10 - 12

Total Energy Requirement (Adolescents)TER = DBW (k) x calorie allowance based on ageAge 13 16 15 19 Average Suggested kcal / k DBW /day 55 (boys); 45 (girls) 45 (boys); 40 (girls) 45

Total Energy Requirement (Adults)Energy Allowance Based on Activity Level TEA = DBW (k) x Physical Activity Activity level:Bed rest (hospital patients) Sedentary (mostly sitting) Light (Tailor, Nurse, Physician, Jeepney driver) Moderate (Carpenter, Painter, Heavy housework) Very active (swimming, lumberman) 27.5 30.0 35.0 40.0 45.0