Calories and Label Review

William P. Wattles, Ph. D.Psychology 314

Percent revisited

William P. Wattles, Ph.D.Psychology 314

Percent

• A way to compare items with different values.

• Example,– Miriam has a 585 mile trip for Thanksgiving

and has driven 250 miles.– Rivka has a 230 mile trip and has gone 120

miles

Who has completed the most of her trip?

585

230

250

120

Rivka

Miriam

Different scales

• If they were on the same scale, that is had the same distance to go, it would be easy to compare them.

Who has completed the most of her trip?

100

100

43

52

Rivka

Miriam

Percent

• If they were on the same scale, that is had the same distance to go, it would be easy to compare them.

• Converting the numbers to a percent puts them on the same scale. (cent means hundred)

Percent the number of hits divided by the total

• Number of hits 120• Total 230• 120/230 = .52 = 52%

230

120

Rivka

Who has completed the most of her trip?

• Number of hits 250• Total 585• 250/585 = .43 = 43%

585

250

Miriam

Who has completed the most of her trip?

585

230

250

120

Rivka

Miriam

52%

43%

Who has completed the most of her trip?

100

100

43

52

Rivka

Miriam

Who’s the better shooter?

made attemptedChristy Thomas 25 79Leigh Ammons 18 44

3-point shots

Who’s the better shooter?

made attempted PctChristy Thomas 25 79 31.6%Leigh Ammons 18 44 40.9%

3-point shots

Most Valuable Player?

• Percent of Total Points scored by FMU

Christy Thomas 9.3%Leigh Ammons 4.9%

Percent of what?

• Percent of team points

• Percent of 3-point shots made

Christy Thomas 9.3%Leigh Ammons 4.9%

made attempted PctChristy Thomas 25 79 31.6%Leigh Ammons 18 44 40.9%

3-point shots

Comparing Nutritional Content

• Use percent to compare foods to:– Other foods– Dietary goals

How many calories per gram?

• Protein• Carbohydrates• Fat

• What is a gram?

How many calories per gram?

• Protein• 4• Carbohydrates• 4• Fat• 9

• What is a gram?• A measure of weight

Triscuits

• Fat Calories • Percent of Calories from fat• Amount of sodium in 14 crackers• % of daily amount of sodium from 14

crackers

Triscuits

• 1 serving 7 crackers• Fat grams 5• Carbohydrate

grams 21• Protein grams 3• Total grams 29

Triscuits

• Fat Calories • 45• Percent of Calories from fat • 32%

• Amount of sodium in 14 crackers • 340 mg• % of daily amount of sodium from 14

crackers • 14%

Subway Ham

• Fat Calories • Percent of Calories from fat

Subway Club

• Fat Calories • 45• Percent of Calories from fat • 14%

Progresso Chicken Soup

• 1 serving size 239 grams• Fat 1.5• Carbohydrate 15• Protein 7• Total 23.5 (239)• 90% Water

Progresso Chicken Soup

• 1 serving size 239 grams• Fat grams 1.5 • Fat Calories 13.5 • Percent of Calories from fat 14%• Percent of can by weight that

is fat .63%• Percent of Daily Value of

fat intake for 2,000 calorie 2%

How many calories can you consume?

• Sedentary men• Active men• Sedentary women• Active women

How many calories can you consume?

• Sedentary men• 2510• Active men• 2900

• Sedentary women• 2150• Active women• 2500

Calories

• Goal• Fat• 30%• Protein• 10%• Carbohydrate• 60%

• Sedentary woman (2150)

• Fat• 645• Protein• 215• Carbohydrate• 1290

Grams

• GoalFat30%Protein10%Carbohydrate60%

• Sedentary woman (2150)

• Fat• 72• Protein• 54• Carbohydrate• 323