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TABLE 4: ENERGY COST OF ACTIVITIES IN EARLY ADOLESCENCE, BOYS (15-16 YEARS)

** Ref No.

Sex

Age y

Nut. St.

Ethnic group

Country or region, R/U, D/I

SES

Activity

Methodology

n

Weight (kg)

BMR kcal/min

Energy cost

kcal/min

cal/kg/min

X MBR

LYING DOWN, AT REST

4

M

15.0-16.9

N

ladino

Guatemala
U, D

L

lying at rest

Douglas bag

14

48.9 5.8

#
1.05 0.07

1.18 0.11

25 2.7

1.13

20

M3
F2

13 - 15

N

white

U.K.
U, D

M?

Lying down, resting

Douglas bag or Benedict-Roth respirometer

5

57.2 6.6

#
1.07

1.16 0.11

*
20.5 2.9

*
1.08

SITTING QUIETLY, READING, WRITING

5

M

14-16

N

latin

Colombia
U

L

Sitting quietly

Douglas bag

15

46.7 3.5

1,05 0.14

*
1.23

*
26.4

1.17

"

"

"

U

"

"

"

" "

" "

17

34.8 5.1

0.94 0.18

*
1.10

*
31.8

1.17

4

M

15.0-16.9

N

ladino

Guatemala
U, D

L

Sitting quietly, reading or writing

Douglas bag

14

48.9 5.8

#
1.05 0.07

1.24 0.15

26 3.3

1.18

21

M

13-15

N

Filipino

Philippines
U, D

U

Sitting quietly

K M

12

48 6

*
1.04

1.37 0.45

28.5

*
1.32

STANDING QUIETLY WITH LITTLE MOVEMENT

21

M

13-15

N

Filipino

Philippines
U, D

U

Standing quietly

K M

12

48 6

#
1.04

1.60 0.56

33.3

*
1.54

STANDING AND MOVING

4

M

15.0-16.9

N

ladino

Guatemala
U, D

L

Standing, bending and tossing a ball

Douglas bag

14

48.9 5.8

#
1.05 0.07

2.53 0.47

52, 7.5

2.40

WALKING, FREE VELOCITY, LEVEL GROUND

4

M

15.0-16.9

N

ladino

Guatemala
U, D

L

Walking, 72 m/min

Douglas bag

14

48.9 5.8

#
1.05 0.07

3.36 0.51

69 4.7

3.19

21

MN

13.15

N

Filipino

Philippines
U, D

U

Walking

K M

12

48 6

#*
1.04

3.06 0.74

63.8

2.94

12

M

13-19

N?

?

U.S.
?, I

?

Walking, free velocity (73 12 m/min)

Douglas bag

25

&
64.0

#&
1.23

&
4.08

*
63.7 9.2

*
3.32

20

M-3
F-2

13-15

N?

white

U.K.
U?, I

M?

Walking, indoor track, 80 m/min

K M

5

57.2 6,6

#
1.07

*
3.88 0.3

*
68.4 7.8

*
3.63

WALKING FAST, UPHILL OR CARRYING A LOAD

4

M

15.0-16.9

N

ladino

Guatemala
U, D

L

Walking, 96 m/min.

Douglas bag

14

48.9 5.8

#
1.05 0.07

4.63 0.54

94 8.5

4.41

"

M

15.0-16.9

N

ladino

Guatemala
U, D

L

Walking, 79 m/min, carrying 9 kg

Douglas bag

14

48.9 5.8

#
1.05 0.07

4.53 0.68

93 10.8

4.32

LEISURE TIME, PLAY OF MODERATE INTENSITY

14

M

14

U?

Ceylonese

Ceylon
U, D

?

Playing in school playground, limited by Douglas bag

Douglas bag

25

33.7

0.74

*
1.82

*
54.0

*
2.46

EXERCISE

20

M-3
F-2

13-15

N

white

U. K.
U, I

M?

Step test, 10 min. at 15 steps/min, 25.4 cm stool

K M

5

57.2 6.6

*
1.07

*
3.84 0.36

*
67.4 4.4

*
3.59

Footnotes:

$ Sex: M = male, F = female. Nutritional status: N = normal, U = underweight, O = obese. Country and region: R = rural, U = urban, D = developing, I = industrialized. Socioeconomic status (SES): L = lower, M = middle, U = upper, n = number of tests or children. BMR = basal metabolic rate. X BMR = multiples of BMR.

* Calculated by B. Torún from authors' data

# BMR calculated from sex and weight according to Schofield et al (FAO/WHO/UNU, 1985, p. 71).

& Weight calculated from sex, age and nutritional status using the NCHS standards (WHO, 1983).

** Authors and year of publication in table 9. Complete bibliographic references et the end of the paper.

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