The following tables, published through the courtesy of Dr. W. S. Hall, give the rations for different conditions.
TABLE XI.
Rations for Different Conditions.
| Proteins | Carbohydrates | |||||
| Conditions | Low | High | Fats | Low | High | Energy in Calories |
| Man at light indoor work | 60 | 100 | 60 | 390 | 450 | 2764 |
| Man at light outdoor work | 60 | 100 | 100 | 400 | 460 | 2940 |
| Man at moderate outdoor work | 75 | 125 | 125 | 450 | 500 | 3475 |
| Man at hard outdoor work | 100 | 150 | 150 | 500 | 550 | 4000 |
| Man at very hard outdoor winter work | 125 | 180 | 200 | 600 | 650 | 4592 |
| U. S. Army rations | 64 | 106 | 280 | 460 | 540 | 4896-5032 |
| U. S. Navy rations | 143 | 292 | 557 | 5545 | ||
| Football team (old regime) | 181 | 292 | 557 | 5697 | ||
| College football team (new) | 125 | 125 | 125 | 500 | 3675 | |
TABLE XII.
Rations Varied for Sex and Age.
| Proteins | Carbohydrates | |||||
| Variations of Sex and Age | Low | High | Fats | Low | High | Energy in Calories |
| Children, two to six | 36 | 70 | 40 | 250 | 325 | 1520-1956 |
| Children, six to fifteen | 50 | 75 | 45 | 325 | 350 | 1923-2123 |
| Women, with light exercise | 50 | 80 | 80 | 300 | 330 | 2272 |
| Women, at moderate work | 60 | 92 | 80 | 400 | 432 | 2720 |
| Aged women | 50 | 80 | 50 | 270 | 300 | 1870 |
| Aged men | 50 | 100 | 400 | 300 | 350 | 2258 |
The unit of measurement for the calories of energy is the amount of heat required to raise the temperature of one kilogram of energy to 1° centigrade.
In estimating the number of calories of energy given off by the different foods, Dr. Hall represents
| 1 | gram | of | carbohydrates | as | 4.0 | calories |
| ” | ” | ” | fats | ” | 9.4 | ” |
| ” | ” | ” | proteins | ” | 4.0 | ” |