Height and Weight Charts.
A. Weight during the first year of 120 well-cared-for children (1) ====; compared with the average given by Dr. Holt (2) ....; and that of 500 institution children (3) ——.
B. Height during the first year of 120 well-cared-for children (1) ====; compared with the average given by Dr. Holt (2) ....; and that of 500 institution children (3) ——.
C. Weight of 278 well-cared-for children, ====; compared with 1,000 orphan asylum children, ——; and 69,000 school children, .....
D. Height of 278 well-cared-for children, ====; compared with 1,000 orphan asylum children, ——; and 98,000 school children, .....
A comparative study recently made of (a) 278 children in well-nourished families, (b) 1,000 orphan asylum inmates, (c) 69,000 public school children, revealed a difference of six (6) inches average height and twenty (20) pounds average weight, at twelve years of age, in favor of the first group, living under good conditions of nourishment, exercise, and hygiene, above the public-school group, the asylum group being intermediate.[49]
Illness retards growth, especially weight; adenoids retard growth in height and weight.
2. Urban or rural environment. Country children average taller, heavier, and greater lung capacity than city children.
3. Season. In the North Temperate Zone, increase in height is greatest from December to July, least from June to January; growth in weight is the reverse.
Maturity. Various factors influence the age of physiological maturity.