The use and construction of anthropometric growth reference standards.

CONTENTS U S E O F GROWTH S T A N D A R D S . . 20 HISTORY . . . 20 D E F I N I T I O N S . . 21 REFERENCE OR S T A N D A R D . . . 21 LOCAL OR I N T E R N A T I O N A L . . . 22 SCALES O F MEASUREMENT . . . 22 Centile . . . 23 Percentage of median . . 23 SD score . . 23 D I S T A N C E A N D VELOCITY S T A N D A R D S . . 26 Weight for height . . . 28 M A R G I N A L A N D C O N D I T I O N A L S T A N D A R D S . . 28 Marginal or unconditional . . 28 Conditional . . . 29 P U R P O S E OF S T A N D A R D S . . 31 Education . . 31 Screening . . 31 Clinical . . . 32 Group summary . . 32 EFFECT OF A N I N A P P R O P R I A T E S T A N D A R D . . 32 F U T U R E DEVELOPMENTS U S I N G S D SCORES . . 34 Displav of SD scores . . 34 Indices based on SD scores . . . 34 GROWTH S T A N D A R D C O N S T R U C T I O N . . . 36 P R I N C I P L E S . . 36 G R O W T H C U R V E S . . . 36 Smoothing . . 36 Infancy models . . 37 All childhood models . . 38 CENTILE S P E C I F I C A T I O N . . 39 Normal distribution . . 40