Reliability of direct observation of schoolchildren's consumption of bag lunches.
Simons-Morton
B G
BG
School of Public Health, University of Texas Health Science Center, Houston 77225.
Forthofer
R
R
Huang
I W
IW
Baranowski
T
T
Reed
D B
DB
Fleishman
R
R
D002648:Child; D002664:Child Nutritional Physiological Phenomena; D015930:Diet Records; D004435:Eating; D006801:Humans; D015588:Observer Variation; D015203:Reproducibility of Results