Marilyn A. Winkleby|Beth Howard-Pitney|Cheryl L. Albright|Bonnie Bruce|Helena C. Kraemer|Stephen P. Fortmann
Predicting Achievement of a Low-Fat Diet: A Nutrition Intervention for Adults with Low Literacy Skills
Stanford University|Stanford University|Stanford University|Stanford University|Stanford University|Stanford University
paper identifies factors predict achievement lowfat diet among 242 california adults low literacy skills following participation stanford nutrition action program snap randomized classroombased nutrition intervention trial 19931994the intervention classes received newly developed curriculum focuses reducing dietary fat intake snap control classes received existing general nutrition gn curriculum data collected baseline 3 months postintervention hypothesisgenerating analysis uses signal detection method identify mutually exclusive groups met goal low fat diet defined 30 calories total fat 3 months postinterventionthree mutually exclusive groups identified twentythree percent group 1 participants high baseline dietary fat 60 g received either gn snap curriculum met postintervention goal 30 calories total fat thirtyfour percent group 2 participants moderate baseline dietary fat 60 g received gn curriculum successful sixty percent group 3 participants moderate baseline dietary fat received snap curriculum successful members group 3 also significantly increased intake vegetables grains fiberwithin population adults low literacy skills large proportion moderate baseline dietary fat participated snap classes met postintervention criteria lowfat diet much smaller proportion high baseline dietary fat successful suggesting group may benefit different intensive longerterm interventions