DESCRIPTION (investigator's abstract): Fruit, 100 percent juice and vegetable (FJV) consumption play a critical role in cancer prevention. Most Americans,
including children, are not consuming the prescribed 5 to 9 servings of FJV
each day. Home FJV availability has been shown to be a promising correlate of children's FJV consumption. The correlations, however, have been modest, as
have been the reliability and validity coefficients.
Research is needed that attempts to improve the measurement characteristics and
that theoretically analyses the influences on home FJV availability. While home
FJV availability is a part of the child's physical environment, it is in part
the result of the actions of actors in the child's social environment, and is
likely responsive to the child's actions, which completes the reciprocal
Three studies are proposed. A food store intercept survey in stores balanced on
SES and ethnic group of neighborhood will be conducted with 640 customers to
identify usual food purchasing patterns. Focus groups will be conducted with
120 parents to identify influences on the home food pantry management. A
multiple 'interview and one home visit study will be conducted to address
procedures to enhance validity and reliability of assessment. An objective
measure, an observational home inventory, will be conducted to assess validity
of report. The values from one-day observations will be adjusted for factors
that may influence discrepancies with self reports of FJ-V availability over
the previous seven days. Use of grocery store purchase receipts will be used to
assess their validity, reliability and convenience for families and
investigators, especially in comparison to other measures. These validity and
reliability issues will be explored within three important contexts: the SES of
the family (since SES influences so many facets of the family food experience);
the usual home food purchasing pattern (since deviations from grocery store
sales receipts will vary by time since purchasing); and the age of the child
providing a report of home FJV availability in addition to the parent (since
cognitive maturity can influence the awareness and the ability of the child to
provide accurate reports). The extent to which this research elucidates
relationships of influences on home FJV availability, new targets should be
identified to enhance the effectiveness of future interventions. The extent to
which this research enhances the validity and reliability of measurement,
future research on correlates will be more successful.
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