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Validity and reliability of a calcium checklist in early elementary-school children
Lori Marcotte1, Erin Hennessy, Johanna Dwyer
1Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy, John Hancock Center for Physical Activity and Nutrition, Tufts University, Boston, MA 02111, USA.
Objective:
To create, validate and assess the reliability of a checklist to measure calcium intake in children.
Design:
Calcium intakes from a checklist and parent-assisted 24-h dietary recall were compared. Checklist reliability was assessed separately.
Setting:
After-school programmes in the United States.
Subjects:
Forty-two children (18 males, 24 females, age = 8.0 +/- 0.9 years) participated in the validation analysis and 49 children (28 males, 21 females, age = 7.5 +/- 0.9 years) in the reliability analysis.
Results:
No differences in mean calcium intakes were found by method or gender. The checklist correlated well with recall among girls (r = 0.65, P = 0.01) but not boys (r = -0.33, P = 0.19). Agreement over time was above 80% for most foods.
Conclusion:
The calcium checklist is useful for assessing calcium intake among groups of 6-10-year-old children in settings that preclude parental assistance. More research is needed to improve accuracy among boys.
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