Test-retest reliability of a new questionnaire on the diet and eating behavior of one year old children

BMC Research Notes

Table 2 Meal and meal pattern ¹ , median weekly frequencies and correlation coefficients

	n	Median test	Median retest	Spearman’s r	Cohen’s kappa ²
Breakfast	94	7	7	0.58	0.50
Lunch	94	7	7	0.46	0.32
Afternoon between lunch/dinner	94	5	5	0.81	0.56
Dinner	94	7	7	0.33	0.34
After dinner meal	94	7	7	0.68	0.52
Other meal	94	3	4	0.45	0.30
Breakfast with parent	93	7	7	0.62	0.58
Lunch with parent	90	2	2	0.73	0.57
Dinner with parent	94	2	7	0.57	0.42
After dinner meal with parent	85	2	2	0.59	0.47
Bedtime meal with parent	91	5	5	0.66	0.45
Other meal with parent	86	2	2	0.35	0.26
Meals out (café, restaurant)	85	0	0	0.72	0.69

¹A discrepancy between lists of meals taken, and meals taken with parent, was discovered after questionnaire was launched and will be revised in subsequent versions. ²Scale and frequency variables were ranked into quartile categories for calculating Cohen’s kappa. All correlation measures significant at p ≤ 0.001.

ISSN: 1756-0500