Table 3.

Kappa for the separate questionnaire items, stratified by weight status of the child

		Child’s weight status
		Total	Healthy Weight	Overweight
Health behaviour	Number of parent child dyads	Kappa (95% CI)	Kappa (95% CI)	Kappa (95% CI)
Breakfast consumption	1965	0.33 (0.21 – 0.45)	0.27 (0.15 – 0.40)	0.45 (0.22 – 0.66)
Family dinner	1965	0.13 (0.09 – 0.17)	0.11 (0.07 – 0.15)	0.24 (0.10 – 0.39)
Outside play; frequency	1930	0.21 (0.18 – 0.24)	0.21 (0.18 – 0.24)	0.19 (0.10 – 0.29)
Outside play; duration	1917	0.19 (0.16 – 0.22)	0.19 (0.15 – 0.22)	0.22 (0.14 – 0.31)
TV/DVD viewing; frequency	1930	0.19 (0.15 – 0.22)	0.19 (0.15 – 0.23)	0.15 (0.05 – 0.27)
TV/DVD viewing; duration	1930	0.16 (0.13 – 0.19)	0.16 (0.13 – 0.20)	0.10 (0.02 – 0.18)
Means of transportation to school	1930	0.82 (0.80 – 0.85)	0.83 (0.80 – 0.86)	0.76 (0.66 – 0.85)