Reliability and relative validity of a child nutrition questionnaire to simultaneously assess dietary patterns associated with positive energy balance and food behaviours, attitudes, knowledge and environments associated with healthy eating

Table 3 Test-retest reliability and mean values for Test 1 and Test 2 for the 12 scores

Score	Intraclass correlation	95% confidence interval	Mean scores
			Test 1	Test 2
Intake
Noncore food	0.47**	0.31–0.60	3.5	3.1
Sweetened beverages	0.59**	0.46–0.70	1.8	1.5*
Sweetened beverages – diet soft drink	0.63**	0.50–0.72	1.6	1.4
Water	0.57**	0.44–0.68	3.0	3.3**
Fruit	0.66**	0.55–0.75	5.4	5.3
Vegetables	0.66**	0.55–0.75	4.5	4.3
Healthy behaviour
Healthy behaviour	0.64**	0.51–0.75	15.1	14.9
Attitude
Fruit	0.50**	0.36–0.62	21.1	20.9
Vegetable	0.62**	0.50–0.72	15.1	15.1
Environment
Fruit & vegetable	0.59**	0.45–0.69	18.9	18.3
Knowledge
Fruit	0.16*	-0.01–0.32	3.8	3.6
Vegetables	0.36**	0.20–0.49	4.0	3.8

ISSN: 1479-5868