Table 2.

Results of multilevel logistic regression predicting concordance of reporting by food category between two sources of dietary intake for matched time windows among 144 children, Los Angeles County, USA, Mothers’ and Their Children’s Health (MATCH) study

	Concordant ‘Soda/Energy Drinks’		Concordant ‘Chips/Fries’		Concordant ‘Pastries/Sweets’		Concordant ‘Fruits/Vegetables;
	n		n		n		n
Level 1 (prompts)	842		842		842		842
Level 2 (subjects)	139		139		139		139
	OR	95 % CI	OR	95 % CI	OR	95 % CI	OR	95 % CI
Age	1·12	0·79, 1·58	0·84	0·63, 1·11	1·10	0·88, 1·38	0·89	0·75, 1·04
Sex (female)	1·31	0·70, 2·44	1·18	0·70, 2·00	1·28	0·84, 1·96	1·36*	1·01, 1·83
Ethnicity (Hispanic)	0·90	0·49, 1·66	1·01	0·60, 1·00	1·55*	1·02, 2·36	1·10	0·82, 1·50
Overweight/obese	2·01*	1·06, 4·04	1·17	0·68, 2·00	1·61*	1·03, 2·52	1·30	0·95, 1·77

Note: Each column represents a different model, with each predicting the concordance of reporting of each of the four dietary category outcomes. All predictors were entered simultaneously into each model. Age is a centred, continuous variable. Child sex is coded as female (=1) v. male (=0). Overweight/obese (=1) as compared with lean (=0) is calculated based on the criteria of the Centers for Disease Control and Prevention (BMI at or above the 85th percentile for age and sex). Child ethnicity is coded as Hispanic (=1) v. non-Hispanic (=0).

* P<0·05.