Table 5. Individual-level validation tests comparing energy-adjusted food intakes estimated by the food frequency questionnaire and the 24-hour recall at each time-point^†.

	Age 1.5 years (n = 231)				Age 3.5 years (n = 172)				Age 5.0 years (n = 187)
Food item	rs	Rs	% agreement	Kw	rs	Rs	% agreement	Kw	rs	Rs	% agreement	Kw
Water	0.38	0.40	69.7	0.28	0.42	0.46	64.0	0.23	0.44	0.47	68.5	0.31
Milk	0.30	0.33	62.3	0.18	0.47	0.51	67.4	0.27	0.52	0.57	73.3	0.34
All other beverages	0.27	0.30	51.5	0.14	0.53	0.58	75.6	0.34	0.65	0.71	81.3	0.47
Cheese	0.49	0.56	69.7	0.32	0.29	0.33	57.6	0.13	0.36	0.43	64.2	0.20
Yoghurt	0.53	0.60	70.6	0.36	0.53	0.61	73.3	0.34	0.54	0.61	73.8	0.33
Cream/ ice-cream /custards	0.44	0.51	67.1	0.32	0.25	0.29	55.8	0.16	0.26	0.31	59.4	0.19
Non-white bread	0.25	0.28	62.3	0.17	0.32	0.37	63.4	0.19	0.41	0.46	65.2	0.24
White bread	0.31	0.35	64.5	0.22	0.22	0.25	52.9	0.09	0.34	0.39	65.8	0.25
Breakfast cereal	0.19	0.21	60.6	0.15	0.29	0.33	62.8	0.18	0.22	0.25	63.1	0.19
Rice/pasta /other cereals	0.35	0.41	67.5	0.20	0.33	0.39	64.5	0.19	0.26	0.30	58.3	0.13
Red meat	0.12	0.15	56.3	0.06	0.28	0.34	57.0	0.15	0.18	0.21	63.1	0.14
Poultry	0.15	0.18	59.3	0.12	0.25	0.31	64.5	0.18	0.25	0.29	60.0	0.15
Seafood	0.33	0.33	63.2	0.25	0.31	0.38	62.2	0.22	0.33	0.39	63.1	0.20
Processed meat	0.33	0.38	67.1	0.26	0.35	0.42	68.0	0.24	0.36	0.43	63.1	0.18
Eggs	0.34	0.41	60.2	0.21	0.33	0.39	64.0	0.22	0.32	0.38	63.6	0.19
Fruit	0.33	0.37	65.8	0.24	0.41	0.46	67.4	0.30	0.43	0.49	67.9	0.32
Vegetables (no potatoes)	0.23	0.27	59.3	0.14	0.41	0.47	67.4	0.28	0.38	0.43	63.6	0.22
Potato	0.14	0.17	56.3	0.12	0.31	0.38	64.5	0.19	0.21	0.25	52.9	0.07
Hot chips	0.31	0.38	55.4	0.18	0.36	0.43	62.8	0.25	0.15	0.18	52.4	0.06
Takeaway style foods	0.08	0.10	51.5	0.05	0.21	0.26	61.0	0.15	0.24	0.29	57.8	0.16
Sweet snack foods	0.37	0.43	61.5	0.20	0.22	0.26	58.7	0.08	0.39	0.46	67.4	0.27
Savoury snack foods	0.32	0.37	58.0	0.18	0.31	0.37	61.6	0.20	0.28	0.32	62.6	0.18
Crispbreads and crackers	0.32	0.44	60.6	0.21	0.35	0.41	70.4	0.27	0.32	0.37	63.1	0.19
Nuts and seeds	0.31	0.37	60.2	0.20	0.48	0.56	65.7	0.26	0.33	0.39	62.0	0.20
Butter and margarine	0.47	0.55	69.3	0.32	0.39	0.45	68.0	0.30	0.43	0.49	65.2	0.28
Sugars, jams and honey	0.37	0.43	68.0	0.27	0.22	0.26	63.4	0.18	0.27	0.32	67.4	0.18

^†Spearman’s correlation r_s, De-attenuated Spearman’s correlation R_S, (<0.2 poor, 0.2–0.49 acceptable, ≥0.5 good), Percentage agreement within 1 quintile (≥50% good), K_w: weighted kappa (<0.20 Poor, 0.20–0.59 acceptable, ≥0.60 good)