Healthier food choices as a result of the revised healthy diet programme Krachtvoer for students of prevocational schools

Table 3 Results of the mixed logistic regressions of dichotomous outcomes of snacks and breakfast consumption

	Experimental condition			Control condition			Odds Ratio for short-term effect (CI) ¹	Odds Ratio for longer-term effect (CI) ¹
	Uncorrected %			Uncorrected %
	T0	T1	T2	T0	T1	T2
	(n = 1117)	(n = 1028)	(n = 1016)	(n = 758)	(n = 681)	(n = 682)
Breakfast consumption
Breakfast frequency							1.10	1.17
							(0.79-1.54)	(0.83-1.64)
-Daily	79.2	73.7	76.3	77.2	74.1	75.3
-Less than seven days	20.8	26.3	23.7	22.8	25.9	24.7
Consumed breakfast that morning							0.81	0.79
							(0.53-1.26)	(0.52-1.20)
-Yes	88.0	87.6	84.7	90.2	85.8	83.5
-No	12.0	12.4	15.3	9.8	14.2	16.5
Snack consumption
Sweets consumption							1.36*	1.48**
							(1.02-1.81)	(1.11-1.97)
-Favourable category	39.1	42.1	44.6	47.6	41.4	43.3
-Unfavourable category	60.9	57.9	55.4	52.4	58.6	56.7
Savoury snacks consumption							1.66**	1.16
							(1.22-2.26)	(0.85-1.57)
-Favourable category	28.2	30.9	29.0	34.8	26.9	31.8
-Unfavourable category	71.8	69.1	71.0	65.2	73.1	68.2
Ice-cream consumption							1.55**	1.29
							(1.15-2.09)	(0.97-1.74)
-Favourable category	32.6	38.5	40.3	37.9	32.2	37.7
-Unfavourable category	67.4	61.5	59.7	62.1	67.8	62.3
Fried snack consumption							1.58**	1.29
							(1.12-2.22)	(0.92-1.81)
-Favourable category	64.9	61.5	61.8	64.0	62.1	59.1
-Unfavourable category	35.1	38.5	38.2	36.0	37.9	40.9
Cookies consumption							0.90	1.01
							(0.67-1.20)	(0.75-1.36)
-Favourable category	64.9	61.5	61.8	64.0	62.1	59.1
-Unfavourable category	35.1	38.5	38.2	36.0	37.9	40.9

¹Reported intervention effects were corrected for a random intercept of measurement, student, and class, and the fixed factors of gender, year, educational track, SEP, and ethnicity * P < 0.05; **P < 0.01; ***P < 0.001.

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