Table 2.

Generalized linear mixed model of daily consumption of fruit and vegetables with fixed effects

	Daily fruit						Daily vegetables
	Model 1			Model 2			Model 1			Model 2
Fixed effects	OR	95% CI	p-value	OR	95% CI	p-value	OR	95% CI	p-value	OR	95% CI	p-value
Intercept	0.47	0.43- 0.51	<.001	0.48	0.44-0.53	<.001	0.32	0.29-0.35	<.001	0.32	0.29-0.36	<.001
Female	1.82	1.71-1.94	<.001	1.72	1.53-1.95	<.001	1.46	1.36-1.57	<.001	1.43	1.26-1.62	<.001
Age = 16	0.43	0.38-0.47	<.001	0.36	0.31-0.42	<.001	0.57	0.51-0.64	<.001	0.48	0.42-0.56	<.001
Age = 15	0.62	0.56-0.69	<.001	0.59	0.52-0.68	<.001	0.67	0.61-0.75	<.001	0.67	0.57-0.77	<.001
Age = 13	0.73	0.66-0.81	<.001	0.77	0.67-0.88	<.001	0.76	0.68-0.84	<.001	0.83	0.72-0.96	.011
2005 vs 2001	1.76	1.61-1.92	<.001	1.99	1.61-2.46	<.001	1.51	1.37-1.66	<.001	1.67	1.30-2.15	<.001
2009 vs 2005	0.97	0.89-1.06	.486	0.89	0.72-1.11	.312	1.01	0.92-1.11	.793	1.00	0.78-1.30	.977
SES	1.47	1.32-1.65	<.001	1.47	1.31-1.64	<.001	1.40	1.24-1.58	<.001	1.41	1.24-1.60	<.001
Female × age = 16				1.34	1.10-1.62	.003				1.34	1.12-1.62	.002
Female × age = 15				1.09	0.91-1.30	.346				1.02	0.84-1.24	.853
Female × age = 13				0.92	0.77-1.10	.336				0.84	0.70-1.01	.060
Female × 2005/2001				0.94	0.81-1.10	.422				0.97	0.82-1.15	.676
Female × 2009/2005				1.07	0.91-1.25	.402				0.92	0.78-1.08	.291
Age = 16 × 2005/2001				0.86	0.67-1.10	.238				0.92	0.70-1.21	.562
Age = 15 × 2005/2001				0.96	0.75-1.22	.746				1.04	0.80-1.36	.757
Age = 13 × 2005/2001				0.85	0.68-1.08	.183				0.93	0.72-1.22	.612
Age = 16 × 2009/2005				0.96	0.74-1.24	.737				1.13	0.85-1.48	.406
Age = 15 × 2009/2005				1.27	0.99-1.61	.054				1.19	0.92-1.53	.192
Age = 13 × 2009/2005				1.20	0.94-1.52	.141				1.00	0.78-1.29	.989
SES × 2005/2001				0.99	0.77-1.27	.920				0.90	0.68-1.18	.436
SES × 2009/2005			0.91	0.69-1.22	.538				0.98	0.71-1.36	.905

OR – odds ratio; CI – confidence interval; the reference group for gender was boys and for age 11 year olds.