What effect do attempts to lose weight have on the observed relationship between nutrition behaviors and body mass index among adolescents?

Table 3 Bivariate and multivariate relationships between BMI and nutrition behaviors in the total sample.

	Bivariate Relationship			Multivariate Relationship ¹
	n	Mean BMI²	95% CI³	β⁴	SE⁵	p-value
Breakfast consumption (days per school week)
None	689	26.4	(25.1, 27.7)	0.97	0.1
1–2 days	429	26.9	(25.7, 28.2)	0.96	0.4
3–4 days	924	25.9	(24.6, 27.3)	0.22	0.2
5 days	1037	24.8	(23.5, 26.0)	0.00	0.0	<0.001
Eat five or more fruits and vegetables a day
No	2028	25.4	(24.1, 26.7)	-0.78	0.1
Yes	1458	26.2	(25.0, 27.4)	0.00	0.0	0.001
Average daily soft drink consumption
Not regular drinker	757	25.3	(23.9, 26.7)	0.00	0.0
1/2 a can a day or less	1053	25.6	(24.3, 27.0)	-0.19	0.1
1 can a day	655	25.8	(24.5, 27.1)	-0.37	0.2
2 cans a day	340	26.4	(24.8, 27.9)	0.23	0.3
More than 2 cans a day	398	26.0	(25.2, 26.8)	-0.48	0.1	0.022
Fast food/takeaway consumption
Once a month or less	694	26.2	(24.4, 27.9)	0.00	0.0
2–3 times a month	973	25.9	(24.7, 27.1)	-0.52	0.3
1–3 times a week	1562	25.5	(24.4, 26.6)	-1.25	0.3
Most days	256	25.5	(24.2, 26.8)	-1.87	0.3	0.002
High fat foods as after school snack
Never	874	25.4	(23.8, 26.9)	0.00	0.0
Some days	1735	26.0	(24.8, 27.2)	-0.38	0.2
Most days	633	25.6	(24.5, 26.7)	-1.34	0.2
Everyday	243	25.4	(24.2, 26.6)	-1.66	0.4	<0.001
High sugar foods as after school snack
Never	744	26.3	(25.0, 27.6)	0.00	0.0
Some days	1689	25.8	(24.7, 27.0)	-0.98	0.1
Most days	704	25.1	(23.9, 26.4)	-1.90	0.2
Everyday	348	25.2	(23.7, 26.8)	-1.80	0.2	<0.001
Fruit as after school snack
Never	480	24.6	(23.4, 25.9)	0.00	0.0
Some days	1508	25.9	(24.6, 27.1)	0.85	0.3
Most days	819	26.5	(25.2, 27.8)	1.79	0.4
Everyday	678	25.3	(23.9, 26.7)	0.98	0.4	0.002

ISSN: 1479-5868