Table 2.

Associations between Adolescent Meal Preparation Involvement and Adolescent Dietary Intake and Eating Patterns^*

Adolescent Dietary Quality & Eating Patterns:	Adolescent Involvement with Meal Preparation** (n=2029)
I usually prepare food for the family:	Helped Prepare Dinner <3 times/week (n = 1283)	Helped Prepare Dinner 3+ times/week (n=719)	p-value	Difference 95% CI
Dietary Quality:
Fruit/servings per day (1/2 cup)	1.19	1.49	<0.01	0.30 (0.13, 0.47)
Vegetables/per day (1/2 cup)	1.25	1.68	<0.01	0.42 (0.28, 0.57)
Sugar-sweetened beverages/per day (1 glass)	0.81	0.76	0.32	−0.05 (−0.15, 0.05)
Iron intake/per day (mg)	12.2	13.7	<0.01	1.5 (0.7, 2.3)
Calcium/per day (mg)	912	1040	<0.01	128 (66, 189)
Folate/per day (mcg)	563	616	<0.01	54 (18, 90)
Vitamin D/per day (IU)	192	215	<0.01	24 (9, 38)
Vitamin C/per day (mg)	121	138	0.03	17 (2, 33)
Fiber intake/per day (g)	14.4	17.1	<0.01	2.8 (1.7, 3.8)
Fat (% energy)	30.0	29.7	0.30	−0.2 (−0.8, 0.3)
Eating Patterns:
Breakfast consumption per week	4.11	4.41	0.08	0.31 (−0.04, 0.65)
Fast Food consumption per week	3.27	3.79	<0.01	0.52 (0.19, 0.86)
Family meal frequency per week	3.98	5.60	0.00	1.62 (1.35, 1.90)

^*Adjusted for adolescent gender, age, and race/ethnicity; parental education; family meal frequency (except for eating pattern variables) household size and structure.

^**Adjusted for variables listed above as well as parent involvement in meal preparation.