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. Author manuscript; available in PMC: 2015 Apr 20.
Published in final edited form as: J Am Diet Assoc. 2009 Dec;109(12):2001–2009. doi: 10.1016/j.jada.2009.09.004

Table 4.

Median and interaquartile range (IQR)a of consumption of selected food groups and foods among children according to food security level in CHAMACOS (Salinas, CA) and Mexico (Guanajuato, Jalisco, Michoacán) 2006

Food Security Status
Food group Food secure Low food security Very low food security ANOVAb Adjusted
ANOVAc
Median (IQR) Median (IQR) Median (IQR) p-value p-value
California n = 301
    Vegetables/day 2.3 (1.4, 3.5) 2.7 (1.9, 3.8) 2.6 (0.8, 3.9) 0.43 0.43
    Fruits/day 2.8 (2.0, 4.3) 3.2 (2.1, 4.7) 2.4 (1.6, 3.9) 0.61 0.75
    Grains/dayd 5.1 (3.5, 6.6) 5.2 (4.1, 6.7) 4.3 (2.9, 6.8) 0.32 0.45
    Tortillas/day 1.0 (0.4, 2.5) 1.0 (0.4, 2.5) 1.0 (0.4, 2.5) 0.66 0.39
    Beans/day 3.0 (3.0, 7.0) 4.3 (3.0, 7.0) 3.0 (3.0, 7.0) 0.12 0.19
    Meat/daye 0.7 (0.4, 1.1) 0.9 (0.6, 1.5) 0.6 (0.4, 1.1) 0.02 0.04
    Dairy/day 3.4 (2.4, 4.7) 3.8 (3.1, 5.4) 3.1 (2.0, 3.9) 0.18 0.11
    Sweetened beverages/dayf 1.6 (0.9, 2.9) 1.4 (1.0, 2.9) 1.6 (0.9, 3.5) 0.62 0.66
    Fast food/week 1.0 (0.5, 1.0) 1.0 (0.5, 1.0) 1.0 (0.5, 1.0) 0.47 0.49
    Sweets and fried snacks/day 1.9 * (1.1, 2.9) 2.5 * (1.6, 3.9) 2.3 (1.1, 4.3) <0.01 <0.01
Mexico n = 301
    Vegetables/day 2.8 (1.9, 4.2) 2.5 (1.7, 3.8) 2.9 (1.6, 4.1) 0.35 0.34
    Fruits/day 1.7 * (1.0, 2.6) 1.4 (0.9, 2.1) 1.2 * (0.7, 2.1) 0.05 0.10
    Grains/dayd 5.8 (4.5, 7.9) 5.9 (4.6, 7.4) 5.3 (4.0, 7.4) 0.17 0.10
    Tortillas/day 4.0 (3.0, 6.0) 4.0 (3.0, 5.4) 3.0 (3.0, 5.8) 0.48 0.39
    Beans/day 6.0 (3.5, 7.8) 4.0 * (3.0, 6.5) 6.0 * (4.0, 8.5) <0.01 0.01
    Meat/daye 1.0 (0.6, 1.5) 0.9 (0.6, 1.4) 0.7 (0.5, 1.2) 0.04 0.09
    Dairy/day 2.1 * (1.3, 2.9) 1.5 (1.0, 2.8) 1.1 * (0.8, 2.5) 0.01 0.05
    Sweetened beverages/dayf 1.1 (0.9, 2.0) 1.2 (0.9, 2.0) 1.1 (0.9, 1.5) 0.44 0.62
    Fast food/week 0.0 (0.0, 0.0) 0.0 (0.0, 0.0) 0.0 (0.0, 0.0) 0.32 0.52
    Sweets and fried snacks/day 2.3 (1.5, 3.5) 2.3 (1.4, 3.4) 1.8 (1.0, 3.1) 0.23 0.35
a

Median and IQR's are presented due to the skewed distributions of the food ad food groups

b

Groups with the same symbol (*) are significantly different according to the post hoc Tukey HSD test of pairwise comparisons; p-value of ≤ 0.05 considered significant

c

California: Adjusted for socioeconomic status, maternal education, receiving food assistance, and farmworker status; Mexico: Adjusted for socioeconomic status and maternal education

d

Includes tortillas

e

Includes poultry, beef, pork

f

Includes sodas and juices