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. 2013 Mar;72(3):76–79.

Table 4.

Price Per 20 Ounces for Healthy and Unhealthy Beverages in Higher and Lower Per Capita Income Areas

Beverage Classification Per Capita Income Area Ne Mean Price ($) ± SD Median Price ($) Interquartile Range Mean Difference (Lower - Higher Per Capita Income Areas)
Healthy Beveragesa Higher Per Capita Income Areasc 217 1.74 ± 0.85f 1.62 1.01
Lower Per Capita Income Areasd 184 1.79 ± 0.88g 1.69 1.16 0.05 (95% CI -0.12, 0.22)h
Unhealthy Beveragesb Higher Per Capita Income Areasc 271 1.20 ± 0.38f 1.22 0.59
Lower Per Capita Income Areasd 218 1.17 ± 0.39g 1.09 0.63 0.03 (95% CI -0.03, 0.10)i
a

Healthy beverages: milk, orange juice, unsweetened tea, unsweetened coffee, diet soda (water excluded).

b

Unhealthy beverages: regular soda, fruit drinks, sports drinks, sweetened tea, flavored water (sweetened coffee and energy drinks excluded).

c

Higher per capita income areas: Hawai‘i Kai and Manoa.

d

Lower per capita income areas: Waimanalo and Wai‘anae.

e

N represents the number of beverage prices recorded.

f

The difference between the higher per capita income areas' healthy and unhealthy beverages' mean prices per 20 ounces is statistically significant (P<.001).

g

The difference between the lower per capita income areas' healthy and unhealthy beverages' mean prices per 20 ounces is statistically significant (P<.001).

h

The difference between the higher per capita income areas' and lower per capita income areas' healthy beverages' mean prices per 20 ounces is not statistically significant (P=.53).

i

The difference between the higher per capita income areas' and lower per capita income areas' unhealthy beverages' mean prices per 20 ounces is not statistically significant (P=.34).