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Table 7 Percent intake and per unit cost of potassium in 2015–2020 DGA (appendix 12) identified food sources

From: Comparing the cost of essential nutrients from different food sources in the American diet using NHANES 2011–2014

Food Source

% Daily Intake Mean ± SE

Cost cents per mg Mean ± SE

Rank by Costa

% Daily Intake Mean ± SE

Cost cents per mg Mean ± SE

Rank by Costa

 

Children 2–18 years

 

Adults 19–99 years

 

Avocado

0.12 ± 0.04

0.10 ± 0.0002

4

0.43 ± 0.04

0.10 ± 0.0001

5

Beans

1.33 ± 0.18

0.10 ± 0.01

4

1.98 ± 0.10

0.11 ± 0.01

6

Beet green

NA

NA

 

NA

NA

 

Dried Peaches, prunes, apricots

0.004 ± 0.002

0.28 ± 0.14

8

0.03 ± 0.01

0.09 ± 0.001

3

Fish

0.62 ± 0.09

0.54 ± 0.02

9

1.65 ± 0.15

0.50 ± 0.01

9

Juice

5.68 ± 0.24

0.08 ± 0.002

2

3.65 ± 0.16

0.08 ± 0.01

2

Milk (dairy)

18.2 ± 0.4

0.09 ± 0.001

3

6.31 ± 0.20

0.09 ± 0.001

3

Potatoes and sweet potatoes

5.32 ± 0.27

0.06 ± 0.001

1

6.23 ± 0.19

0.07 ± 0.001

1

Spinach

0.13 ± 0.03

0.15 ± 0.003

6

0.42 ± 0.05

0.16 ± 0.01

7

Tomato paste, puree

NA

NA

 

NA

NA

 

Yogurt

1.24 ± 0.10

0.20 ± 0.002

7

1.04 ± 0.06

0.19 ± 0.003

8

  1. Data from NHANES 2011–2014; NA – Intake data was not available in NHANES 2011–2014
  2. aRanking of foods from least expensive to most expensive source