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Table 4 By type of food outlet, evidence for validity of five data sources for enumerating retail food outlets in comparison to ground-truthed data for open and closed outlets in six State Designated Tribal Statistical Areas and two US Census-Designated Places in North Carolina, 2009-2010 (PPV stands for Positive Predictive Value)

From: Evidence for validity of five secondary data sources for enumerating retail food outlets in seven American Indian Communities in North Carolina

Secondary Data Source

Type of Food Outlet (n=total number of food outlets by outlet type)

Convenience Stores (n=277)

General Merchandise Stores 1 (n=52)

Grocery Stores (n=37)

Specialty Markets & Shops2 (n=94)

Restaurants3 (n=428)

Sensitivity (95% CI*)

PPV (95% CI*)

Concordance (95% CI*)

Kappa (95% CI*)

Sensitivity (95% CI*)

PPV (95% CI*)

Concordance (95% CI*)

Kappa (95% CI*)

Sensitivity (95% CI*)

PPV (95% CI*)

Concordance (95% CI*)

Kappa (95% CI*)

Sensitivity (95% CI*)

PPV (95% CI*)

Concordance (95% CI*)

Kappa (95% CI*)

Sensitivity (95% CI*)

PPV (95% CI*)

Concordance (95% CI*)

Kappa (95% CI*)

Local Health County

0.35

0.26

0.21

0.20

0.98

0.86

0.83

-0.04

0.91

0.81

0.78

0.60

0.47

0.23

0.16

0.47

0.91

0.70

0.64

0.56

 

(0.28, 0.43)

(0.20, 0.32)

(0.16, 0.26)

(0.12, 0.29)

(0.88, 0.99)

(0.73, 0.94)

(0.70, 0.92)

(-0.10, 0.03)

(0.75, 0.98)

(0.64, 0.92)

(0.62, 0.90)

(0.24, 0.96)

(0.29, 0.65)

(0.14, 0.35)

(0.09, 0.25)

(0.28, 0.66)

(0.87, 0.94)

(0.66, 0.75)

(0.60, 0.69)

(0.48, 0.65)

State Agriculture Department

0.26

0.19

0.15

0.14

0.19

0.16

0.15

-0.01

0.88

0.78

0.76

-0.14

0.34

0.17

0.12

0.18

0.03

0.02

0.02

0.00

 

(0.19, 0.33)

(0.14, 0.25)

(0.11, 0.20)

(0.06, 0.22)

(0.08, 0.33)

(0.07, 0.29)

(0.07, 0.28)

(-0.14, 0.11)

(0.71, 0.97)

(0.61, 0.90)

(0.59, 0.88)

(-0.23, -0.04)

(0.19, 0.53)

(0.09, 0.28)

(0.06, 0.20)

(-0.03, 0.39)

(0.12, 0.05)

(0.01, 0.04)

(0.01, 0.04)

(-0.02, 0.02)

Reference USA

0.86

0.64

0.51

0.56

0.95

0.82

0.79

0.35

0.94

0.89

0.87

-0.07

0.66

0.32

0.22

0.46

0.91

0.71

0.64

0.64

 

(0.80, 0.91)

(0.57, 0.70)

(0.45, 0.57)

(0.46, 0.66)

(0.84, 0.99)

(0.69, 0.91)

(0.65, 0.89)

(-0.01, 0.70)

(0.08, 0.99)

(0.74, 0.97)

(0.71, 0.96)

(-0.14, -0.00)

(0.47, 0.81)

(0.21, 0.45)

(0.14, 0.32)

(0.27, 0.65)

(0.88,0.94)

(0.66, 0.75)

(0.60, 0.69)

(0.56, 0.72)

Dun & Bradstreet

0.32

0.24

0.20

0.17

0.86

0.74

0.71

0.54

0.81

0.72

0.70

0.31

0.19

0.09

0.06

0.15

0.38

0.29

0.27

0.19

 

(0.25, 0.40)

(0.18, 0.30)

(0.15, 0.24)

(0.08, 0.26)

(0.72, 0.95)

(0.60, 0.85)

(0.57, 0.83)

(0.26, 0.82)

(0.64, 0.93)

(0.55, 0.86)

(0.53, 0.84)

(-0.06, 0.68)

(0.07, 0.36)

(0.04, 0.19)

(0.02, 0.13)

(-0.03, 0.32)

(0.32, 0.44)

(0.25, 0.34)

(0.22, 0.31)

(0.13, 0.25)

Online Yellow Pages

0.48

0.36

0.29

0.21

0.21

0.18

0.17

0.00

0.69

0.61

0.60

-0.22

0.59

0.29

0.20

0.33

0.61

0.47

0.43

0.23

 

(0.40, 0.56)

(0.29, 0.42)

(0.23, 0.34)

(0.10, 0.31)

(0.10, 0.36)

(0.09, 0.31)

(0.08, 0.30)

(-0.13, 0.12)

(0.50, 0.84)

(0.44, 0.77)

(0.42, 0.75)

(-0.37, 0.07)

(0.41, 0.76)

(0.19, 0.42)

(0.13, 0.30)

(0.13, 0.53)

(0.56, 0.67)

(0.42, 0.52)

(0.38, 0.48)

(0.14, 0.32)

  1. 1Includes dollar stores and discount department stores that do not have a full grocery section, such as Kmart, Target, and Wal-Mart.
  2. 2Includes meat markets, produce stands, bakeries, donuts, and ice cream.
  3. 3Includes fast food, full-service, and coffee shops.
  4. *(lower 95% confidence interval, upper 95% confidence interval).
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International Journal of Behavioral Nutrition and Physical Activity

ISSN: 1479-5868

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