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Table 4 Descriptive statistics for supermarket access, 2005

From: Mapping the evolution of 'food deserts' in a Canadian city: Supermarket accessibility in London, Ontario, 1961–2005

 

Number of supermarkets within 1000 m

Nearest supermarket (metres)

% population with access 1000 m

% population with bus access

Low Distress

    

Mean

0.31

1294

30.3%

81.6%

Median

0.24

1209

25.6%

79.5%

Std. Deviation

0.26

430

23.7%

15.7%

Variance

0.07

184470

5.6%

2.5%

Percentiles

 

   5

0.00

681

0.0%

44.7%

   10

0.01

768

0.0%

59.8%

   25

0.11

983

10.4%

73.2%

   50

0.24

1209

25.6%

79.5%

   75

0.41

1495

49.2%

98.9%

   90

0.70

2100

66.7%

99.8%

   95

0.96

2204

78.3%

100.0%

Moderate Distress

    

Mean

0.24

1280

27.5%

79.9%

Median

0.11

1304

19.2%

87.7%

Std. Deviation

0.29

496

27.4%

22.3%

Variance

0.08

246379

7.5%

5.0%

Percentiles

 

   5

0.00

468

0.0%

24.8%

   10

0.00

648

0.0%

41.5%

   25

0.00

830

4.6%

67.6%

   50

0.11

1304

19.2%

87.7%

   75

0.45

1553

45.8%

98.1%

   90

0.78

1593

70.8%

99.9%

   95

0.80

2447

90.1%

100.0%

High Distress

    

Mean

0.26

1347

23.8%

86.4%

Median

0.07

1261

23.3%

91.5%

Std. Deviation

0.36

431

24.7%

14.1%

Variance

0.13

186169

6.1%

2.0%

Percentiles

 

   5

0.00

613

0.0%

45.8%

   10

0.00

808

0.0%

71.6%

   25

0.00

1042

0.0%

76.1%

   50

0.07

1261

23.3%

91.5%

   75

0.34

1664

33.5%

96.8%

   90

0.95

1976

58.4%

99.2%

   95

1.26

2137

89.2%

99.9%