Skip to main content

Table 5 Descriptive statistics of physical environment attributes within 200 m buffer area (n = 284)

From: A GIS based approach to neighbourhood physical environment and walking among adults in Colombo municipal council area, Sri Lanka

Physical environment attributes

Unit

Mean

Standard error of mean

Standard Deviation

Skewness

Kurtosis

Density measures within a 200 m buffer area

 Housing density

Houses/km2

3647.8

119.9

2021.2

0.5

−0.8

 Population density

Persons/km2

20,286.2

728.0

12,269.08

0.5

−0.9

Density measures per residential area within a 200 m buffer area

 Housing density

Houses/km2

203,563.8

175,692.3

255,602.3

16.8

282.2

 Population density

Persons/km2

989,235.0

844,940.0

142,141.7

16.8

282.2

Land use measures

 Number of buildings within the total buffer area

Units

141.6

4.6

78.1

1.8

2.1

 Building foot print area within the total buffer area

Units

0.1

0.0

0.0

1.3

2.1

Access and connectivity

 Length of major roads within the total buffer area

m

544.9

26.0

439.6

0.2

−1.1

 Length of minor roads within the total buffer area

m

2607.2

36.1

608.6

−0.1

−1.3

 Number of intersections within the total buffer area

Units

12.3

0.5

7.9

0.7

−0.3

 Number of bus stops within the total buffer area

Units

18.5

0.6

10.4

0.9

0.11