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Table 2 Data summary of the analytical dataset

From: The associations between social, built and geophysical environment and age-specific dementia mortality among older adults in a high-density Asian city

Dementia deaths

Dementia deaths

All-cause deaths

All decedents

Old-old

Mid-old

Young-old

All decedents

Old-old

Mid-old

Young-old

Regional air pollution (µg/m3)

32.9

32.9

33.1

32.7

32.4

32.4

32.5

32.5

Traffic-related air pollution (µg/m3)

9.6

9.6

9.7

9.4

9.2

9.2

9.2

9.3

Day with high temperature (%)

7.2

7.3

6.9

8.8

7.0

7.0

7.1

7.1

Day with low temperature (%)

5.9

6.0

6.3

3.1

6.4

6.8

6.3

6.2

Daily PM10 (µg/m3)

46.3

46.3

46.7

43.6

47.9

47.8

48.0

47.8

Daily NOx (µg/m3)

90.4

90.7

89.7

91.2

93.1

93.1

93.1

92.9

Daily O3 (µg/m3)

42.4

42.6

42.2

40.7

41.7

41.8

41.8

41.4

RH

78.3

78.3

78.4

78.7

77.9

77.9

77.8

77.8

Percent of no sky view (%)

28.4

28.3

28.9

27.5

29.0

29.3

28.9

28.4

NDVI

− 0.05

− 0.05

− 0.06

− 0.03

− 0.03

− 0.03

− 0.03

− 0.02

Percent of low education (%)

26.8

26.7

27.0

26.8

26.8

32.7

27.2

27.2

Percent of non-Cantonese (%)

11.6

11.7

11.5

11.7

11.8

12.3

11.6

11.4

Economically inactive (%)

93.9

94.1

93.5

93.9

93.9

94.8

94.3

91.2

Unmarried (%)

75.7

81.6

63.6

56.1

59.3

73.9

53.5

41.4

Age

88.0

91.8

80.5

71.1

82.1

90.3

79.8

70.2

Male (%)

39.2

30.7

55.2

76.8

53.3

39.9

59.0

68.7