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Table 2 Heterogeneity of meteorological effects and its association with city-level factors

From: Short-term effects of meteorological factors on pediatric hand, foot, and mouth disease in Guangdong, China: a multi-city time-series analysis

Study-level variables

Cochran Q test

I2

Information criteria

Wald test

Q

P

%

AIC

BIC

Stat

P

Intercept-only

75.93

<0.001

63.12

66.67

85.32

-

-

Geographically factors

 Latitude

45.19

<0.001

46.89

67.08

88.29

26.58

<0.001

 Longitude

57.60

<0.001

58.34

78.88

100.09

17.60

<0.001

 Height

70.45

<0.001

65.93

106.96

128.16

2.09

0.72

Demographic factors

 Population density

66.15

<0.001

63.72

127.10

148.30

4.73

0.32

 The ratio of male to female

73.47

<0.001

67.33

91.38

112.59

2.37

0.67

 Ratio of children under five

68.90

<0.001

65.16

85.37

106.58

1.50

0.83

Socio-economic factors

 GDP per capita

68.19

<0.001

64.80

160.55

181.76

4.61

0.33

 Living space per capita

69.82

<0.001

65.63

91.71

112.92

3.33

0.50

 Ratio of population flow

66.72

<0.001

64.03

100.33

121.53

4.63

0.33

Significant factors

 Latitude and longitude

29.30

0.08

31.74

82.22

104.13

40.45

<0.001