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Table 4 Mean daily emergency department presentations and relative risks by demographic characteristics, December to February 2000 to 2012

From: The impact of heatwaves on emergency department visits in Brisbane, Australia: a time series study

 

HWD1

HWD2

 

Non-hot

Single hot

Heatwave

RR*

Non-hot

Single hot

Heatwave

RR*

Gender

        

Female

0.19

0.89

1.60

4.55

0.21

4.00

5.60

17.79

  (95% CI)

(0.16, 0.22)

(0.30, 1.49)

(0.40, 2.80)

(3.13, 6.61)

(0.18, 0.24)

(2.04, 5.96)

(−0.55, 11.75)

(9.76, 32.43)

Male

0.27

0.89

2.23

5.32

0.31

0.50

7.00

19.65

  (95% CI)

(0.23, 0.31)

(0.18, 1.61)

(0.97, 3.49)

(3.83, 7.38)

(0.27, 0.35)

(−0.48, 1.48)

(1.06, 12.94)

(11.22, 34.42)

Age group, years

        

0 to 14

0.06

0.11

0.2

3.00

0.06

0.50

0.80

29.85

  (95% CI)

(0.04, 0.08)

(−0.03, 0.25)

(0.03, 0.37)

(1.19, 7.56)

(0.05, 0.07)

(−0.48, 1.48)

(0.07, 1.53)

(7.27, 122.56)

15 to 64

0.29

1.26

1.63

3.64

0.32

3.50

4.00

7.49

  (95% CI)

(0.25, 0.33)

(0.58, 1.94)

(0.87, 2.39)

(2.56, 5.18)

(0.28, 0.36)

(2.52, 4.48)

(0.78, 7.22)

(3.93, 14.25)

65 to 74

0.05

0.26

0.67

7.29

0.06

0

2.20

23.54

  (95% CI)

(0.04, 0.06)

(0.01, 0.51)

(0.25, 1.09)

(3.93, 13.53)

(0.04, 0.08)

--

(0.63, 3.77)

(8.99, 61.69)

75+

0.07

0.16

1.33

9.17

0.08

0.50

5.60

37.55

  (95% CI)

(0.05, 0.09)

(−0.01, 0.33)

(0.01, 2.65)

(5.45, 15.44)

(0.06, 0.1)

(−0.48, 1.48)

(−1.67, 12.87)

(18.34, 76.86)

Indigenous status

       

Indigenous

0.01

0

0.03

1.63

0.01

0

0

0

  (95% CI)

(0, 0.02)

--

(−0.04, 0.1)

(0.14, 19.13)

(0, 0.02)

--

--

--

Non-indigenous

0.44

1.79

3.77

4.91

0.50

4.50

12.40

18.28

  (95% CI)

(0.39, 0.49)

(0.95, 2.63)

(1.4, 6.14)

(3.82, 6.31)

(0.44, 0.56)

(3.52, 5.48)

(0.71, 24.09)

(11.85, 28.22)

  1. *Relative risk, heatwave days versus non-heatwave days (non-hot + single hot), controlled for relative humidity, particulate matter with <10 micrometers in aerodynamic diameter, ozone, nitrogen dioxide, day of week and long-term trends. -- not applicable.