Skip to main content

Table 2 Cumulative relative risk and 95 % confidence intervals associated with a 10 μg/m3 increase in PM2.5 concentration for all outcome groups, all age and gender strata

From: Repeating cardiopulmonary health effects in rural North Carolina population during a second large peat wildfire

ED visits related toa

Age/gender stratab

cRR

Lower 95 % CI

Upper 95 % CI

p-value & significancec

Respiratory/other chest symptoms

Youth

1.18

1.06

1.33

<0.01

**

Mid-age

1.05

0.99

1.11

0.13

 

Elderly

1.05

0.96

1.15

0.26

 

All adults

1.06

1.00

1.13

0.05

*

Female all adults

1.05

0.98

1.13

0.14

 

Male all adults

1.09

1.01

1.18

0.03

*

All-cause respiratory conditions

Youth

1.09

1.01

1.17

0.03

*

Mid-age

1.06

1.00

1.12

0.04

*

Elderly

0.94

0.87

1.02

0.15

 

All adults

1.04

0.99

1.09

0.13

 

Female all adults

1.06

1.00

1.12

0.05

°

Male all adults

1.03

0.96

1.11

0.45

 

Asthma

Youth

0.97

0.86

1.09

0.60

 

Mid-age

1.01

0.94

1.10

0.72

 

All adults

1.04

0.97

1.12

0.29

 

Female all adults

1.02

0.94

1.11

0.61

 

Male all adults

1.11

0.99

1.25

0.07

°

Chronic pulmonary conditions

Mid-age

1.03

0.93

1.14

0.53

 

Elderly

0.92

0.83

1.02

0.12

 

All adults

1.00

0.92

1.08

1.00

 

Female all adults

1.05

0.95

1.15

0.36

 

Male all adults

0.96

0.85

1.08

0.47

 

Upper respiratory infections

Youth

1.14

1.04

1.24

<0.01

**

Mid-age

1.15

1.07

1.24

<0.01

***

Elderly

0.64

0.39

1.05

0.08

°

All adults

1.13

1.05

1.22

<0.01

**

Female all adults

1.14

1.05

1.24

<0.01

**

Male all adults

1.13

0.99

1.29

0.07

°

All-cause cardiac conditions

Mid-age

1.07

0.99

1.17

0.09

°

Elderly

1.01

0.95

1.08

0.71

 

All adults

1.06

1.00

1.13

0.04

*

Female all adults

1.10

1.02

1.18

0.01

*

Male all adults

1.03

0.95

1.12

0.42

 

Cardiac dysrhythmia

Mid-age

1.06

0.94

1.19

0.37

 

Elderly

1.02

0.94

1.10

0.62

 

All adults

1.07

0.99

1.15

0.07

°

Female all adults

1.08

0.98

1.19

0.12

 

Male all adults

1.06

0.96

1.18

0.26

 

Heart failure

Mid-age

1.00

0.88

1.14

0.99

 

Elderly

0.92

0.84

1.01

0.09

 

All adults

0.97

0.89

1.06

0.50

 

Female all adults

1.01

0.91

1.12

0.87

 

Male all adults

0.93

0.82

1.06

0.29

 

Hypertension

Mid-age

1.03

0.98

1.09

0.19

 

Elderly

1.01

0.97

1.05

0.62

 

All adults

1.05

1.0

1.09

0.04

*

Female all adults

1.07

1.02

1.13

<0.01

**

Male all adults

1.03

0.97

1.09

0.36

 

Bone fractures

Youth

0.98

0.87

1.11

0.74

 

Mid-age

0.97

0.91

1.04

0.45

 

Elderly

1.01

0.89

1.15

0.90

 

All adults

1.06

0.97

1.15

0.20

 

Female all adults

1.00

0.93

1.08

0.99

 

Male all adults

1.03

0.9

1.19

0.67

 
  1. a See Table 1 for listings of ICD-9-CM codes included in each diagnosis group
  2. b See Table 1 for listing of ages included in each age group
  3. c Symbols refer to the level of significance: [°] 0.05 ≤ p < 0.1, [*] p < 0.05, [**] p < 0.01, [***] p < 0.001