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Table 2 Age- and sex-adjusted associations between self-poisoning and exposure variables

From: Self-poisoning in rural Sri Lanka: small-area variations in incidence

  

TOTAL 2002

PESTICIDES 2002

NON-PESTICIDES 2002

Exposure

 

IRR1

95CI

p-value2

IRR1

95CI

p-value2

IRR1

95CI

p-value2

Housing Score 3

[0]

1

  

1

  

1

  
 

[1]

0.73

(0.56–0.96)

 

0.71

(0.52–0.97)

 

0.79

(0.56–1.12)

 
 

[2]

0.72

(0.53–0.98)

 

0.82

(0.58–1.16)

 

0.63

(0.42–0.95)

 
 

[3-4]

0.65

(0.51–0.84)

0.003

0.90

(0.68–1.20)

0.817

0.43

(0.30–0.62)

<0.001

Education 4

(29–54%)

1

  

1

  

1

  
 

(22–28%)

0.83

(0.64–1.07)

 

0.78

(0.58–1.04)

 

0.90

(0.63–1.27)

 
 

(17–21%)

0.63

(0.48–0.82)

 

0.57

(0.42–0.77)

 

0.71

(0.50–1.02)

 
 

(6–16%)

0.61

(0.46–0.82)

<0.001

0.76

(0.55–1.05)

0.015

0.43

(0.27–0.67)

0.002

Unemployment

(0–4%)

1

  

1

  

1

  
 

(5–7%)

1.23

(0.92–1.64)

 

1.13

(0.83–1.54)

 

1.45

(0.96–2.19)

 
 

(8–10%)

1.23

(0.90–1.69)

 

1.07

(0.75–1.51)

 

1.52

(0.97–2.38)

 
 

(11–27%)

1.29

(0.96–1.72)

0.147

0.95

(0.68–1.33)

0.609

1.90

(1.26–2.86)

0.004

Agricultural Population

(5–44%)

1

  

1

  

1

  
 

(45–62%)

0.77

(0.59–0.99)

 

0.78

(0.58–1.05)

 

0.80

(0.57–1.12)

 
 

(63–73%)

0.72

(0.54–0.95)

 

0.88

(0.64–1.21)

 

0.56

(0.38–0.83)

 
 

(74–94%)

0.59

(0.45–0.78)

0.002

0.80

(0.59–1.08)

0.396

0.41

(0.28–0.61)

<0.001

Agricultural land-use

(0–44%)

1

  

1

  

1

  
 

(45–86%)

1.92

(1.44–2.56)

 

1.61

(1.17–2.20)

 

2.44

(1.59–3.74)

 
 

(87–98%)

1.17

(0.87–1.57)

 

0.83

(0.59–1.17)

 

1.78

(1.15–2.76)

 
 

(99–100%)

1.17

(0.88–1.56)

0.374

0.99

(0.72–1.36)

0.357

1.59

(1.03–2.44)

0.013

  1. 1 All IRRs are adjusted for age and sex
  2. 2 p-values are given for the association with the uncategorised variables. IRRs are given for each quartile of the exposure variable
  3. 3 Housing score: a higher score denotes higher housing deprivation, i.e. poorer quality housing indicating lower socioeconomic status
  4. 4 Education: percentage of the population above 15 yrs of age having completed secondary school, i.e. a lower percentage indicating lower socioeconomic status