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Table 5 Factors associated with the report of personal malaria protection in surveys (individual level)

From: The use of mosquito repellents at three sites in India with declining malaria transmission: surveys in the community and clinic

 

Any repellent

Vaporizer

Coil

 

Risk ratio (95 % CI)

P

Risk ratio (95 % CI)

P

Risk ratio (95 % CI)

P

Chennai Survey

 At least Secondary education

1.28 (1.09–1.50)

0.002

ns

 

ns

 

 Socio-economic status

  High

ns

 

1.62 (0.90–2.91)

0.106

0.12 (0.04–0.40)

0.001

  2

  

1.79 (1.04–3.09)

0.036

0.59 (0.30–1.16)

0.126

  3

  

1.81 (1.05–3.13)

0.034

0.58 (0.30–1.13)

0.110

  4

  

1.75 (1.02–3.02)

0.043

0.92 (0.52–1.64)

0.775

  Low

  

Reference

 

Reference

 

Nadiad Survey

 Socio-economic status

  High

4.45 (2.90–6.82)

< 0.001

15.83 (5.68–44.13)

< 0.001

4.18 (2.13–8.21)

< 0.001

  2

4.30 (2.82–6.56)

< 0.001

20.00 (7.43–53.87)

< 0.001

3.73 (1.87–7.43)

< 0.001

  3

3.13 (1.93–5.08)

< 0.001

6.75 (1.97–23.20)

0.002

3.80 (1.91–7.56)

< 0.001

  4

1.33 (0.76–2.34)

0.315

3.22 (1.03–10.00)

0.044

1.90 (0.91–3.96)

0.087

  Low

Reference

 

Reference

 

Reference

 

Raurkela Survey

 At least secondary education

ns

 

0.40, 0.20–0.81

0.010

2.08, 0.96–4.51

0.064

 Socio-economic status

  High

2.41 (1.46–3.97)

0.001

ns

 

21.95 (8.12–59.32)

< 0.001

  2

1.03 (0.45–2.37)

0.945

  

5.18 (1.40–19.16)

0.014

  3

0.83 (0.58–1.19)

0.316

  

1.61 (0.59–4.37)

0.348

  4

0.79 (0.61–1.03)

0.087

  

0.95 (0.38–2.40)

0.915

  Low

Reference

 

Reference

 

Reference

 

 Rainy season

ns

 

ns

 

3.27 (1.55–6.89)

0.002

 ITN use

2.71 (2.14–3.44)

< 0.001

3.79 (2.91–4.92)

< 0.001

0.20 (0.06–0.66)

0.008

  1. Abbreviations: ITN, insecticide treated net; NS, not significant
  2. Note: multivariate analysis adjusted for clustering at the household level
  3. For tables with univariate analyses see Additional file 1: Tables S5a–c