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Table 2 Socio-economic factors associated with pfcrt T76 mutation

From: High frequency of Plasmodium falciparum chloroquine resistance marker (pfcrt T76 mutation) in Yemen: An urgent need to re-examine malaria drug policy

Variable

P.f n

Pfcrt T76 n (%)

OR

95% CI

P value#

Age (years)

     

   ≤ 10

32

20 (63)

9.2

2.3-36.2

0.001‡

   >10

49

46 (94)

   

Sex

     

   Male

51

42 (82)

1.16

0.37-3.71

0.506

   Female

30

24 (80)

   

Residence

     

   Rural

66

54 (82)

1.12

0.07-4.6

0.56

   Urban

15

12 (80)

   

Household income

     

   High (≥ 100 US dollars/month)

11

6 (55)

5

1.3-19.5

0.027‡

   Low (< 100 US dollars/month)

70

60 (86)

   

Quality of housing*

     

   Good

71

57 (80)

2.21

0.25-18.92

0.408

   Bad

10

9 (90)

   

Clothes

     

   Long (covering arms and legs)

27

24 (89)

0.26

0.06-1.3

0.068

   Short

54

42 (78)

   

Insecticide spray

     

   Yes

28

19 (68)

3.7

1.16-11.86

0.025

   No

53

47 (89)

   

Using ITNs

     

   Yes

35

24 (69)

4.8

1.38-16.78

0.01

   No

46

42 (91)

   

Water stream (≤ 200 m of household)

     

   Yes

49

39 (80)

0.72

0.22-2.35

0.407

   No

32

27 (84)

   

Closing house windows

     

   Yes

35

28 (80)

1.18

0.38-3.66

0.492

   No

46

38 (83)

   
  1. n: number of subjects
  2. ‡ Confirmed as a significant risk factor by logistic regression
  3. *Good housing condition was defined as being complete, made up of stones/bricks with no opening or holes. Bad housing condition did not have all these characteristics.