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Table 3 Chloroquine prevalence in urines of children between two and nine years of age according to children characteristics.

From: Antimalarial drug use in general populations of tropical Africa

Variables

 

N*

CQ+†

Prevalence of

presence of CQ‡ %

crude OR

95%CI

p

Sex

Male

1524

618

41

1.00

   
 

Female

1528

644

42

1.07

0.90

1.26

0.458

Age

2–5 years old

1419

691

49

1.00

   
 

6–9 years old

1633

571

35

0.74

0.63

0.89

0.001

Fever during the preceeding 3 days

without

2252

852

38

1.00

   
 

with

800

410

51

1.24

1.02

1.50

0.032

Antimalarial treatment during the preceding 7 days

no

2652

995

38

1.00

   
 

yes

400

267

67

1.90

1.46

2.47

0.000

Travel during the preceding 30 days

no

2930

1203

41

1.00

   
 

yes

122

59

48

1.52

1.00

2.30

0.048

Malaria infection

no

974

466

48

1.00

   
 

yes

1939

718

37

0.60

0.49

0.74

0.000

Asexual Plasmodium falciparum infections

no

1094

518

47

1.00

   
 

yes

1819

666

37

0.61

0.50

0.75

0.000

  1. *N number of samples of urine, † CQ+ = number of samples with chloroquine in urines, ‡ CQ: Chloroquine.
  2. Logistic regression model with random effect taking into account the interdependency of observations made within the same site.