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Table 1 Epidemiological characteristics of study participants

From: Evaluating seroprevalence to circumsporozoite protein to estimate exposure to three species of Plasmodium in the Brazilian Amazon

  

Malaria diagnosis

  
 

Positive

Negative

Total

P-value

n = 98

n = 259

n = 357

Gender n (%)

Female

30 (19.4)

125 (80.6)

155 (43.4)

0.003

Male

68 (33.7)

134 (66.3)

202 (56.6)

Age (years)

 

30.2 ± 11.6

30.5 ± 15.5

30.4 ± 14.5

0.862

Time of residence in endemic area

 

25.6 ± 11.5

24.2 ± 13.1

24.5 ± 12.7

0.352

Previous malaria infection

 

7.7 ± 12.4

11.7 ± 15.2

10.6 ± 14.5

0.021

Time since last malaria infection

 

29.7 ± 69.4

41.6 ± 66.7

38.3 ± 67.5

0.137

Previous Plasmodium species

P. vivax

 

35 (47.3)

71 (32.0)

106 (35.8)

 

P. falciparum

 

1 (1.4)

13 (5.9)

14 (4.7)

0.236

P. vivax/P. falciparum

 

38 (51.3)

137 (61.6)

175 (59.1)

 

Current Plasmodium species

P. vivax

 

71 (72.5)

 

P. falciparum

 

26 (26.5)

< 0.0001

P. vivax/P. falciparum

 

1 (1.0)

 
  1. Gender: n (%); Age: mean ± SD; Time of residence in endemic area (years): mean ± SD; Previous malaria infection: mean ± SD; Time since the last malaria infection (months): mean ± SD; Previous Plasmodium species: n (%); Current Plasmodium species: n (%)