Table 2 Results of the multilevel logistic regression model showing different variables and their association with IgG antibodies to PvMSP1 N- and C- termini in samples from Brazil (Rio Machado) and Papua New Guinea (Madang).

PvMSP N-terminus

Classification

   Non infected

1

1

(1.00-1.08)

   Symptomatic

1.29

(0.13-12.66)

1.00

(0.37-2.69)

   Asymptomatic

1.53

(0.38-6.20)

0.835

1.26

(0.38-4.20)

0.911

Sex

   Female

1

   Male

0.26

(0.05-1.27)

0.096

n.d

Age (years)

   Unit increment

1.04

(0.99-1.10)

0.113

1.01

(0.98-1.03)

0.607

PvMSP1C-terminus

Classification

   Non infected

1

1

   Asymptomatic

0.40

(0.13-1.28)

1.24

1.91

(0.76-4.79)

   Symptomatic

2.25

(0.71-7.14)

0.283

Sex

   Female

1

   Male

1.65

(0.60-4.55)

0.336

n.d

Age

   Unit increment

1.04

(1.00-1.08)

0.046

0.97

(0.95-0.99)

0.013