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. Author manuscript; available in PMC: 2012 Feb 17.
Published in final edited form as: Vaccine. 2011 Jan 6;29(9):1801–1811. doi: 10.1016/j.vaccine.2010.12.099

Table 1.

Summary of the epidemiological characteristics of studied individuals enrolled in this work

Epidemiological characteristics
 Gender a
 Male (n) 158
 Female (n) 124
 TOTAL (n) 282
Age (Mean ± SD) 36.1 + 16.9
Time of residence in malaria endemic area (Mean ± SD) 28.5 + 17.0
Number of past malaria infections (Mean ± SD) 7.0 + 9.1
Number of malaria infections in the last 6 months (Mean ± SD) 0.5 + 1.1
Past months since the last malaria infection (Mean ± SD) 41.0 + 50.1
Hospitalization in malaria past infections b (n/%) 56 / 19.8%
Use of prophylactic measures e 131 / 46.5%
Previous malaria species contracted c
 Negative (n) 33 / 11.8%
P. vivax (n) 56 / 20%
P.falciparum (n) 34 / 12.1%
 Both species (n) 148 / 52.9% d
a

Differences in gender proportions were not statistically significant. Χ2=1,4201; p=0,2222

b

We could not determine if clinical criteria were compatible with severe malaria,

c

11 (3,2%) individuals did not remember the previous malaria parasite species contracted

d

Bold typeface indicates that the prevalence was significantly higher when compared with all other observations (P<0.0001)

e

Were considered as prophylactic measure; i.e., the use of residual insecticide, bednets or insect repellent