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Table 2 Characteristics of study population by malaria trajectory (N = 657)

From: A longitudinal cohort study of malaria exposure and changing serostatus in a malaria endemic area of rural Tanzania

 

000 (N = 518)

001 (N = 69)

010 (N = 24)

100 (N = 19)

011 (N = 13)

101 (N = 6)

110 (N = 4)

111 (N = 4)

Age at baseline

 Mean (SD)

14.77 (16.06)

13.94 (13.95)

13.61 (13.49)

21.79 (22.73)

8.00 (8.40)

12.50 (10.39)

6.75 (3.77)

8.00 (4.24)

Gender

 Male

194 (37.5%)

32 (46.4%)

11 (45.8%)

8 (42.1%)

8 (61.5%)

2 (33.3%)

1 (25.0%)

4 (100.0%)

 Female

324 (62.5%)

37 (53.6%)

13 (54.2%)

11 (57.9%)

5 (38.5%)

4 (66.7%)

3 (75.0%)

0 (0.0%)

Seropositive at any time point (AMA-1)

 N (%)

251 (48.5%)

47 (68.1%)

15 (62.5%)

14 (73.7%)

10 (76.9%)

6 (100.0%)

4 (100.0%)

4 (100.0%)

Seropositive at any time point  (MSP-1)

 N (%)

231 (44.6%)

49 (71.0%)

20 (83.3%)

14 (73.7%)

6 (46.2%)

4 (66.7%)

2 (50.0%)

0 (0.0%)

  1. 0 no detectible infection, 1 detected infection (e.g., 001 denotes no detectible infection in 2011 and 2012, then an infection detected in 2013; etc.)