Table 1 Characteristics of 240 participants enrolled in malaria incidence study on Bioko Island, Equatorial Guinea (number (%))
Variable | Total | Age groups | ||
|---|---|---|---|---|
6 to 59 months n = 79 | 5 to 17 years n = 81 | 18 to 45 years n = 80 | ||
Median age in years (range) | 9.80 (1.02, 42.51) | 2.65 (1.02, 4.9) | 9.67 (5.01, 17.66) | 29.58 (18.3, 42.5) |
Sex | ||||
 Male | 114 (47.5) | 37 (46.8) | 40 (49.4) | 37 (46.3) |
 Female | 126 (52.5) | 42 (53.2) | 41 (50.6) | 43 (53.8) |
Area | ||||
 Area I | 53 (22.1) | 18 (22.8) | 18 (22.2) | 17 (21.3) |
 Area II | 63 (26.3) | 27 (34.2) | 21 (25.9) | 15 (18.8) |
 Area III | 59 (24.6) | 10 (12.7) | 19 (23.5) | 30 (37.5) |
 Area IV | 65 (27.1) | 24 (30.4) | 23 (28.4) | 18 (22.5) |
Household SES | ||||
 Lower | 68 (28.3) | 17 (21.5) | 23 (28.4) | 28 (35) |
 Upper lower | 31 (12.9) | 14 (17.7) | 07 (8.6) | 10 (12.5) |
 Middle | 51 (21.3) | 25 (31.6) | 14 (17.3) | 12 (15.0) |
 Upper middle | 43 (17.9) | 13 (16.5) | 16 (19.8) | 14 (17.5) |
 Upper | 47 (19.6) | 10 (12.7) | 21 (25.9) | 16 (20.0) |
Use bed net as vector control | 239 (99.6) | 79 (100) | 80 (98.8) | 80 (100) |
Clear vegetation around the house | 185 (77.1) | 61 (77.2) | 59 (72.8) | 65 (81.3) |
Drying standing water | 157 (65.4) | 59 (74.7) | 54 (66.7) | 44 (55.0) |
TBS positive before enrollmentb | 15 (6.3) | 2 (2.5) | 9 (11.1) | 4 (5) |
Haemoglobin level (mean ± SD) | ||||
 Male | 11.9 ± (1.7) | 10.7 ± (0.9) | 11.4 ± (1.3) | 13.6 ± (1.4) |
 Female | 10.9 ± (1.3) | 10.6 ± (1.2) | 11.0 ± (1.3) | 11.1 ± (1.3) |
Creatinine level in mg/dL (median, range)a | 0.47 (0.2, 2.04) | 0.29 (0.20, 0.49) | 0.49 (0.27, 0.80) | 0.76 (0.23, 2.04) |
Glucose level in mg/dL (median with range) | 86 (61, 154) | 88 (63, 154) | 86 (62, 134) | 84 (61, 147) |