Table 2 Health-related data and laboratory examinations
Variables | Uninfected (n  = 171, 87.7%)a | P. falciparum infection (n  = 24, 12.3%)a | p |
|---|---|---|---|
n (%) | n (%) | ||
Age (n  = 191) | |||
 Mean (SD) | 27.6 (SD 5.88) | 24.9 (7.19) | 0.045b |
Anaemia (n  = 193) | |||
 Mean haemoglobin levels (SD) | 11.26 (1.45) | 10.89 (1.13) | 0.231b |
Gravidity (n  = 194) | |||
 Multigravidae | 128 (75.3%) | 13 (54.2%) |  |
 Primigravidae | 42 (24.7%) | 11 (45.8%) | 0.030c |
Gestational age (n  = 195) | |||
 1st trimester (1–14 weeks) | 59 (34.5%) | 10 (41.7%) |  |
 2nd trimester (15–28 weeks) | 100 (58.5%) | 11 (45.8%) |  |
 3rd trimester (≥ 29 weeks) | 12 (7.0%) | 3 (12.5%) | 0.423c |
Fever (n  = 188) | |||
 No | 164 (98.2%) | 18 (85.7%) |  |
 Yes, ≥ 38 °C at point of enrolment | 3 (1.8%) | 3 (14.3%) | 0.019d |
Anti-malarial use (n  = 195) | |||
 Not in the current pregnancy | 123 (71.9%) | 17 (70.8%) |  |
 Yes in the current pregnancy | 48 (28.1%) | 7 (29.2%) | 0.911c |
Tuberculosis (n  = 195) | |||
 Not on TB treatment | 170 (99.4%) | 23 (95.8%) |  |
 Self-reported on TB treatment | 1 (0.6%) | 1 (4.2%) | 0.232d |
HIV rapid test (n  = 167) | |||
 Confirmed negative test | 143 (97.9%) | 19 (90.5%) |  |
 Confirmed positive test | 3 (2.0%) | 2 (9.5%) | 0.119d |
Syphilis rapid test (n  = 160) | |||
 Confirmed negative test | 140 (100.0%) | 19 (95.0%) |  |
 Confirmed positive test | 0 (0.0%) | 1 (5.0%) | 0.125d |
ITN (n  = 195) | |||
 Did not used an ITN the preceding night | 123 (71.9%) | 16 (66.7%) |  |
 Slept under an ITN the preceding night | 48 (28.1%) | 8 (33.3%) | 0.594c |
Education completed (n  = 186) | |||
 None | 25 (14.6%) | 3 (12.5%) |  |
 Primary | 24 (14.0%) | 2 (8.3%) |  |
 Secondary | 97 (56.7%) | 16 (66.7%) |  |
 Tertiary | 1 (0.6%) | 0 (0.0%) |  |
 University | 17 (9.9%) | 1 (4.2%) | 0.800c |
Current occupation (n  = 194) | |||
 Professional/technological | 12 (7.0%) | 2 (8.3%) |  |
 Sales/services: self-employed | 62 (36.3%) | 6 (25.0%) |  |
 Sales/services: salaried | 12 (7.0%) | 2 (8.3%) |  |
 Skilled/unskilled manual | 14 (8.2%) | 1 (4.2%) |  |
 Clerical | 4 (2.3%) | 0 (0.0%) |  |
 Student (no other paid occupation) | 43 (25.2%) | 9 (37.5%) |  |
 Unemployed | 23 (13.5%) | 4 (16.7%) | 0.420c |