Table 2 Number and per cent distribution of socio-demographic characteristics and malaria-risk factors of index and secondary cases detected during the FTAT, Amhara Region, Ethiopia
Low transmission, low importation | Low transmission, high importation | High transmission, low importation | ||||
|---|---|---|---|---|---|---|
Index cases | Secondary cases | Index cases | Secondary cases | Index cases | Secondary cases | |
P. falciparum or mixed (n = 18) n (%) | P. falciparum, P. vivax or mixed (n = 7) n (%) | P. falciparum or mixed (n = 141) n (%) | P. falciparum, P. vivax or mixed (n = 15) n (%) | P. falciparum or mixed (n = 61) n (%) | P. falciparum, P. vivax or mixed (n = 105) n (%) | |
Gender | ||||||
Female | 6 (33.3) | 4 (57.1) | 5 (3.6) | 3 (20.0)** | 16 (26.2) | 40 (38.1) |
Male | 12 (66.7) | 3 (42.9) | 136 (96.4) | 12 (80.0) | 45 (73.8) | 65 (61.9) |
Age (years) | ||||||
< 5 | 1 (5.6) | 1 (14.3) | 0 (0) | 3 (20.0)** | 1 (1.6) | 10 (9.5)** |
5–9 | 1 (5.6) | 2 (28.6) | 1 (0.7) | 1 (6.7) | 5 (8.2) | 27 (25.7) |
10–19 | 6 (33.3) | 1 (14.3) | 13 (9.2) | 1 (6.7) | 26 (42.6) | 35 (33.3) |
20–39 | 7 (38.9) | 2 (28.6) | 111 (78.7) | 9 (60.0) | 17 (27.9) | 31 (29.5) |
40–59 | 1 (5.6) | 1 (14.3) | 16 (11.4) | 1 (6.7) | 10 (16.4) | 2 (1.9) |
≥ 60 | 2 (11.1) | 0 (0) | 0 (0) | 0 (0) | 2 (3.3) | 0 (0) |
Occupation | ||||||
None | 2 (11.1) | 1 (14.3) | 0 (0) | 0 (0)** | 10 (16.4) | 15 (14.3)** |
Child < 10 years old | 2 (11.1) | 3 (42.7) | 1 (0.7) | 4 (26.7) | 6 (9.3) | 37 (35.2) |
Farmer | 11 (61.1) | 3 (42.7) | 132 (93.6) | 11 (73.3) | 32 (52.5) | 27 (25.7) |
Other | 3 (16.7) | 0 (0) | 8 (5.7) | 0 (0) | 13 (21.3) | 26 (24.8) |
Education | ||||||
None | 11 (61.1) | 3 (42.7) | 95 (67.4) | 8 (53.3)** | 39 (63.9) | 31 (29.5)** |
Child < 10 years old | 2 (11.1) | 3 (42.7) | 1 (0.7) | 0 (0) | 6 (8.8) | 37 (35.2) |
Primary School | 5 (27.8) | 0 (0) | 33 (27.0) | 3 (20.0) | 13 (21.3) | 36 (34.3) |
Secondary or higher | 0 (0) | 1 (14.3) | 7 (5.0) | 4 (26.7) | 3 (4.9) | 1 (1.0) |
Slept under a bed net past night | ||||||
No | 5 (27.8) | 3 (42.9) | 86 (61.0) | 5 (33.3)* | 9 (14.8) | 20 (19.1) |
Yes | 13 (72.2) | 4 (57.1) | 55 (39.0) | 10 (66.7) | 52 (85.3) | 85 (80.9) |
Travel history in past 30 days | ||||||
No | 16 (88.9) | 7 (100.0) | 15 (10.6) | 12 (80.0)** | 61 (100.0) | 105 (100.0) |
Yes | 2 (11.1) | 0 (0) | 126 (89.4) | 3 (20.0) | 0 (0) | 0 (0) |
HH received IRS in past 12 months | ||||||
No | 13 (72.2) | 5 (71.4) | 22 (15.6) | 6 (40.0)* | 61 (100.0) | 105 (100.0) |
Yes | 5 (27.8) | 2 (28.6) | 119 (84.4) | 9 (60.0) | 0 (0) | 0 (0) |
Received anti-malarial treatment in past 2 weeks | ||||||
No | – | 6 (85.7) | – | 15 (100.0) | – | 104 (99.1) |
Yes | – | 1 (14.3) | – | 0 (0) | – | 1 (0.9) |
Measured fever at time of diagnosis | ||||||
No | 15 (83.3) | 7 (100.0) | 76 (53.9) | 15 (100.0)** | 35 (57.4) | 97 (92.4)** |
Yes | 3 (16.7) | 0 (0) | 65 (46.1) | 0 (0) | 26 (42.6) | 8 (7.6) |
Travel history in past 30 days | ||||||
No | 16 (88.9) | 7 (100.0) | 139 (98.6) | 7 (46.7)** | 61 (100.0) | 105 (100.0) |
Yes | 2 (11.1) | 0 (0) | 2 (1.4) | 8 (53.3) | 0 (0) | 0 (0) |