Table 2 Unadjusted and adjusted 1 relative risk of positive RDT result among family and neighbours of index cases across residence, sex, age, occupation, recent travel history, and bed net use
From: Case investigation and reactive case detection for malaria elimination in northern Senegal
N | RDT-positive | Unadjusted RR | Adjusted RR1 | ||
|---|---|---|---|---|---|
n (%) | (95% CI) | (95% CI) | |||
Residence – compound | |||||
Index case | 1,076 | 14 | (1.3) | 6.42 (2.79-14.80)*** | 3.18 (1.21-8.39)* |
Neighbouring | 4,444 | 9 | (0.2) | ref | ref |
Sex | |||||
Male | 2,735 | 17 | (0.6) | 2.88 (1.14-7.29)* | 1.58 (0.55-4.52) |
Female | 2,779 | 6 | (0.2) | ref | ref |
Age | |||||
0-4 | 1,011 | 1 | (0.1) | ref | -- |
5-14 | 1,468 | 6 | (0.4) | 4.13 (0.50-34.28) | -- |
15-24 | 1,151 | 6 | (0.5) | 5.27 (0.64-43.71) | -- |
25-49 | 1,336 | 8 | (0.6) | 6.05 (0.76-48.33) | -- |
50+ | 511 | 1 | (0.2) | 1.98 (0.12-31.57) | -- |
Occupation among people age 15+ | |||||
Not employed outside of the home | 1,019 | 2 | (0.2) | ref | -- |
Student | 518 | 4 | (0.8) | 3.93 (0.72-21.40) | -- |
Agriculture and/or animal husbandry | 186 | 0 | (0.0) | 0.0 | -- |
Unskilled labourer | 209 | 2 | (1.0) | 4.87 (0.69-34.41) | -- |
Skilled labourer | 191 | 1 | (0.5) | 2.67 (0.24-29.27) | -- |
Skilled professional | 74 | 0 | (0.0) | 0.0 | -- |
Merchant | 286 | 3 | (1.1) | 5.34 (0.90-31.82) | -- |
Other | 123 | 1 | (0.8) | 4.14 (0.38-45.35) | -- |
Travel within the previous 15 days | |||||
Any travel | 83 | 13 | (15.7) | 85.16 (38.44-188.67)*** | --- |
No travel | 5,437 | 10 | (0.2) | ref | --- |
Travel within Saint-Louis region (home region) | 32 | 1 | (3.1) | 7.80 (1.08-56.10)* | 9.57 (2.32-39.45)** |
None within the region | 5,488 | 22 | (0.4) | ref | ref |
Travel within Dakar region | 19 | 2 | (10.5) | 27.57 (6.95-109.47)*** | 19.93 (4.02-98.83)*** |
None within the region | 5,501 | 21 | (0.4) | ref | ref |
Travel within other region in Senegal | 30 | 10 | (33.3) | 140.77 (67.01-295.72)*** | 94.30 (34.24-259.69)*** |
None within other regions | 5,490 | 13 | (0.2) | ref | ref |
Travel to neighbouring countries | 3 | 1 | (33.3) | 83.59 (15.99-436.96)*** | omitted |
None to neighbouring countries | 5,517 | 22 | (0.4) | ref | --- |
Bed net use the previous night | |||||
No | 387 | 5 | (1.3) | 3.64 (1.36-9.76)* | 1.90 (0.58-6.18) |
Yes | 5,077 | 18 | (0.4) | ref | ref |
Total | 5,5202 | 23 | (0.4) | -- | -- |