Table 1. Characteristics and incidence rates in the villages of Dielmo and Ndiop—January 2012–December 2013.
Overall | Dielmo | Ndiop | ||||
---|---|---|---|---|---|---|
N (%) | n | (%) | n | (%) | p-value | |
Nb of inhabitants | 1,036 | 495 | (48) | 541 | (52) | |
Nb of follow-up days | 529,279 | 275,068 | (52) | 254,211 | (48) | |
Nb of patients | 543 | 271 | (50) | 272 | (50) | |
Sex | ||||||
Male | 261 (48) | 140 | (52) | 121 | (44) | 0.40* |
Female | 282 (52) | 131 | (48) | 151 | (56) | |
Nb of fever episodes | 1129 | 586 | (52) | 543 | (48) | |
Age | ||||||
Median | 6.6 | 6.2 | 6.8 | 0.86♭ | ||
IQR | [12.1] | [11.9] | [12.5] | |||
Age groups | ||||||
[0–6months) | 21 (2) | 12 | (2) | 9 | (2) | 0.60* |
[6–24months) | 203 (18) | 109 | (19) | 94 | (17) | |
[2–5 years) | 237 (21) | 130 | (22) | 107 | (20) | |
[5–10 years) | 249 (22) | 131 | (22) | 118 | (22) | |
[10–15 years) | 143 (13) | 69 | (12) | 74 | (14) | |
[15–20 years) | 97 (9) | 45 | (8) | 52 | (10) | |
[20–50years) | 139 (12) | 66 | (11) | 73 | (13) | |
> = 50years | 40 (4) | 24 | (4) | 16 | (3) | |
Nb of fever episodes | ||||||
1 | 268 | 128 | (49) | 140 | (52) | 0.25* |
2 | 129 | 67 | (25) | 62 | (23) | |
3 | 60 | 28 | (11) | 32 | (12) | |
4 | 45 | 20 | (8) | 25 | (9) | |
5 | 18 | 15 | (6) | 5 | (2) | |
6 and more | 11 | 5 | (2) | 6 | (2) | |
Fever incidence rate (100 pers-year) | 77.9 | 77.8 | 78.0 | 0.73♮ | ||
Nb of ILI | 598 | 341 | (57) | 257 | (43) | |
ILI incidence rate (100 pers-year) | 41.3 | 45.3 | 36.9 | 0.09♮ | ||
Nb of influenza-positive samples | 239 | 105 | (44) | 134 | (56) | |
Influenza incidence rate (100 pers-year) | 16.5 | 13.9 | 19.2 | 0.26♮ | ||
Nb of malaria-positive tests | 178 | 72 | (40) | 106 | (60) | |
Malaria incidence rate (100 pers-year) | 12.3 | 9.6 | 15.2 | 0.12♮ |
* Chi-squared test ♭Student's t-test ♮negative binomial regression univariate analysis