Table 1. Characteristics of study arms.
| Factors averaged over trapping seasons | Control (n=96) | Screened Ceiling (n=178) | Full Screening (n=188) |
|---|---|---|---|
| Number of trapping room occupants | 4.2 (4.0-4.4) | 4.1 (3.9-4.2) [2] | 4.1 (4.0-1.2) [1] |
| Use of incense a | 28% (21-36) | 29% (23-34) | 28% (23-34) |
| Mosquito coil use | 2% (0-3) | 2% (1-3) | 1% (0-2) |
| Number of horses tethered near house | 0.9 (0.7-1.1) | 0.9 (0.7-1.0) [2] | 0.9 (0.8-1.0) [1] |
| Time to bed b | 21:50h (21:34-22:06) | 21:49h (21:36-22:02) | 21:47h (21:34-22:00) |
| Factors measured at end of trapping seasons | Control (n=163) | Screened Ceiling (n=277) | Full Screening (n=315) |
| Females | 48% [1] | 47% [5] | 49% [2] |
| Ethnicity | 49% Wollof 41% Fula 10% Mandinka [1] |
46% Wollof 42% Fula 9% Mandinka 3% Other [5] |
54% Wollof 34% Fula 8% Mandinka 4% Other [2] |
| Age (months) | 68 (63-74) [2] | 66 (62-70) [5] | 69 (65-73) [2] |
| Socio-economic status score | 3.6 (3.4-3.9) [1] | 3.5 (3.3-3.7) [12] | 3.8 (3.6-3.9) [9] |
| Use of untreated bednet in good condition c | |||
| 18% | 12% | 13% | |
| Use of treated bednet | 35% | 25% | 31% |
Data are arithmetic mean (95% CI) or % frequency, [missing cases].
a
churai,
b
control n=69, screened ceiling n=89, full screening n=94.
c
net intact or with no more than 5 ≤2cm diameter holes, that was long enough to tuck under mattress.