Table 5 Household level mosquito risk and prevention methods in 820 households from two districts of Meghalaya state, India
Characteristic | West Jaintia Hills (N = 468) | West Khasi Hills (N = 352) |
|---|---|---|
Mosquitoes present in house | ||
 Yes, always | 263 (56.2%) | 109 (31.0%) |
 Yes, sometimes | 125 (26.7%) | 102 (29.0%) |
 Yes, rainy season only | 80 (17.1%) | 140 (39.7%) |
 No | 0 (0%) | 1 (0.3%) |
Methods used to reduce mosquitoes | ||
 Clear bushes around the house | 467 (99.8%) | 337 (96.0%) |
 Clear stagnant water pools | 466 (99.6%) | 333 (94.8%) |
 Keeping windows/doors closed in evening | 467 (99.8%) | 334 (94.9%) |
 Screening of windows | 10 (2.1%) | 147 (42.0%) |
 Insecticide spray | 2 (0.4%) | 20 (5.7%) |
 Use larvicide in ponds | 2 (0.4%) | 3 (0.9%) |
 Burn other materials | 3 (0.6%) | 45 (12.8%) |
ITN presence, condition, treatment | ||
 Any ITNs present in house | 466 (99.6%) | 343 (98.9%) |
 Number of ITNs present: Median (IQR)* | 2 (2–3) | 3 (2–3) |
 Duration (years) of ITN use: Mean (SD)* | 2.0 (0.2) | 2.2 (0.8) |
 Washing of ITN by HH members* | 463 (99.4%) | 260 (74.9%) |
 Wash frequency: Median (IQR)^ | 4 (3–4) | 2 (2–3) |
 Holes/defects in ITN* | 400 (86.2%) | 233 (68.3%) |
 Repair of holes/defects in ITN¶ | 392 (98.0%) | 221 (94.9%) |
DDT spraying by NVBDCP (HH marked) | 25 (5.3%) | 117 (49.4%) |
IRS spraying of house (< 12 months) | ||
 Yes | 29 (6.2%) | 163 (46.3%) |
 No | 439 (93.8%) | 181 (51.4%) |
 Don't know | 0 (0%) | 8 (2.3%) |
Reason for not using IRS in house | ||
 Spray team did not visit the household | 391 (89.1%) | 32 (17.7%) |
 Presence of children | 14 (3.2%) | 34 (18.8%) |
 Not at home at the time of spraying | 10 (2.3%) | 22 (12.2%) |
 Don't like the smell | 16 (3.6%) | 22 (12.2%) |
 Stains the walls | 1 (0.2%) | 10 (5.5%) |
 Dangerous for silk production | 9 (2.1%) | 0 (0%) |
Mosquito repellent coils present in house | 264 (56.4%) | 101 (28.7%) |
Time of day coils used in house‡ | ||
 Night time | 162 (61.4%) | 62 (61.4%) |
 Evening | 157 (59.5%) | 51 (50.5%) |
 Daytime | 0 (0%) | 0 (0%) |
Frequency of mosquito repellent coil use‡ | ||
 Always | 21 (8.0%) | 25 (25.3%) |
 Sometimes | 242 (92.0%) | 72 (72.7%) |
 Rarely | 0 (0%) | 2 (2.0%) |