Table 3 Malaria intervention measures among cases and controls in villages around Lake Tana, Ethiopia, October 2016–June 2017
Characteristic | Malaria cases (n = 303) n, % (95% CI) | Controls (n = 303) n, % (95% CI) | Total n, % (95% CI) | Pearson’s X2/Fisher’s exact test** |
|---|---|---|---|---|
House proximity to health centre (km)b | 3.5 (0.7–4.9) | 3.8 (1.2–5.5) | 3.6 (0.9–5.3) | 0.065 |
≤ 5 | 233, 76.9 (71.8–81.3) | 213, 70.3 (64.9–75.2) | 446, 73.6 (69.9–77.0) | |
> 5 | 70, 23.1 (18.7–28.2) | 90, 29.7 (24.8–35.1) | 160, 26.4 (23.0–30.1) | |
Received health information on malaria | 0.011 | |||
Yes | 123, 40.6 (35.2–46.3) | 93, 30.7 (25.7–36.1) | 216, 35.6 (31.9–39.6) | |
No | 180, 59.4 (53.7–64.8) | 210, 69.3 (63.9–74.3) | 390, 64.4 (60.4–68.1) | |
LLIN ownership | 0.186 | |||
None | 203, 67.0 (61.5–72.1) | 218, 71.9 (66.6–76.7) | 421, 69.5 (65.7–73.0) | |
1 LLIN/household | 52, 17.2 (13.3–21.9) | 56, 18.5 (14.5–23.3) | 108, 17.8 (15.0–21.1) | |
≥2 LLINs/household | 48, 15.8 (12.1–20.4) | 29, 9.6 (6.7–13.5) | 77, 12.7 (10.3–15.6) | |
Slept under LLIN regularly in last 1 month (n = 185)# | 0.085 | |||
Yes | 38, 38.0 (28.9–48.0) | 43, 50.6 (39.9–61.2) | 81, 43.8 (36.7–51.1) | |
No | 62, 62.0 (52.0–71.1) | 42, 49.4 (38.8–60.1) | 104, 56.2 (48.9–63.3) | |
LLIN(s) had holes/tear(s) (n = 185) | 0.603 | |||
Yes | 39, 39.0 (29.8–49.0) | 30, 35.3 (25.7–46.2) | 69, 37.3 (30.6–44.6) | |
No | 61, 61.0 (51.0–70.2) | 55, 64.7 (53.8–74.3) | 116, 62.7 (55.4–69.4) | |
Period since the HH obtained LLIN(s) (n = 185) (year) | 0.723 | |||
< 1 | 11, 11.0 (6.1–18.9) | 8, 9.4 (4.7–17.9) | 19, 10.3 (6.6–15.6) | |
≥ 1 | 89, 89.0 (81.1–93.9) | 77, 90.6 (82.1–95.3) | 166, 89.7 (84.4–93.4) | |
Proper hanging of LLIN(s) (n = 185) | 0.747 | |||
Yes | 72, 72.0 (62.3–80.0) | 63, 74.1 (63.6–82.5) | 135, 73.0 (66.1–78.9) | |
No | 28, 28.0 (20.0–37.7) | 22, 25.9 (17.5–36.4) | 50, 27.0 (21.1–33.9) | |
Is/are the LLIN(s) in good condition? (n = 185)a | 0.488 | |||
Yes | 49, 49.0 (39.2–58.9) | 46, 54.1 (43.3–64.6) | 95, 51.4 (44.1–58.5) | |
No | 51, 51.0 (41.1–60.8) | 39, 45.9 (35.4–56.7) | 90, 48.6 (41.5–55.9) | |
IRS | 0.926 | |||
Yes | 225, 74.3 (69.0–78.9) | 226, 74.6 (69.4–79.2) | 451, 74.4 (70.8–77.8) | |
No | 78, 25.7 (21.1–31.0) | 77, 25.4 (20.8–30.6) | 155, 25.6 (22.3–29.2) | |
Plastering/painting after IRS (n = 451) | 0.351 | |||
Yes | 27, 12.0 (8.3–17.0) | 21, 9.3 (6.1–13.9) | 48, 10.6 (8.1–13.9) | |
No | 198, 88.0 (83.0–91.7) | 205, 90.7 (86.1–93.9) | 403, 89.4 (86.1–91.9) | |