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Table 1 Characteristics of study participants by administrative region, Ethiopian Malaria Indicator Survey-2015 (EMIS-2015)

From: Multiplex serology demonstrate cumulative prevalence and spatial distribution of malaria in Ethiopia

  Tigray Afar Amhara Oromia Somali Benishangul-Gumuz Southern Nations and Nationalities Peoples’ Gambela Harari Diredawa National
Gender % (95% CI) n = 8743
 Male 46.5 (44.1–48.9) 47.6 (42.9–52.3) 50.9 (47.4–54.3) 48.2 (45.6–50.9) 45.1 (40.8–49.4) 45.3 (40.8–49.9) 46.4 (44.3–48.5) 41.4 (37.4–45.5) 47.4 (3.0–65.4) 40.5 (33.1–48.4) 47.7 (46.3–49.2)
 Female 53.3 (51.1–55.9) 52.4 (47.7–57.1) 49.1 (45.7–52.6) 51.8 (49.1–54.4) 54.9 (50.6–59.2) 54.7 (50.1–59.2) 53.6 (51.5–55.7) 58.6 (54.5–62.6) 52.6 (34.6–70.0) 59.5 (51.6–66.9) 52.3 (50.8–53.7)
Age group (years)% (95% CI)
 0–5 43.8 (39.6–48.0) 66.6 (63.7–69.3) 40.8 (37.1–44.7) 44.6 (41.5–47.9) 61.7 (58.8–64.6) 49.5 (41.5–57.5) 45.4 (43.2–47.7) 54.8 (50.8–58.8) 25.5 (12.9–44.2) 46.0 (35.3–57.1) 44.8 (43.0–46.5)
 5–15 17.7 (15.2–20.4) 12.8 (9.2–17.5) 20.5 (18.0–23.3) 18.8 (15.8–22.3) 14.6 (11.7–18.1) 16.0 (12.9–19.6) 20.8 (18.9–22.9) 18.9 (16.6–21.5) 3.5 (1.0–11.6) 10.2 (6.6–15.4) 19.4 (17.8–21.1)
 15–25 13.3 (11.3–15.6) 6.1 (3.9–9.4) 12.6 (9.5–16.6) 11.6 (10.0–13.4) 5.2 (3.6–7.5) 11.5 (7.8–16.6) 11.4 (9.7–13.4) 10.7 (8.3–13.8) 22.1 (17.4–27.5) 14.0 (10.9–17.9) 11.7 (10.7–12.8)
 25–50 17.1 (14.9–19.4) 14.1 (12.1–16.4) 19.2 (16.2–22.6) 19.7 (17.5–22.1) 14.6 (13.0–16.4) 14.5 (10.7–19.3) 17.1 (15.6–18.6) 12.3 (1.1–15.0) 36.8 (29.3–45.0) 21.7 (15.9–28.9) 18.5 (17.3–19.8)
 50+ 8.2 (6.6–10.1) 0.5 (0.1–1.5) 6.9 (5.1–9.1) 5.2 (3.9–7.0) 3.8 (2.7–5.3) 8.6 (5.3–13.5) 5.2 (4.1–6.6) 3.2 (2.3–4.5) 12.1 (7.4–19.2) 8.1 (4.5–14.2) 5.7 (4.9–6.6)
Elevation (m) % (95% CI) n = 8740*
 < 1000 5.6 (1.6–17.4) 38.0 (13.7–70.4) 0 (0.0–0.0) 0 (0.0–0.0) 28.6 (12.6–52.7) 8.2 (1.1–52.7) 0 (0.0–0.0) 88.4 (72.1–95.8 0 (0.0–0.0) 0.9 (0.1–6.7) 1.9 (1.2–2.8)
 1000–2000 64.3 (46.8–78.6) 62.0 (29.6–86.3) 53.4 (33.2–72.5) 77.4 (47.3–87.4) 71.4 (47.3–87.4) 91.8 (57.4–98.9) 79.0 (67.3–87.3) 11.6 (4.2–27.9) 100 (100.0–100.0) 99.1 (93.9–99.9) 73.1 (65.6–79.4)
 > 2000 30.2 (16.5–48.5) 0 (0.0–0.0) 46.6 (27.5–66.8) 22.6 (13.1–36.1) 0 (0.0–0.0) 0 (0.0–0.0) 21 (12.7–32.7) 0 (0.0–0.0) 0 (0.0–0.0) 0 (0.0–0.0) 25.0 (18.8–32.5)
Bed net use (last night) % (95% CI) n = 5168**
 Yes 57.6 (50.3–64.5) 80.5 (65.7–89.9) 59.1 (48.1–69.4) 69.6 (59.6–78.1) 75.2 (61.2–85.4) 66.1 (54.3–76.2) 55.7 (49.4–61.8) 84.7 (76.0–90.6) 33.5 (12.8–63.3) 25 (14.3–41.6) 62.1 (57.5–66.6)
 No 42.4 (35.5–49.7) 19.5 (10.1–34.3) 40.9 (30.6–51.9) 30.4 (21.9–40.4) 24.8 (14.6–38.8) 33.9 (23.8–45.7) 44.3 (38.2–50.6) 15.3 (9.4–24.0) 66.5 (36.7–87.2) 74.4 (58.4–85.7) 37.9 (33.4–42.5)
RDT results % (95% CI)
 Pf 0.8 (0.4–1.6) 0 (0.0–0.0) 0.7 (0.2–1.8) 0.2 (0.1–0.6) 0 (0.0–0.0) 6.2 (2.2–16.3) 0.2 (0.1–0.5) 16.8 (11.8–23.2) 0 (0.0–0.0) 0 (0.0–0.0) 0.5 (0.3–0.7)
 Pan 0.7 (0.3–1.3) 0.2 (0.0–1.3) 0 (0.0–0.0) 0.1 (0.0–0.4) 0.1 (0.0–0.8) 0 (0.0–0.0) 0.4 (0.1–1.2) 0.1 (0.0–0.6) 0 (0.0–0.0) 0 (0.0–0.0) 0.2 (0.1–0.4)
 Pf/Pan 0.1 (0.0–0.6) 0 (0.0–0.0) 0.5 (0.1–1.8) 0 (0.0–0.0) 0 (0.0–0.0) 0.4 (0.0–2.6) 0.2 (0.0–0.6) 1.7 (0.9–3.0) 0 (0.0–0.0) 0 (0.0–0.0) 0.1 (0.1–0.3)
 Negative 98.4 (97.4–99.0) 99.8 (98.7–100.0) 98.9 (96.7–99.6) 99.7 (99.3–99.8) 99.9 (99.2–100.0) 93.5 (82.3–97.8) 99.3 (98.3–99.7) 81.5 (74.5–86.9) 100 (100.0–100.0) 100 100.0–100.0) 99.2 (98.8–99.4)
  1. n, number of observations; RDT, rapid diagnostic test; *3 people did not have GPS coordinates; **3613 individuals were without bed net use data; ***RDT test was not done for 4 individuals; 4 RDT tests were invalid and 3 individuals refused RDT testing