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Table 1 Characteristics of women aged 15–49 years in eight districts, Malawi, 2009 (N = 6985)

From: The use of intermittent preventive treatment in pregnancy and insecticide-treated bed nets for malaria prevention by women of child-bearing age in eight districts in Malawi

  Blantyre (N = 787) % (95 % CI) Chiradzulu (N = 822) % (95 % CI) Karonga (N = 845) % (95 % CI) Lilongwe (N = 874) % (95 % CI) Mwanza (N = 1068) % (95 % CI) Nkhotakhota (N = 878) % (95 % CI) Phalombe (N = 784) % (95 % CI) Rumphi (N = 927)  % (95 % CI) Total (N = 6985) % (95 % CI)
Mean age 27.2 (26.6–27.8) 28.3 (27.8–28.8) 28.2 (27.6–28.8) 28.6 (28.0–29.1) 27.4 (27.0–27.9) 28.7 (27.9–29.4) 27.8 (27.1–28.6) 27.5 (28.9–28.1) 28.1 (27.8–28.3)
Ethnicity
 Chewa 9 (6–12) 2 (0–3) 3 (1–6) 79 (66–92) 16 (7–27) 66 (53–80) <1 (0–1) 4 (1–6) 40 (32–49)
 Yao 22 (16–27) 30 (18–42) 1 (0–3) 5 (0–10) 1 (0–2) 4 (1–6) <1 (0–1) 1 (0–2) 10 (7–13)
 Tumbuka 3 (1–5) 0 34 (21–46) 4 (1–7) <1 (0–1) 4 (1–8) 0 91 (85–97) 8 (6–10)
 Lomhwe 27 (18–35) 61 (48–74) <1 (0–1) 3 (1–4) 3 (1–5) 1 (0–1) 98 (96–100) 2 (0–3) 19 (15–23)
 Other 40 (32–47) 7 (2–12) 61 (47–76) 9 (3–16) 80 (70–89) 24 (13–36) 1 (0–1) 3 (0–6) 23 (19–27)
Education
 None 6 (3–10) 19 (14–23) 4 (3–6) 21 (15–28) 17 (13–21) 16 (10–24) 23 (16–30) 7 (3–12) 16 (13–19)
 Some primary school 38 (32–44) 55 (51–59) 54 (47–61) 52 (44–61) 62 (57–67) 65 (57–73) 62 (57–68) 28 (21–35) 50 (46–54)
 Completed primary school 17 (14–21) 13 (10–16) 20 (17–24) 8 (5–11) 9 (5–12) 6 (3–8) 8 (5–10) 34 (28–39) 12 (10–14)
 Some secondary school 22 (17–27) 11 (8–14) 16 (11–20) 12 (6–18) 10 (6–14) 10 (6–14) 5 (3–7) 20 (15–26) 14 (11–17)
 Completed secondary school or above 16 (12–20) 2 (1–4) 6 (2–9) 6 (1–11) 3 (1–5) 2 (0–4) 2 (1–3) 11 (5–16) 8 (5–10)
Socioeconomic status by asset index
 Poorest 11 (7–15) 13 (10–16) 10 (5–14) 25 (18–33) 28 (23–33) 27 (20–35) 18 (13–23) 6 (4–9) 19 (16–22)
 Less poor 13 (10–16) 19 (15–22) 11 (8–14) 14 (10–18) 19 (15–23) 21 (16–27) 21 (17–25) 13 (9–16) 15 (13–17)
 Middle 13 (10–17) 29 (23–34) 19 (15–24) 19 (15–24) 21 (18–24) 18 (14–22) 32 (28–35) 20 (14–27) 19 (17–22)
 More rich 19 (15–24) 30 (23–37) 29 (24–35) 15 (11–18) 19 (16–23) 16 (13–19) 22 (17–28) 22 (16–27) 19 (17–21)
 Least poor 43 (34–53) 9 (6–13) 31 (21–40) 27 (13–41) 13 (8–18) 18 (7–28) 7 (5–9) 39 (28–49) 28 (21–34)
 Used insecticide-treated bed net previous night 57 (53–62) 54 (49–59) 54 (49–60) 52 (43–60) 60 (56–65) 42 (39–46) 54 (48–60) 52 (45–58) 53 (50–57)
 Used untreated bed net previous night 15 (10–20) 5 (3–6) 16 (11–21) 10 (4–15) 2 (0–4) 21 (16–26) 3 (1–5) 7 (2–13) 11 (8–13)
  1. 95 % CI 95 % confidence interval