Table 1 Demographic and socioeconomic characteristics of study participants by village

Variables

(n = 397)

(n = 266)

(n = 441)

(n = 348)

(n = 627)

(n = 2079)

Median Age (IRQ) (years)

20 (13–44)

26 (12–43)

25 (14–43)

26 (15–43)

24 (11–39)

25 (13–43)

Females (%)

53 (47–59)

51 (45–57)

56 (51–60)

56 (50–61)

50 (45–55)

52 (50–55)

Education (%)

Under school age

2 (0–3)

3 (1–5)

3 (2–5)

2 (0–4)

4 (2–5)

3 (2–4)

Illiterate

21 (16–26)

8 (5–12)

15 (11–19)

16 (13–20)

18 (14–22)

16 (14–18)

Primary

45 (39–52)

53 (45–60)

53 (47–58)

52 (46–58)

55 (49–61)

52 (49–55)

Secondary

27 (21–32)

32 (25–39)

27 (22–32)

26 (20–32)

22 (17–27)

26 (24–29)

University

5 (1–9)

4 (1–8)

2 (0–3)

3 (1–5)

1 (0–2)

3 (2–4)

Farming occupation (%)

2 (0–4)

3 (1–6)

5 (2–7)

2 (0–4)

4 (2–6)

3 (2–4)

Yearly income (%)

(1,000USD)

< 1.5

91 (85–97)

74 (63–84)

89 (84–95)

85 (77–93)

98 (95–100)

89 (86–92)

≥ 1.5

8 (2–14)

26 (16–37)

11 (5–16)

15 (7–23)

3 (0–5)

11 (8–14)