Table 1 Evolutionary trends in the prevalence of anti-HDV antibodies and associated risk factors

2012–2017

Gender

0.132

 Female

22/183

12 (7.6–17.6)

1 (reference)

 Male

42/243

17.3 (12.7–22.6)

0.654 (0.134–1.14)

0.134

Age groups (years)

0.204

 < 12

1/11

9.1 (0.22–41.3)

1 (reference)

 [12–20]

18/108

16.7 (10.2–25.1)

0.814 (0.461–1.439)

0.480

 [21–40]

41/301

13.6 (9.9–18.0)

0.690 (0.394–1.208)

0.218

 > 40

4/6

66.7 (22.3–95.7)

8.852 (1.449–54.074)

0.005

Regions

0.011

 Center

54/377

14.3 (10.9–18.3)

1 (reference)

 East

4/10

40 (12.2–73.8)

3.956 (1.084–14.43)

0.037

 Littoral

2/5

40 (5.2–85.3)

0.259 (0.042–1.582)

0.143

 North West

1/2

50 (1.2–98.7)

0.175 (0.011–2.826)

0.219

 South

3/6

50 (11.8–88.2)

5.885 (1.161–29.83)

0.032

 Adamawa

0/1

0

–

–

–

 North

0/2

0

–

–

–

 West

0/20

0

–

–

–

 South West

0/3

0

–

–

–

Years

0.195

 2012

8/35

22.9 (10.4–40.1)

1 (reference)

 2013

12/51

23.5 (12.8–37.5)

0.523 (0.257–1.064)

0.074

 2014

7/76

9.2 (3.7–18.1)

1.918 (0.838–4.387)

0.123

 2015

13/89

14.6 (8.0–23.7)

1.042 (0.539–2.016)

0.902

 2016

14/114

12.3 (6.8–19.7)

1.363 (0.722–2.574)

0.340

 2017

10/61

16.4 (8.2–28.1)

0.886 (0.424–1.850)

0.746

2012

Gender

0.286

 Female

4/12

33.3 (9.9–65.11)

1 (reference)

 Male

4/23

17.4 (4.9–38.78)

2.375 (0.473–11.92)

0.293

Age groups (years)

0.552

 [12–20]

2/6

33.3 (4.3–77.72)

1 (reference)

 [21–40]

5/27

18.5 (6.3–38.08)

0.379 (0.067–2.13)

0.271

 > 40

1/2

50 (1.2–98.74)

3.714 (0.205–67.14)

0.507

Regions

0.156

 Center

7/33

21.2 (8.9–38.90)

1 (reference)

 Littoral

1/1

100 (2.5–100)

–

–

2013

Gender

0.633

 Female

4/20

20 (5.7–43.66)

1 (reference)

 Male

8/31

25.8 (11.85–44.61)

0.767 (0.196–3.003)

0.703

Age groups (years)

0.250

 [12–20]

2/7

28.6 (3.66–70.95)

1 (reference)

 [21–40]

9/42

21.4 (10.29–36.81)

0.563 (0.117–2.706)

0.761

 > 40

1/1

100 (2.5–100)

–

–

Regions

 Center

12/50

24 (13.06–38.16)

0.575

–

–

2014

Gender

0.103

 Female

1/33

3 (0.777–15.75)

1 (reference)

 Male

6/43

14 (5.29–27.93)

0.193 (0.02–1.686)

0.137

Age groups (years)

0.777

 [12–20]

3/20

15 (3.2–37.89)

1 (reference)

 [21–40]

4/52

7.7 (2.1–18.53)

0.583 (0.12–2.83)

0.452

Regions

0.013

 Center

5/67

7.5 (2.4–16.56)

1 (reference)

 South

2/3

66.7 (9.4–99.15)

27.20 (2.089–354.15)

0.012

2015

Gender

0.103

 Female

3/39

7.7 (1.6–20.87)

1 (reference)

 Male

10/50

20 (10.03–33.71)

0.33 (0.085–1.307)

0.115

Age groups (years)

0.239

 < 12

1/1

100 (2.5–100)

1 (reference)

 [12–20]

3/25

12 (2.5–31.21)

0.917 (0.255–3.290)

0.894

 [21–40]

8/61

13.1 (5.8–24.21)

0.694 (0.205–2.35)

0.431

 > 40

1/2

50 (1.2–98.74)

6.25 (0.366–106.76)

0.206

Regions

0.039

 Center

11/78

14.1 (7.2–23.83)

1 (reference)

 East

1/1

100 (2.5–100)

–

–

 North west

1/1

100 (2.5–100)

–

–

2016

Gender

0.477

 Female

7/47

14.9 (6.2–28.30)

1 (reference)

 Male

7/67

10.4 (4.3–20.34)

1.55 (0.487–4.604)

0.479

Age groups (years)

0.830

 [12–20]

5/29

17.2 (5.8–35.77)

1 (reference)

 [21–40]

8/81

9.9 (4.3–18.5)

0.493 (0.157–1.55)

0.227

 > 40

1/1

100 (2.5–100)

–

–

Regions

0.029

 Center

11/98

11.2 (5.7–19.19)

1 (reference)

 East

2/4

50 (6.7–93.24)

8.167 (1.052–63.41)

0.045

 South

1/1

100 (2.5–100)

–

–

2017

Gender

0.120

 Female

3/22

9.4 (2.9–34.91)

1 (reference)

 Male

7/29

24.1 (10.29–43.54)

0.325 (0.075–1.402)

0.132

Age groups (years)

0.723

 [12–20]

3/21

14.3 (3.04–36.34)

1 (reference)

 [21–40]

7/38

18.4 (7.7–34.32)

0.664 (0.154–2.874)

0.584

Regions

0.114

 Center

8/51

15.7 (7.02–28.58)

1 (reference)

 East

1/5

20 (0.5–71.64)

1.306 (0.130–13.08)

0.821

 Littoral

1/1

100 (2.5–100)

–

–