Table 1 Prevalence of antibodies to the six arboviruses of public health concerns in Gabon

 N (% [95% CI])

462^a

111 (24.0 [20.1–27.9])

103 (22.3 [18.5–26.1])

179 (38.7 [34.3–43.2])

275 (59.5 [55.0–64.0])

278 (60.2 [55.7–64.6])

67 (14.5 [11.3–17.7])

387^b

98 (25.3 [21.0–29.6])

79 (20.4 [16.4–24.4

156 (40.3 [35.4–45.2])

235 (60.7 [55.9–65.6])

237 (61.2 [56.4–66.1])

55 (14.3 [10.7–17.7])

 Female

157

35 (22.3 [18.2–26.4])

39 (24.8 [20.5–29.1])

60 (38.2 [33.4–43.1])

92 (58.6 [53.7–63.5])

91 (58.0 [53.0–62.9])

20 (12.7 [9.4–16.1])

 Male

230

63 (27.4 [23.0–31.8])

40 (17.4 [13.6–21.2])

96 (41.7 [36.8–46.7])

143 (62.2 [57.3–67.0])

146 (63.5 [58.7–68.3])

35 (15.2 [11.6–18.8])

 1–2 years

79

23 (29.1 [24.6–33.6])

21 (26.6 [22.2–31.0])

23 (29.1 [24.6–33.6])

42 (54.2 [48.2–58.1])

32 (40.5 [35.6–45.4])

10 (12.7 [9.3–16.0])

 3–11 years

140

36 (25.7 [21.3–30.1])

31 (22.1 [18.0–26.2])

43 (30.7 [26.1–35.3])

82 (58.6 [53.7–63.5])

67 (47.9 [42.9–52.8])

18 (12.9 [9.5–16.2])

 12–17 years

28

3 (10.7 [7.6–13.8])

7 (25.0 [20.7–29.3])

13 (46.4 [41.5–51.4])

17 (60.7 [55.8–65.6])

22 (78.6 [74.5–82.7])

4 (14.3 [10.8–17.8])

  > 17 years

140

36 (25.7 [21.3–30.1])

20 (14.3 [10.8–17.8])

77 (55.0 [50.0–60.0])

94 (67.1 [62.5–71.8])

116 (82.9 [79.1–86.6])

23 (16.4 [12.7–20.1])

 2014

38

13 (34.2 [29.5–38.9])

4 (10.5 [7.5–13.6])

20 (52.6 [47.7–57.6])

28 (73.7 [69.3–78.1])

33 (86.8 [83.5–90.2])

4 (10.5 [7.5–13.6])

 2015

130

33 (25.4 [21.0–29.7])

30 (23.1 [18.9–27.3])

58 (44.6 [39.7–49.6])

75 (57.7 [52.8–62.6])

86 (66.2 [61.4–70.9])

20 (15.4 [11.8–19.0])

 2016

185

45 (24.3 [20.0–28.6])

35 (18.9 [15.0–22.8])

60 (32.4 [27.8–37.1])

110 (59.5 [54.6–64.4])

98 (53.0 [48.0–57.9])

28 (15.1 [11.6–18.7])

 2017

34

7 (20.6 [16.6–24.6])

10 (29.4 [24.9–34.0])

18 (52.9 [48.0–57.9])

22 (64.7 (59.9–69.5))

20 (58.8 [53.9–63.7])

3 (8.8 [6.0–11.6])