Table 2 Maintenance of biosecurity guideline principle 1 (Isolation) across different poultry farm types.

Do you have any household (residential area) near (within 500 m) your poultry farm?

Yes

94.7(88.8–98.0)

91.3(84.1–95.9)

94.8(89.0-98.1)

93.7(90.5–96.0)

0.486

No

5.3(2.0-11.2)

8.7(4.1–15.9)

5.2(1.9–11.0)

6.3(4.0-9.5)

Do you have any LBMs near (within 1000 m) your poultry farm?

Yes

15.0(9.0–23.0)

9.7(4.8–17.1)

16.5(10.3–24.6)

13.9(10.4–18.1)

0.317

No

85.0(77.0–91.0)

90.3(82.9–95.2)

83.5(75.4–89.7)

86.1(81.9–89.6)

Do you have any waterbody near (within 200 m) your poultry farm?

Yes

62.8(53.2–71.7)

66.0(56.0-75.1)

74.8(65.8–82.4)

68.0(62.7–73.0)

0.135

No

37.2(28.3–46.8)

34.0(24.9–44.0)

25.2(17.6–34.2)

32.0(27.0-37.3)

Do you have another poultry farm near (within 200 m) your poultry farm?

Yes

33.6(25.0-43.1)

40.8(31.2–50.9)

41.7(32.6–51.3)

38.7(33.4–44.2)

0.394

No

66.4(56.9–75.0)

59.2(49.1–68.8)

58.3(48.7–67.4)

61.3(55.8–66.6)

Do you have protective fence surrounding your farm?

No

65.5(56.0-74.2)

67.0(57.0-75.9)

73.0(64.0-80.9)

68.6(63.3–73.5)

0.43

Yes

34.5(25.8–44.0)

33.0(24.1–43.0)

27.0(19.1–36.0)

31.4(26.5–36.7)

Do you maintain a minimum distance between sheds?

Only one shed 

76.1(67.2–83.6)

69.9(60.1–78.5)

80.9(72.5–87.6)

75.8(70.8–80.3)

0.164

No

15.0(9.0–23.0)

21.4(13.9–30.5)

16.5(10.3–24.6)

17.6(13.6–22.1)

Yes

8.8(4.3–15.7)

8.7(4.1–15.9)

2.6(0.5–7.4)

6.6(4.2–9.9)

Do you treat water?

No

87.6(80.1–93.1)

90.3(82.9–95.2)

93.0(86.8–96.9)

90.3(86.6–93.3)

0.382

Yes

12.4(6.9–19.9)

9.7(4.8–17.1)

7.0(3.1–13.2)

9.7(6.7–13.4)

Do you have vehicle access into your farm?

No

41.6(32.4–51.2)

39.8(30.3–49.9)

47.8(38.4–57.3)

43.2(37.8–48.7)

0.448

Yes

58.4(48.8–67.6)

60.2(50.1–69.7)

52.2(42.7–61.6)

56.8(51.3–62.2)

Do you or workers visit nearby farms?

No

72.6(63.4–80.5)

69.9(60.1–78.5)

71.3(62.1–79.4)

71.3(66.1–76.1)

0.911

Yes

27.4(19.5–36.6)

30.1(21.5–39.9)

28.7(20.6–37.9)

28.7(23.9–33.9)

Do you wear separate clothes and footwear?

No

65.5(56-74.2)

63.1(53-72.4)

67.0(57.6–75.4)

65.3(59.9–70.4)

0.836

Yes

34.5(25.8–44.0)

36.9(27.6–47.0)

33(24.6–42.4)

34.7(29.6–40.1)

Do you have access of rodent in your farm?

No

31.0(22.6–40.4)

13.6(7.6–21.8)

33.9(25.3–43.3)

26.6(21.9–31.7)

0.001

Yes

69.0(59.6–77.4)

86.4(78.2–92.4)

66.1(56.7–74.7)

73.4(68.3–78.1)

Do you have access of wild bird in your farm?

No

23.9(16.4–32.8)

15.5(9.1–24.0)

29.6(21.4–38.8)

23.3(18.8–28.2)

0.049

Yes

76.1(67.2–83.6)

84.5(76.0-90.9)

70.4(61.2–78.6)

76.7(71.8–81.2)

Do you have access of dog-cat in your farm?

No

38.9(29.9–48.6)

47.6(37.6–57.6)

44.3(35.1–53.9)

43.5(38.1–49.0)

0.431

Yes

61.1(51.4–70.1)

52.4(42.4–62.4)

55.7(46.1–64.9)

56.5(51-61.9)

Do you have access of domestic animal in your farm?

No

57.5(47.9–66.8)

65.0(55.0-74.2)

63.5(54.0-72.3)

61.9(56.5–67.2)

0.479

Yes

42.5(33.2–52.1)

35.0(25.8–45.0)

36.5(27.7–46.0)

38.1(32.8–43.5)

Do your worker live inside the shed/ farm premises at night?

No

76.1(67.2–83.6)

66.0(56.0-75.1)

80.0(71.5–86.9)

74.3(69.3–78.9)

0.054

Yes

23.9(16.4–32.8)

34.0(24.9–44.0)

20.0(13.1–28.5)

25.7(21.1–30.7)

Do your workers work in multiple farms?

No

87.6(80.1–93.1)

84.5(76.0-90.9)

87.8(80.4–93.2)

86.7(82.6–90.2)

0.721

Yes

12.4(6.9–19.9)

15.5(9.1–24.0)

12.2(6.8–19.6)

13.3(9.8–17.4)

Do you have access of backyard chicken in your farm?

No

46.9(37.5–56.5)

65.0(55.0-74.2)

53.0(43.5–62.4)

54.7(49.1–60.1)

0.025

Yes

53.1(43.5–62.5)

35.0(25.8–45.0)

47.0(37.6–56.5)

45.3(39.9–50.9)

Do you have access of duck in your farm?

No

64.6(55.0-73.4)

76.7(67.3–84.5)

64.3(54.9–73.1)

68.3(63.0-73.3)

0.086

Yes

35.4(26.6–45.0)

23.3(15.5–32.7)

35.7(26.9–45.1)

31.7(26.7–37.0)