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Table 1 Baseline characteristics of study participants in the health zones affected by EVD outbreak, 2018–2020, North Kivu, DRC (N = 129,749)

From: Evaluation of contact tracing performance during an Ebola virus disease outbreak in a complex security environment: the case of North Kivu province, Democratic Republic of the Congo, 2018–2020

Variables

Frequency

Percentage

Age groups

  

< 15 years

33,004

28.0

15–29 years

42,054

35.6

30–44 years

26,128

22.1

45–59 years

11,756

10.0

≥ 60 years

5,045

4.3

Sex

  

Female

66,142

51.2

Male

62,999

48.8

Relation with the index case

  

Community

58,987

49.0

Family members

28,332

23.6

Nosocomial

32,974

27.4

Contact type

  

1

7,128

6.1

2

16,606

14.2

3

44,221

37.9

4

6,893

5.9

Multiple

41,955

35.9

  1. Types of contact in accordance with WHO definitions [22]: 1 = Touched body fluids of the patient (blood, vomit, saliva, urine, faeces); 2 = Had direct physical contact with the body of the patient (alive or dead); 3 = Touched or cleaned the linens, clothes, or dishes of the patient; 4 = Slept or ate in the same household as the patient