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Table 2 Healthcare worker characteristics on wards with active surveillance for influenza, University Hospital Zurich, 2015/16 influenza season

From: The TransFLUas influenza transmission study in acute healthcare - recruitment rates and protocol adherence in healthcare workers and inpatients

Characteristic

Department

 

All departments (n = 59)1

Pulmonology (n = 17)

Hematology (n = 19)

Internal medicine (n = 22)

P-value

Age, years, median (range)

30.5 (18.0–58.0)

30.5 (18.5–51.6)

31.1 (21.5–58.0)

26.7 (18.0–51.9)

0.52

Female sex

50 (84.7)

14 (82.4)

17 (89.5)

19 (86.4)

0.45

Profession

 Nurse

49 (83.1)

13 (76.5)

15 (79.0)

21 (95.5)

0.27

 Physician

9 (15.3)

3 (17.7)

4 (21.1)

1 (4.6)

 Other

1 (1.7)

1 (5.9)

0 (0)

0 (0)

Charlson comorbidity index, median (range)

0 (0–1)

0 (0–1)

0 (0–0)

0 (0–1)

0.88

 Myocardial infarction

0 (0)

0 (0)

0 (0)

0 (0)

n.a.

 Congestive cardiac insufficiency

0 (0)

0 (0)

0 (0)

0 (0)

n.a.

 Peripheral vascular disease

0 (0)

0 (0)

0 (0)

0 (0)

n.a.

 Chronic pulmonary disease

2 (3.4)

1 (5.9)

0 (0)

1 (4.6)

0.59

 Conjuctive tissue disease

0 (0)

0 (0)

0 (0)

0 (0)

n.a.

 Diabetes without complications

0 (0)

0 (0)

0 (0)

0 (0)

n.a.

 Peptic ulcer disease

1 (1.7)

0 (0)

0 (0)

1 (4.6)

0.44

 Chronic disease of the liver or cirrhosis

0 (0)

0 (0)

0 (0)

0 (0)

n.a.

 Hemiplegia

0 (0)

0 (0)

0 (0)

0 (0)

n.a.

 Moderate or severe kidney disease

0 (0)

0 (0)

0 (0)

0 (0)

n.a.

 Diabetes with chronic complications

0 (0)

0 (0)

0 (0)

0 (0)

n.a.

 Solid organ malignancy

0 (0)

0 (0)

0 (0)

0 (0)

n.a

 Leukemia

0 (0)

0 (0)

0 (0)

0 (0)

n.a.

 Lymphoma

0 (0)

0 (0)

0 (0)

0 (0)

n.a.

 Moderate or severe liver disease

0 (0)

0 (0)

0 (0)

0 (0)

n.a.

 Malignant tumor, metastasis

0 (0)

0 (0)

0 (0)

0 (0)

n.a.

 AIDS

0 (0)

0 (0)

0 (0)

0 (0)

n.a.

 Dementia

0 (0)

0 (0)

0 (0)

0 (0)

n.a.

Household crowding index, median (range)

1.3 (0.5–3)

1.3 (1–2.5)

1.3 (1–2)

1.3 (0.5–3)

0.99

Children (< 18 years) in household

11 (18.6)

5 (22.7)

1 (5.3)

5 (22.7)

0.24

  1. Data are n (%), unless indicated otherwise. 1Sum of HCWs of different departments does not equal total number as one HCW worked on all wards and thus was not assigned to one single department
  2. Abbreviations: n.a. not applicable, AIDS acquired immunodeficiency syndrome