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Table 1 Study population characteristics

From: Promotion of the influenza vaccination to hospital staff during pre-employment health check: a prospective, randomised, controlled trial

Characteristics Control group
(n = 172)
Intervention group
(n = 185)
Mean age, years (standard deviation) 33.0 (8.1)* 31.3 (7.3)*
Female sex, n (%) 118 (69) 139 (75)
Married, n (%) 39 (23) 45 (24)
Swiss nationality, n (%) 89 (52) 95 (51)
Allergies, n (%) 49 (29) 52 (28)
Asthma, n (%) 11 (6.4) 9 (4.9)
New employee, n (%) 81 (47) 106 (57)
Staff undergoing training, n (%) 6 (3.5) 15 (8.1)
Physician, n (%) 65 (38)* 51 (28)*
Patient-care employee, n (%) 72 (42) 86 (47)
Other personnel, n (%) 35 (20) 48 (26)
  1. * P value < 0.05