Table 1

Demographic characteristics of the study subjectsa

ParameterHCWsNHCWs (n = 60)P valuec
Seasonal influenza vaccine recipients (n = 209)Seasonal influenza vaccine nonrecipients (n = 80)P valuebTotal (n = 289)
Male sex, no. (%)60 (28.7)24 (30.0)0.8384 (29.1%)13 (21.7%)0.27
Mean age (yr) ± SD34.7 ± 8.233.1 ± 8.90.1634.2 ± 8.436.7 ± 10.20.07
Age group (yr), no. (%)0.230.07
    20–2970 (33.5)38 (47.5)108 (34.9)20 (33.3)
    30–3980 (38.3)23 (28.8)103 (35.6)14 (23.3)
    40–4949 (23.4)15 (18.8)64 (22.1)20 (33.3)
    50–599 (4.3)3 (3.8)12 (4.2)6 (10.0)
    60–641 (0.5)1 (0.1)2 (0.7)1 (1.7)
Comorbidities, no.2 (0.96)1 (1.3)0.833 (1.0)1 (1.7)0.54
    Diabetes1121
    Chronic renal failure0000
    Liver cirrhosis0000
    Malignancy1010
    Immunosuppressant treatment0000
  • a HCWs, health care workers; NHCWs, non-health care workers.

  • b Comparison between seasonal influenza vaccine recipients and nonrecipients.

  • c Comparison between HCWs and NHCWs.