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Table 3 Socioeconomic impact of influenza viruses on household contacts of the study children by viral type and subtype.

From: Clinical and socioeconomic impact of different types and subtypes of seasonal influenza viruses in children during influenza seasons 2007/2008 and 2008/2009

  Viral findings
Data Households of Influenza A/H1N1-positive children (n = 363) Households of Influenza A/H3N2-positive children (n = 1,296) Households ofB-positive children (n = 597)
Disease similar to that of the infected child (%) 70/363 (19.3)*° 417/1,296 (32.2) 159/597 (26.6)*
   Mothers, No. (%) 16/143 (11.2)*° 173/519 (33.3) 58/239 (24.3)*
   Fathers, No. (%) 18/139 (12.9)* 103/519 (19.8) 37/239 (15.5)
   Siblings, No. (%) 36/81 (44.4)*° 141/258 (54.7) 64/119 (53.8)
Additional medical visits (%) 45/363 (12.4)*° 325/1,296 (25.1) 125/597 (20.9)*
   Mothers, No. (%) 12/143 (8.4)*° 134/519 (25.8) 46/239 (19.2)*
   Fathers, No. (%) 6/139 (4.3)*° 55/519 (10.6) 21/239 (8.8)
   Siblings, No. (%) 27/81 (33.3)*° 136/258 (52.8) 58/119 (48.7)
Antibiotic prescriptions (%) 16/363 (4.4)* 131/1,296 (10.1) 42/597 (7.0)
   Mothers, No. (%) 3/143 (2.1)* 38/519 (7.3) 11/239 (4.6)
   Fathers, No. (%) 1/139 (0.7)* 29/519 (5.6) 5/239 (2.1)
   Siblings, No. (%) 12/81 (14.8)*° 64/258 (24.8) 26/119 (21.8)
Lost working days by mothers, mean ± SD 4.33 ± 2.16* 6.01 ± 2.57 3.46 ± 2.51*
Lost working days by fathers, mean ± SD 1.39 ± 1.52* 3.36 ± 2.12 2.03 ± 2.57*
Lost school days by siblings, mean ± SD 3.16 ± 4.01* 4.93 ± 3.91 3.39 ± 3.15*
  1. SD, standard deviation. ^p < 0.05 vs influenza B; °p < 0.05 vs influenza B; *p < 0.05 vs A/H3N2; no other statistically significant differences. Lost parental working days were due to caring for ill children and their personal illness.