Table 3

 Clinical and socioeconomic impact of influenza among the household contacts of the study children

Household contacts of children with influenza diagnosis
Positive(n = 915)Negative(n = 9128)
*p<0.0001 and †p = 0.0003 v influenza negative children; no other statistically significant differences.
Similar disease in family contacts (%)138 (15.1)*863 (9.5)
    Parents (%)96/704 (13.6)*544/6838 (7.9)
    Siblings (%)42/211 (19.9)*319/2290 (13.9)
Antipyretic prescriptions (%)123 (13.4)*610 (6.7)
    Parents (%)69/704 (9.8)*310/6838 (4.5)
    Siblings (%)54/211 (25.6)*300/2290 (13.1)
Antibiotic prescriptions (%)73 (7.9)*301 (3.3)
    Parents (%)36/704 (5.1)†182/6838 (2.7)
    Siblings (%)37/211 (17.5)*119/2290 (5.2)
Hospitalisation (%)3 (0.3)11 (0.1)
    Parents (%)2/704 (0.3)7/6838 (0.1)
    Siblings (%)1/211 (0.5)4/2290 (0.2)
Additional medical visits,mean (SD) number0.39 (0.76)*0.14 (0.47)
    Parents (%)0.28 (0.55)*0.07 (0.25)
    Siblings (%)0.48 (0.98)*0.22 (0.73)
Lost work days (parents),mean (SD)
    For their own illness1.52 (3.19)*0.72 (2.14)
    For child’s illness1.25 (2.99)*0.59 (2.02)
Lost school days (siblings),mean (SD)1.27 (2.47)*0.49 (2.33)
Need for help to care for the ill children, mean days (SD)1.10 (1.76)*0.85 (1.63)