TABLE 2.

Demographic Characteristics of Infants and Children

CharacteristicGroup
RSV (N = 46)Control (N = 45)*
Age, mo, mean ± SD10.2 ± 9.310.6 ± 9.1
Gender, % male5149
Gestational age, wk, mean ± SD33.1 ± 2.433.7 ± 3.0
Ethnic or racial heritage, n (%)
    White30 (67)30 (67)
    Hispanic7 (16)4 (9)
    Black4 (9)6 (13)
    Other4 (9)5 (11)
Attends day care, n (%)14 (31)6 (13)
Prior hospitalization, as reported by caregiver, n (%)19 (42)4 (9)
No. of siblings, mean ± SD1.4 ± 1.51.4 ± 1.6
No. of siblings with an acute illness (%)18 (58)1 (4)
  • Groups were compared with paired t tests for continuous variables and χ2 tests for categorical variables; variation in percentages is a function of item-level missing data.

  • * One caregiver in the control group elected to withdraw from the study immediately before the collection of baseline data; percentages are based on complete data.

  • P < .05.

  • Caregiver reported; at baseline.