Table 3.

Association Between Selected Factors and Household Transmission of Hepatitis A: Salt Lake County, Utah, 1996 (n = 61)

FactorHouseholds With Transmission
(n = 20)
Households With No Transmission
(n = 41)
OR (95% CL)PValue
Child under 6 y of age resides or is regularly cared for in the household16 (80%)17 (42%)5.6 (1.4, 26.6).01
Child 3–5 y of age resides or is regularly cared for in the household12 (60%)11 (27%)4.1 (1.1, 15.1).03
Child under 3 y of age resides or is regularly cared for in the household13 (68%)11 (27%)5.1 (1.4, 19.2).01
Delay between onset and report date of the index case (≥14 d)8 (40%)6 (15%)3.9 (.95, 16.5).05*
Household member under 6 y of age attends a grouped child care setting for 4 or more h per wk6 (30%)8 (20%)1.8 (.4, 7.1).52
Household size >5 persons9 (45%)12 (29%)2.0 (.6, 7.1).35
  • * Fisher's exact P value used because expected value in 1 cell <5.