Table 3.

Characteristics of 28 Confirmed Source Cases, County of San Diego, 1989, 1991, and 1993

CharacteristicNumber (%)
Male16 (57)
Mean age (range)25 (12–66)
Ethnicity
 Black5 (18)
 Hispanic20 (71)
 Asian3 (11)
Birthplace
 United States5 (18)
 Mexico19 (68)
 Ethiopia2 (7)
 Somalia1 (3.5)
 Laos1 (3.5)
Relationships to children with tuberculosis*
 Mother12 (43)
 Father7 (25)
 Siblings/other housemates4 (14)
 Relatives6 (21)
 Unknown6 (21)
Household non-English speaking24 (86)
Visits family in Mexico11 (39)
Previous tuberculosis treatment in Mexico5 (18)
  • * The 28 source cases could be sources for more than one child and can be counted in more than one category.