The most likely ways (transmission routes) women and men acquired HIV and the percentages are described by the pie charts in Figs. 27 and 28 for women and men, respectively.
Figure 27

Figure 28

a. What percentage of the women who acquired HIV were injecting drug users?
b. What percentage of men who acquired HIV were injecting drug users?
c. On the basis of the pie charts, a student concludes that the number of women who acquired AIDS from injecting drug use is greater than the number of men who acquired AIDS from injecting drug use. What would you tell the student?
d. The orange slice for the €œother€ category is not shown in the men€™s pie chart. Why?
e. The data was collected by confidential name-based inter- views of HIV patients just after diagnosis. What type(s) of bias in sampling likely occurred?

Transcribed Image Text:

HIV Transmission Routes for Women Transmission Route Heterosexual contact, 85.93% Injecting drug use (IDU), 13.92% O Other, 0.15% HIV Transmission Routes for Men Transmission Route 1 Heterosexual contact, 11.82% □ injecting drug use (IDU), 5.72% ■ Male-to-male sexual contact, 78.75% Male-to-male sexual contact and IDU, 3.62% ■ Other, 0.09%