For example, a study in Zimbabwe conducted between 1999 and 2001 reported that they observed an increasing trend of HIV incidence among the educated individuals, which was rather unexpected; however, this might have been due to a higher socio-economic status, a factor reported to be associated with HIV infection in the region of Africa ( 19 , 20 ).
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Factors Associated With HIV Infection in Zimbabwe Over a Decade From 2005 to 2015: An Interval-Censoring Survival Analysis Approach.
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Of interest, the risk of HIV infection for those who had more than two sexual partners increased over time for Model 2, with Model 1 having a decreasing trend ( Table 3 ).