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. Author manuscript; available in PMC: 2016 May 28.
Published in final edited form as: AIDS Care. 2012 Jun 18;25(1):85–94. doi: 10.1080/09540121.2012.686597

Figure 1.

Figure 1

Figure 1

Figure 1a. HIV seroprevalence among individuals tested by mobile-based HCT; Nigeria, May 2005–March 2010(n=9371). Modeled prevalence indicated by a solid line with dotted lines representing 95% confidence intervals.

Green solid line is the best-fitting second-order polynomial [−0.292 + 0.020(Age) − 0.0002(Age)2] for male. Red solid line is the best-fitting second-order polynomial [−0.356 + 0.044(Age) − 0.001(Age)2] for female. Model fitness was evaluated by R2.

Figure 1b. HIV seroprevalence among individuals tested by facility-based HCT; Nigeria, May 2005–March 2010 (n=10630). Modeled prevalence indicated by a solid line with dotted lines representing 95% confidence intervals.

Green solid line is the best-fitting second-order polynomial [−0.556 + 0.035(Age) − 0.0004(Age)2] for male. Red solid line is the best-fitting second-order polynomial [0.255 − 0.012(Age) + 0.0002(Age)2] for female. Model fitness was evaluated by R2.