Figure S1. Longitudinal patterns with four latent classes based on psychological and behavioral characteristics over one year follow-up among heterosexual STI clinic visitors aged 18-24 years who were diagnosed with an STI at baseline (n=111)

Figure S2. Longitudinal patterns with four latent classes based on psychological and behavioral characteristics over one year follow-up among heterosexual STI clinic visitors aged 18-24 years who tested STI negative at baseline (n=699)

Figure 2. Longitudinal patterns with four latent classes based on psychological and behavioral characteristics over one year follow-up among heterosexual STI clinic visitors aged 18-24 years (n=810)