Adolescent 1 Adolescent Behavior 1 Beverages 1 Dental Caries Female 1 Fluoridation Health Behavior 1 Humans 1 Incidence 1 Iowa 1 Latent Class Analysis 1 Longitudinal Studies 1 Male 1 Sex Factors 1 Social Class 1 Toothbrushing 1 adolescent 1 adolescent behavior 1 beverage 1 caries 1 dental caries 1 diet 1 female 1 fluoridation 1 health behavior 1 human incidence 1 latent class analysis 1 longitudinal study male 1