title: Splines for trend analysis and continuous confounder control.
authors.forename: Chanelle J
authors.initials: CJ
authors.lastname: Howe
authors.forename: Stephen R
authors.initials: SR
authors.lastname: Cole
authors.forename: Daniel J
authors.initials: DJ
authors.lastname: Westreich
authors.forename: Sander
authors.initials: S
authors.lastname: Greenland
authors.forename: Sonia
authors.initials: S
authors.lastname: Napravnik
authors.forename: Joseph J
authors.initials: JJ
authors.lastname: Eron
mesh_terms: D018791:CD4 Lymphocyte Count; D015986:Confounding Factors, Epidemiologic; D015658:HIV Infections / Q000401:mortality; D006801:Humans; D012044:Regression Analysis; D019562:Viral Load / Q000706:statistics & numerical data