The Statistician Senior will work closely with faculty and research staff to conduct and maintain technical documentation of descriptive and multilevel quantitative analyses; clean, offload, and analyze actigraphy data to assess sleep and physical activity; prepare, clean, and manage datasets, including merging datasets together, transposing datasets from long form to wide form and vice versa, creating scales and indexes, and recoding variables for analysis; create tables and figures of findings; develop and program online surveys (e.g., REDCap, Qualtrics); lead or co-author manuscripts and abstracts; and perform other duties as assigned.