Fig. 1
From: Risk factors for non-specific neck pain in young adults. A systematic review
PRISMA Flowchart. Combined outcome: studies that combine neck pain with other musculoskeletal outcomes; Not relevant outcome; studies have not measured neck pain as an outcome; Study population: included participants with pain at baseline; Study design: not prospective cohort or registry studies; Age group: studies that did not include separate analysis for young adults (18–29 years); Conference abstracts: only conference abstract existed