Figure 1From: Prevalence and long-term predictors of persistent chronic widespread pain in the general population in an 11-year prospective study: the HUNT study Flowchart showing the inclusion of participants in the HUNT2 and HUNT3 study (Q1), the study population (participants responding to both Q1 and Q2 in HUNT2 and HUNT3) and baseline sample (chronic widespread pain in HUNT2) calculated from the study population. Q1: Questionnaire 1, Q1: Questionnaire 2.Back to article page