Few studies have used prospective designs in large population surveys to assess the risk of
developing chronic widespread pain (CWP). We wanted to examine 1) how many people
without CWP developed it after 11 years, and 2) how anxiety, depression, alcohol use,
smoking, sleeping problems, and body mass index (BMI) were associated with this
development. This study was based on a representative population-based Norwegian
cohort attending both the second (1995 to 1997) and the third (2006 to 2008) wave of the …