“…Physiologic factors, such as younger age, female gender, and genetics, also correlate with or predict chronic pain (Andersen et al, 2015;Fernández-de-las-Peñas et al, 2012;Gärtner et al, 2009;Langford et al, 2015;Wang et al, 2016). Psychosocial factors influencing chronic pain severity may include childhood trauma (Häuser, Kosseva, Üceyler, Klose, & Sommer, 2011;Jones, Power, & Macfarlane, 2009;Yeung, Davis, & Ciaramitaro, 2016) and maladaptive pain cognitions (Edwards et al, 2013;Higgins, Bailey, LaChapelle, Harman, & Hadjistavropoulos, 2015). Childhood trauma linked with chronic pain refers primarily to experiences of physical abuse, sexual abuse, and neglect prior to age 17 years.…”