“…Table 1 summarises the characteristics of the 24 studies included. Eight chronic health conditions were represented: chronic pain (n = 9 studies) (Andersson, Lundstrom, & Strom, 2003;Brattberg, 2008;Buhrman, Faltenhag, Strom, & Andersson, 2004;Chiauzzi et al, 2010;Devineni & Blanchard, 2005;Lorig, Ritter, Laurent, & Plant, 2008;Ruehlman et al, 2012;Strom, Pettersson, & Andersson, 2000;Williams et al, 2010), diabetes (n = 5) (Glasgow, Boles, McKay, Feil, & Barrera, 2003;Glasgow et al, 2006;Lorig et al, 2010;McKay, Glasgow, Feil, Boles, & Barrera, 2002;McKay, King, Eakin, Seeley, & Glasgow, 2001), irritable bowel syndrome (n = 4) (Hunt, Moshier, & Milonova, 2009;Ljótsson et al, 2010Ljótsson et al, , 2011Oerlemans, van Cranenburgh, Herremans, Spreeuwenberg, & van Dulmen, 2011), tinnitus (n = 2) (Andersson, Stromgren, Strom, & Lyttkens, 2002;Kaldo et al, 2008), fatigue (n = 1) (Ghahari et al, 2010), epilepsy (n = 1) (DiIorio, Bamps, Walker, & Escoffery, 2011), breast cancer (n = 1) (Owen et al, 2005) and other chronic illnesses (n = 1) (Lorig, Ritter, Laurent, & Plant, 2006). Studies were predominantly conducted in the USA (n = 14), with Sweden being second most represented (n = 8; seven of these were conducted by Andersson and colleagues).…”