“…In relation to LBP, different characteristics have been taken as a proxy for racial and cultural influence: language, skin color, nationality, immigration, and indigenous background. 9 , 13 , 14 , 15 , 19 , 20 , 21 , 22 , 23 , 24 , 25 However, further social factors influencing LBP, including workplace, access to care, and formal education status, can operate as confounding factors while exploring cultural differences. 26 , 27 To avoid these possible influences it is necessary to perform studies in a society where persons with different cultural backgrounds have an equal social security system and similar educational levels/opportunities and workplace distribution.…”