It takes place in a hospital setting , and consists of six group-based sessions , managed by a multidisciplinary team of health professionals.The primary outcomes are disability ( Oswestry Disability Index ) and sick leave , while secondary outcomes include coping ( Coping Strategies Questionnaire ) , fear-avoidance belief ( Fear Avoidance Belief Questionnaire ) , pain ( Low Back Pain Rating Scale , pain index ) , mobility during hospitalization ( Cumulated Ambulation Score ) , generic health-related quality of life ( EQ-5D ) and resource use .