Design of a study evaluating the effects, health economics, and stakeholder perspectives of a multi-component occupational rehabilitation program with an added workplace intervention - a  study protocol

Jensen OK(2001)The 15D instrument of health-related quality of life: properties and applications Ann Med 33 517-715

Christiansen DH(2002)The Norwegian brief pain inventory questionnaire: Translation and validation in cancer pain patients J Pain Symptom Manage 24 157-696

Nielsen CV(1993)A Fear-Avoidance Beliefs Questionnaire (FABQ) and the role of fear-avoidance beliefs in chronic low back pain and disability Pain 52 676-undefined

Loisel P(2011)Preliminary psychometric properties of the acceptance and action questionnaire-II: a revised measure of psychological inflexibility and experiential avoidance Behav Ther 42 331-undefined

Abenhaim L(2013)The work-related acceptance and action questionnaire: initial psychometric findings and their implications for measuring psychological flexibility in specific contexts J Occup Organ Psychol 86 361-undefined

Durand P(1983)The hospital anxiety and depression scale Acta Psychiatr Scand 67 43-undefined

Esdaile JM(2012)Design of a trial-based economic evaluation on the cost-effectiveness of employability interventions among work disabled employees or employees at risk of work disability: the CASE-study BMC Public Health 12 711-undefined

Suissa S(1999)Development and evaluation of complex interventions in health services research: case study of the Southampton heart integrated care project (SHIP). The SHIP collaborative group BMJ 318 694-undefined

Gosselin L(2009)Use of qualitative methods alongside randomised controlled trials of complex healthcare interventions: methodological study BMJ 339 undefined-undefined

Hagen EM(2000)Framework for design and evaluation of complex interventions to improve health BMJ 321 undefined-undefined

Jensen OK(2001)The 15D instrument of health-related quality of life: properties and applications Ann Med 33 517-715

Christiansen DH(2002)The Norwegian brief pain inventory questionnaire: Translation and validation in cancer pain patients J Pain Symptom Manage 24 157-696

Nielsen CV(1993)A Fear-Avoidance Beliefs Questionnaire (FABQ) and the role of fear-avoidance beliefs in chronic low back pain and disability Pain 52 676-undefined

Loisel P(2011)Preliminary psychometric properties of the acceptance and action questionnaire-II: a revised measure of psychological inflexibility and experiential avoidance Behav Ther 42 331-undefined

Abenhaim L(2013)The work-related acceptance and action questionnaire: initial psychometric findings and their implications for measuring psychological flexibility in specific contexts J Occup Organ Psychol 86 361-undefined

Durand P(1983)The hospital anxiety and depression scale Acta Psychiatr Scand 67 43-undefined

Esdaile JM(2012)Design of a trial-based economic evaluation on the cost-effectiveness of employability interventions among work disabled employees or employees at risk of work disability: the CASE-study BMC Public Health 12 711-undefined

Suissa S(1999)Development and evaluation of complex interventions in health services research: case study of the Southampton heart integrated care project (SHIP). The SHIP collaborative group BMJ 318 694-undefined

Gosselin L(2009)Use of qualitative methods alongside randomised controlled trials of complex healthcare interventions: methodological study BMJ 339 undefined-undefined

Hagen EM(2000)Framework for design and evaluation of complex interventions to improve health BMJ 321 undefined-undefined