Key term: observational study

Original article [online first; 3 June 2018]   pdf
Time takes us all? A two-wave observational study of age and time effects on sustainable employability
Fleuren BPI, van Amelsvoort LGPM, de Grip A, Zijlstra FRH, Kant I
 
Editorial 2013;39(2):121-124   pdf full text
Understanding mechanisms: opening the “black box” in observational studies
Kristensen P, Aalen OO
 
Original article 2013;39(1):27-36   pdf full text
Musculoskeletal injuries among hospital patient care staff before and after implementation of patient lift and transfer equipment
Schoenfisch AL, Lipscomb HJ, Pompeii LA, Myers DJ, Dement JM
 
Review 1999;25(5):387-403   pdf
Physical load during work and leisure time as risk factors for back pain
Hoogendoorn WE, van Poppel MNM, Bongers PM, Koes BW, Bouter LM