TY - JOUR A1 - Ekholm, O. A1 - Gundgaard, J. A1 - Rasmussen, N.K.R. A1 - Hansen, E.H. T1 - The effect of health, socio-economic position, and mode of data collection on non-response in health interview surveys Y1 - 2010 DO - 10.1177/1403494810382474 VL - 38 IS - 7 ER -