Radboud University Medical Center

Department of Geriatric Medicine

Scientific Papers

Oldenkamp M, Hagedoorn M, Wittek R., Stolk R, Smidt N.The impact of older person’s frailty on the care-related quality of life of their informal caregiver over time: results from the TOPICS-MDS project. Qual Life Res DOI 10.1007/s11136-017-1606-5


Swinkels J, Van Tilburg T, Verbakel E, Broese van Groenou M. Explaining the Gender Gap in the Caregiving Burden of Partner Caregivers. Gerontol B Psychol Sci Soc Sci, 2017:00(00);1–9. doi:10.1093/geronb/gbx036


Verbakel E, Metzelthin SF, Kempen GI. Caregiving to older adults: Determinants of informal caregivers' subjective well-being and formal and informal support as alleviating conditions. J Gerontol B Psychcol Sci Soc Sci. (In press)

PMID: 27130169


Lutomski JE, Krabbe PF, den Elzen WP, Olde-Rikkert MG, Steyerberg EW, Muntinga ME, Bleijenberg N, Kempen GI, Melis RJ; TOPICS Consortium. Rasch analysis reveals comparative analyses of activities of daily living/instrumental activities of daily living summary scores from different residential settings is inappropriate. J Clin Epidemiol. (In press)

PMID: 26597973


Lutomski JE, Krabbe PF, Bleijenberg N, Blom JW, Buurman BM, Kempen GI, Muntinga ME, Steyerberg EW, Olde Rikkert MG, Melis RJ. Survey mode biases reporting of activities of daily living and instrumental activities of daily living. J Am Geriatr Soc. 2015 Nov;63(11):2419-21

 PMID: 26603070


Hofman CS, Makai P, Boter H, Buurman BM, de Craen AJ, Olde Rikkert MG, Donders R, Melis RJ. The influence of age on health valuations: the older olds prefer functional independence while the younger olds prefer less morbidity. Clin Interv Aging. 2015 Jul 8;10:1131-9. doi: 10.2147/CIA.S78698. eCollection 2015.

PMID: 26185432


Hofman CS, Melis RJ, Donders AR. Adapted Bland-Altman method was used to compare measurement methods with unequal observations per case. J Clin Epidemiol. 2015 Aug;68(8):939-43. doi: 10.1016/j.jclinepi.2015.02.015.

PMID: 25895962


Hofman CS, Makai P, Blom JW, Boter H, Buurman BM, Olde Rikkert MG, Donders R, Melis RJ. Comparing the health state preferences of older persons, informal caregivers and healthcare professionals: a vignette study. PLoS One. 2015 Mar 4;10(3):e0119197. doi: 10.1371/journal.pone.0119197.

PMID: 25739034


Van den Brink D, Lutomski JE, Qin L, den Elzen WPJ, Kempen GIJM, Krabbe PFM, Steyerberg EW, Muntinga M, ter Riet G, Blijenberg N, Olde Rikkert MGM, Melis RJF, on behalf of TOPICS-MDS Consortium. [TOPICS-MDS: A versatile resource for generating scientific and social knowledge for elderly care.] Tijdschrift voor Gerontologie en Geriatrie. 2015 Apr;46(2):78-91. doi: 10.1007/s12439-015-0127-3.[Article in Dutch]

PMID: 25877469


Lutomski JE, van Exel NJA, Kempen GIJM, Moll van Charante EP, den Elzen WPJ, Jansen APD, Krabbe PFM, Steunenberg B, Steyerberg EW, Olde Rikkert MGM, Melis RJF. Validation of the Care-Related Quality of Life Instrument in different study settings: findings from The Older Persons and Informal Caregivers Minimum DataSet (TOPICS-MDS). Quality of Life Research.  2015 May;24(5):1281-93. doi: 10.1007/s11136-014-0841-2.

PMID: 25381121


Lutomski JE, Baars MA, Boter H, Buurman BM, den Elzen WP, Jansen AP, Kempen GI, Steunenberg B, Steyerberg EW, Olde Rikkert MG, Melis RJ. [Frailty, disability and multi-morbidity: the relationship with quality of life and healthcare costs in elderly people]. Ned Tijdschr Geneeskd. 2014;158(0):A7297. [Article in Dutch]
PMID: 25204442


Hofman CS, Makai P, Boter H, Buurman BM, de Craen AJ, Olde Rikkert MG, Donders RA, Melis RJ. Establishing a composite endpoint for measuring the effectiveness of geriatric interventions based on older persons' and informal caregivers' preference weights: a vignette study. BMC Geriatr. 2014 Apr 18;14(1):51. doi: 10.1186/1471-2318-14-51.
PMID: 18642579


Lutomski JE, Baars MAE, Schalk BWM, Boter H, Buurman BM, den Elzen WPJ, Jansen APD, Kempen GIJM, Steunenberg B, Steyerberg EW, Olde Rikkert MGM, Melis RJF. The development of The Older Persons and Informal Caregivers Survey Minimum DataSet (TOPICS-MDS): A large-scale data sharing initiative. PLoS ONE. 2013 Dec 4;8(12):e81673. doi: 10.1371/journal.pone.0081673.

PMID: 24324716

Lutomski JE, Baars MA, van Kempen JA, Buurman BM, den Elzen WP, Jansen AP, Kempen GI, Krabbe PF, Steunenberg B, Steyerberg EW, Olde-Rikkert MG, Melis RJ. Validation of a frailty index from the older persons and informal caregivers survey minimum data set. J Am Geriatr Soc. 2013 Sep;61(9):1625-7.

PMID: 24028364