If you made any changes in Pure these will be visible here soon.

Research Output

1995

The measurement of social support in the "European Research on Incapacitating Diseases and Social Support": the development of the Social Support Questionnaire for Transactions (SSQT)

Suurmeijer, T. P., Doeglas, D. M., Briancon, S. & Krijnen, W. P., 1995, In : Social science & medicine. 40, 9, p. 1221-1229

Research output: Contribution to journalArticleAcademicpeer-review

1996

Algorithms for unweighted least-squares factor analysis

Krijnen, W. P., Feb 1996, In : Computational statistics and data analysis. 21, 2, p. 133-147

Research output: Contribution to journalArticleAcademicpeer-review

1998

Conditions for factor (in)determinacy in factor analysis

Krijnen, W. P., Dijkstra, T. K. & Gill, R. D., Dec 1998, In : Psychometrika. Vol 67(1). 63, 4, p. 359-367

Research output: Contribution to journalArticleAcademicpeer-review

1999

A note on the parameter set for factor analysis models

Krijnen, W. P., 1999, Linear algebra and its applications. p. 261-266 (Linear Algebra and its Applications; vol. 289).

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

Some new results on correlation-preserving factor scores prediction methods

ten Berge, J. M. F., Krijnen, W. P., Wansbeek, T. & Shapiro, A., 1999, In : Linear algebra and its applications. 289, 1-3, p. 311-318

Research output: Contribution to journalArticleAcademicpeer-review

2002

On the construction of all factors of the model for factor analysis.

Krijnen, W. P., Mar 2002, In : Psychometrika. Vol 67(1). 67, 1, p. 161-172 12 p.

Research output: Contribution to journalArticleAcademicpeer-review

2004

Convergence in mean square of factor predictors.

Krijnen, W. P., 2004, In : The British journal of mathematical and statistical psychology. 57, Pt 2, p. 311-326

Research output: Contribution to journalArticleAcademicpeer-review

2006

Convergence of estimates of unique variances in factor analysis, based on the inverse sample covariance matrix

Krijnen, W. P., Mar 2006, In : Psychometrika. Vol 67(1). 71, 1, p. 193-199

Research output: Contribution to journalArticleAcademicpeer-review

Convergence of the sequence of parameters generated by alternating least squares algorithms

Krijnen, W. P., 15 Nov 2006, In : Computational statistics and data analysis. 51, 2, p. 481-489

Research output: Contribution to journalArticleAcademicpeer-review

Implications of indeterminate factor-error covariances for factor construction, prediction, and determinacy

Krijnen, W. P., Sep 2006, In : Psychometrika. Vol 67(1). 71, 3, p. 503-519

Research output: Contribution to journalArticleAcademicpeer-review

2010

Best linear predictors for factor scores

Krijnen, W. P., Wansbeek, T. & ten Berge, J. M. F., 23 Dec 2010, In : Communications in statistics - Theory and methods. 25, 12, p. 3013-3025

Research output: Contribution to journalArticleAcademicpeer-review

2011

Daily physical activity in patients with chronic obstructive pulmonary disease: a systematic review.

Bossenbroek, L., de Greef, M. H. G., Wempe, J. B., Krijnen, W. P. & Ten Hacken, N. H. T., 2011, In : COPD: journal of chronic obstructive pulmonary disease. 8, 4, p. 306-319

Research output: Contribution to journalArticleAcademicpeer-review

2012

Do knowledge, knowledge sources and reasoning skills affect the accuracy of nursing diagnoses? a randomised study

Paans, W., Sermeus, W., Nieweg, R., Krijnen, W. P. & van der Schans, C. P., 2012, In : BMC nursing. 11, 12 p.

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
54 Downloads (Pure)
Open Access
2013
Open Access

Multidimensional structure of the Groningen Frailty Indicator in community-dwelling older people.

Bielderman, A., van der Schans, C., van Lieshout, M. R., de Greef, M., Boersma, F., Krijnen, W. & Steverink, N., 2013, In : BMC geriatrics. 22, 13, 9 p.

Research output: Contribution to journalArticleAcademicpeer-review

Open Access

Quality of life among prostate cancer patients: a prospective longitudinal population-based study

Schaake, W., de Groot, M., Krijnen, W., Langendijk, J. A. & van den Bergh, A. C. M., Aug 2013, In : Radiotherapy and oncology. 108, 2, p. 299-305

Research output: Contribution to journalArticleAcademicpeer-review

Quality of life among prostate cancer survivors: a longitudinal population based study

Schaake, W., de Groot, M., Krijnen, W., Langendijk, J. A. & van den Bergh, A. C. M., 2013. 1 p.

Research output: Contribution to conferencePosterOther research output

Quantifying daily physical activity and determinants in sedentary patients with Parkinson's disease

Dontje, M. L., de Greef, M., Speelman, A. D., Nimwegen, M., Krijnen, W., Stolk, R. P., Kamsma, Y. P., Bloem, B. R., Munneke, M. & van der Schans, C., Oct 2013, In : Parkinsonism & related disorders. 19, 10, p. 878-882

Research output: Contribution to journalArticleAcademicpeer-review

Open Access

Validity of bioelectrical impedance analysis to assess fat-free mass in head and neck cancer patients: an exploratory study

Jager-Wittenaar, H., Dijkstra, P., Earthman, C., Krijnen, W., Langendijk, J., van der Laan, B., Pruim, J. & Roodenburg, J., 2013, In : Head & neck. 36, 4, p. 585-591

Research output: Contribution to journalArticleAcademicpeer-review

Open Access

Validity of bioelectrical impedance analysis to assess fat−free mass in head and neck cancer patients: an exploratory study

Jager-Wittenaar, H., Dijkstra, P., Earthman, C., Krijnen, W., Langendijk, J. A., van der Laan, B., Pruim, J. & Roodenburg, J., 2013. 1 p.

Research output: Contribution to conferencePosterOther research output

2014

Aggregation level determines reliability of accelerometer Fitbit Ultra

de Groot, M., Lengton, R., van der Schans, C., Dontje, M. L. & Krijnen, W., 10 May 2014. 1 p.

Research output: Contribution to conferencePosterOther research output

A note of caution with respect to the Low Back Pain Perception Scale in primary care physiotherapy

Hallegraeff, J., de Greef, M., Krijnen, W. & van der Schans, C., 2014, In : Journal of back and musculoskeletal rehabilitation. 28, 2, p. 215-219

Research output: Contribution to journalArticleAcademicpeer-review

Open Access

Effect of nocturnal haemodialysis on body composition

Ipema, K., Westerhuis, R., van der Schans, C., de Jong, P. E., Gaillard, C. E., Krijnen, W., Slart, R. H. & Franssen, C. F., 2014, In : Nephron clinical practice. 128, 1-2, p. 171-177

Research output: Contribution to journalArticleAcademicpeer-review

Longitudinal measurement of physical activity following kidney transplantation

Dontje, M. L., de Greef, M., Krijnen, W., Corpeleijn, E., Kok, T., Bakker, S. J., Stolk, R. P. & van der Schans, C., 2014, In : Clinical transplantation. 28, 4, p. 394-402

Research output: Contribution to journalArticleAcademicpeer-review

Reference values for isometric muscle force among workers for the Netherlands: a comparison of reference values

Douma, R., Soer, R., Krijnen, W., Reneman, M. & van der Schans, C., 25 Feb 2014, In : BMC sports science, medicine and rehabilitation. 6, 10, 10 p.

Research output: Contribution to journalArticleAcademicpeer-review

File
74 Downloads (Pure)

The association between sucking behavior in preterm infants and neurodevelopmental outcomes at 2 years of age

Wolthuis, M., Luinge, M., da Costa, S., Krijnen, W., van der Schans, C. & Bos, A., 2014, In : Journal of pediatrics. p. 1-6

Research output: Contribution to journalArticleAcademicpeer-review

2015

Agreement between PG-SGA Short Form, MUST and SNAQ in hospital patients

Angerman, K., de Boer, B., Ottery, F. D., Bielderman, A., Roodenburg, J. L. N., Krijnen, W., van der Laan, B., Jutte, P. & Jager-Wittenaar, H., 2015. 1 p.

Research output: Contribution to conferencePosterOther research output

Open Access
File
40 Downloads (Pure)

Building from a conceptual model of the resilience process during ageing, towards the Groningen Aging Resilience Inventory

van Abbema, R., Bielderman, A., de Greef, M., Hobbelen, H., Krijnen, W. & van der Schans, C., 2015, In : Journal of advanced nursing. 71, 9, p. 2208-2219

Research output: Contribution to journalArticleAcademicpeer-review

Open Access

Influence of physical therapists' kinesiophobic beliefs on lifting capacity in healthy adults

Jorna-Lakke, S., Soer, R., Krijnen, W., van der Schans, C., Reneman, M. & Geertzen, J., 2015, In : Physical therapy. 95, 8, p. 1-10

Research output: Contribution to journalArticleAcademicpeer-review

Measuring steps with the Fitbit activity tracker: an inter-device reliability study

Dontje, M. L., de Groot, M., Lengton, R., van der Schans, C. & Krijnen, W., 1 Jul 2015, In : Journal of medical engineering & technology. 39, 5, p. 286-290

Research output: Contribution to journalArticleAcademicpeer-review

Predicting 6-minute walking distance in recipients of lung transplantation: longitudinal study of 108 patients

van Adrichem, E., Reinsma, G., van den Berg, S., van der Bij, W., Erasmus, M., Krijnen, W., Dijkstra, P. & van der Schans, C., 2015, In : Physical therapy. 95, 5, p. 720-729

Research output: Contribution to journalArticleAcademicpeer-review

Problemen bij het drinken en het verband met mogelijke ontwikkelingsproblemen

Wolthuis, M., Luinge, M., da Costa, S., Krijnen, W., van der Schans, C. & Bos, A., 2015, In : Kleine maatjes. 2 p.

Research output: Contribution to journalArticleProfessional

File
36 Downloads (Pure)

Relationship between socioeconomic status and quality of life in older adults: a path analysis

Bielderman, A., de Greef, M., Krijnen, W. & van der Schans, C., Jul 2015, In : Quality of life research. 24, 7, p. 1697-1705

Research output: Contribution to journalArticleAcademicpeer-review

File
74 Downloads (Pure)

Reliability and validity of ten consumer activity trackers

Kooiman, T., Dontje, M. L., Sprenger, S., Krijnen, W., de Groot, M. & van der Schans, C., 2015. 1 p.

Research output: Contribution to conferencePosterOther research output

Reliability and validity of ten consumer activity trackers

Kooiman, T., Dontje, M. L., Sprenger, S., Krijnen, W., van der Schans, C. & de Groot, M., 2015, In : BMC sports science, medicine and rehabilitation. 7, 24, p. 1-12

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
125 Downloads (Pure)

Reliability of the modified Gross Motor Function Measure-88 (GMFM-88) for children with both Spastic Cerebral Palsy and Cerebral Visual Impairment: a preliminary study

Salavati, M., Krijnen, W., Rameckers, E. A. A., Looijestijn, P. L., Maathuis, C. G., van der Schans, C. & Steenbergen, B., 25 Jul 2015, In : Research in developmental disabilities. 45-46, p. 32-48

Research output: Contribution to journalArticleAcademicpeer-review

Reliability of the modified paediatric evaluation of disability inventory, Dutch version (PEDI-NL) for children with cerebral palsy and cerebral visual impairment

Salavati, M., Waninge, A., Rameckers, E. A. A., de Blécourt, A. C. E., Krijnen, W., Steenbergen, B. & van der Schans, C., Feb 2015, In : Research in developmental disabilities. 37, p. 189-201

Research output: Contribution to journalArticleAcademicpeer-review

Validation of the Dutch version of the quick mild cognitive impairment screen (Qmci-D)

Bunt, S., O'Caoimh, R., Krijnen, W., Molloy, D. W., Goodijk, G-P., van der Schans, C. & Hobbelen, H., 2 Oct 2015, In : BMC geriatrics. 15, 115, 8 p.

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
66 Downloads (Pure)

Validation of the Dutch version of the Quick Mild Cognitive Impairment Screen (Qmci-D)

Bunt, S., O’Caoimh, R., Krijnen, W., Molloy, D. W., Goodijk, G-P., van der Schans, C. & Hobbelen, H., Apr 2015. 1 p.

Research output: Contribution to conferencePosterOther research output

What type, or combination of exercise can improve preferred gait speed in older adults? a meta-analysis

van Abbema, R., de Greef, M., Crajé, C., Krijnen, W., Hobbelen, H. & van der Schans, C., 1 Jul 2015, In : BMC geriatrics. 15, 72, p. 1-16

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
78 Downloads (Pure)
2016

Association between advanced glycation end products and paratonia in alzheimer's disease

Drenth, H., Zuidema, S., Krijnen, W., Bautmans, I., van der Schans, C. & Hobbelen, H., 28 Jun 2016. 1 p.

Research output: Contribution to conferencePosterOther research output

Causes and consequences of interdialytic weight gain

Ipema, K. J. R., Kuipers, J., Westerhuis, R., Gaillard, C. A. J. M., van der Schans, C. P., Krijnen, W. P. & Franssen, C. F. M., 2016, In : Kidney & blood pressure research. 41, 5, p. 710-720

Research output: Contribution to journalArticleAcademicpeer-review

Effect of diagnosis with a chronic disease on physical activity behavior in middle-aged women

Dontje, M. L., Krijnen, W., de Greef, M., Peeters, G., Stolk, R. P., van der Schans, C. & Brown, W., Feb 2016, In : Preventive medicine. 83, February, p. 56-62

Research output: Contribution to journalArticleAcademicpeer-review

Nutritional status in nocturnal hemodialysis patients: a systematic review with meta-analysis

Ipema, K., Struijk, S., van der Velden, A., Westerhuis, R., van der Schans, C., Gaillard, C. A. J. M., Krijnen, W. & Franssen, C. F. M., 2016, In : PLOS one. 11, 6

Research output: Contribution to journalReview articleAcademicpeer-review

Outcome calculations based on nursing documentation in the first generation of electronic health records in the Netherlands

Paans, W., Müller-Staub, M. & Krijnen, W. P., 2016, In : Studies in health technology and informatics. 225, p. 457-460

Research output: Contribution to journalArticleAcademicpeer-review

Reliability of the Q Force; a mobile instrument for measuring isometric quadriceps muscle strength

Douma, R., Regterschot, G. R. H., Krijnen, W., Slager, G., van der Schans, C. & Zijlstra, W., 2016, In : BMC sports science, medicine and rehabilitation. 8, 4, p. 1-13

Research output: Contribution to journalArticleAcademicpeer-review

Open Access

Substantial CT radiation dose reduction does not affect the preference for CT over direct digital radiography to diagnose isolated zygomatic fractures: a study in human cadavers

Meijer, A., Rozema, R., Hartman, R., van der Duim, S., van Minnen, B., Krijnen, W. & de Groot, M., 2016, In : Radiography. 22, 4, p. e228-e232

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
131 Downloads (Pure)