The concurrent validity of the Abilitator: a self-assessment questionnaire on functioning and work ability
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ORIGINAL ARTICLE
The concurrent validity of the Abilitator: a self-assessment questionnaire on functioning and work ability Minna Savinainen 1
&
Olli Jauhiainen 2 & Hannu Heikkilä 3 & Matti Joensuu 4
Received: 24 April 2020 / Accepted: 20 November 2020 # The Author(s) 2020
Abstract Aim The Abilitator is a self-assessment questionnaire which was developed to evaluate the perceived work ability and different aspects of functioning of working-age people. The present study aimed to explore the concurrent validity of the Abilitator. Subject and methods The participants (n = 177) were patients of a rehabilitation outpatient clinic. Their mean age was 47.1 years. Using Spearman’s correlation coefficients, we assessed the concurrent validity of the Abilitator to compare it to the HAD, RAND-36, EQ-5D, and WHODAS 2.0 (12-item short version) questionnaires. Results The five domains of the Abilitator showed fair to moderate correlation coefficients with the previously validated and accepted measures of functioning. The strongest correlations were found in specific domains measuring similar constructs, namely social inclusion and RAND-36 vitality/fatigue (rs = 0.58), psychological functioning and RAND-36 emotional wellbeing (rs = 0.67) and HAD depression (rs = −0.65), everyday activities and total score of EQ-5D (rs = 0.63), cognitive functioning and WHODAS 2.0 cognition (rs = 0.57), and physical condition and RAND-36 physical functioning (rs = 0.70). Analysis by subpopulations of gender and age group showed a broadly similar pattern to that of the total sample. In general, stronger correlations were seen among women and among those of a younger age (50 years or under). Conclusion The Abilitator questionnaire has acceptable concurrent validity for assessing different aspects of the functioning of working-age people. Keywords Concurrent validity . Functioning . Assessment . Measurement properties
Introduction Functioning illustrates an individual’s ability to take care of themselves and their household, run errands, and perform everyday tasks at home, during hobbies or studies, or at work (Hult and Lappalainen 2018). Well-being and functioning are essential to keep people in working life, as well as for social inclusion. Improving or promoting functioning and preventing work disability are important themes in both research and
* Minna Savinainen [email protected] 1
Finnish Institute of Occupational Health, FIN-33540 Tampere, Finland
2
Department of Physiatrics, Oulu University Hospital, Oulu, Finland
3
Department of Physical Medicine and Rehabilitation Satasairaala, Pori, Finland
4
Finnish Institute of Occupational Health, FIN 00250 Helsinki, Finland
practice. It is crucial that occupational rehabilitation professionals have a good insight into the different aspects of functioning and its related factors (Vendrig et al. 2018). As Vendrig et al. (2018) mentioned, medical diagnosis only plays a minor role in the actual cause of disability. Describing the level of different aspects of functioning requires the u
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