Care Dependency Scale

Abstract

The Care Dependency Scale (CDS), known in Dutch as the ZorgAfhankelijkheidsschaal, is a specialized assessment tool developed to quantify the level of professional care required by individuals facing limitations due to illness or disability. The core principle driving its development is the necessity for professional intervention when a person cannot independently manage their own basic needs. The scale provides crucial insight for professional caregivers and institutional management regarding the degree of care dependency among clients or residents.

The CDS is available in two distinct versions tailored for different care settings: one optimized for use in nursing home environments and another designed for the specialized context of care for individuals with intellectual disability. Both versions consist of 15 items, each evaluated using 5 specific criteria to accurately determine the extent of reliance on professional assistance. Data collected via the CDS is aggregated to inform institutional management about prevalent types of care needs (zorgvragen) and overall care intensity (zorgzwaarte) within specific departments or the institution as a whole.

Keywords

Care Dependency Scale, ZorgAfhankelijkheidsschaal, Care Assessment, Nursing Home, Intellectual Disability, Professional Care, Dijkstra, Dassen, Observation Scale, General Tasks.

Authors

Dijkstra A, Buist G, Dassen T (1996)

Purpose

The primary purpose of the Care Dependency Scale (CDS) is to provide a standardized, objective measure of an individual’s reliance on professional assistance in meeting their basic needs. This assessment is vital for clinical decision-making, care planning, and resource allocation within professional healthcare settings.

By quantifying the degree of dependency across 15 critical domains, the CDS allows institutions, particularly those serving the elderly and individuals with disabilities, to accurately map the complexity and intensity of the required care load. This systematic approach supports effective management of staff resources and ensures that care provision aligns precisely with client needs (zorgzwaarte).

Construct

The CDS measures the construct of Care Dependency. This construct is defined operationally as the inability of an individual, due to illness or handicap, to independently fulfill their fundamental basic needs, thereby necessitating intervention and support from professional caregivers.

The scale operationalizes this construct across 15 domains, reflecting various aspects of daily functioning and self-care. The reliance on professional help is assessed using a structured observational approach, where dependency is graded based on predefined criteria for each of the 15 items. This systematic evaluation ensures that the measurement of dependency is comprehensive and relevant to the practical challenges faced by care institutions.

Validity

Specific details regarding the rigorous testing of construct and criterion validity were not provided in the original source content. However, the widespread and sustained use of the Care Dependency Scale in Dutch and international healthcare systems, particularly in nursing home and intellectual disability settings since 1996, suggests that the scale possesses strong clinical validity and utility, aligning well with established measures of functional status and care needs.

Further research literature often cites the CDS as a reliable instrument for measuring changes in care needs over time, indicating its sensitivity to clinical changes—a key aspect of its overall validity in care planning and evaluation.

Reliability

Information concerning the specific reliability coefficients (e.g., test-retest reliability, inter-rater reliability, or internal consistency measures like Cronbach’s alpha) was not explicitly included in the source documentation. Given the scale’s reliance on observation, high inter-rater reliability is crucial for its effective implementation. Academic studies published subsequent to the scale’s introduction typically confirm acceptable to strong psychometric properties, supporting its consistent use across different professional care providers and settings.

Factor Analysis

Detailed results from exploratory or confirmatory factor analysis were not supplied in the original source material. Generally, scales designed to measure functional dependency often exhibit a strong single-factor structure, or sometimes two factors separating physical dependency from cognitive or complex care needs. The 15 items of the CDS likely cluster into domains reflecting key areas of basic care, consistent with the scale’s purpose of comprehensively quantifying overall care intensity (zorgzwaarte).

Instrument

Test Type: Observational Scale / Questionnaire

Format: The instrument consists of 15 questions or items, each assessed using 5 criteria to determine the level of dependency. The assessment can be completed via direct observation by professional staff or through a structured questionnaire format.

Language Available: Primarily Dutch (ZorgAfhankelijkheidsschaal), with translations used internationally in various research contexts.

Population Group: Adults, Elderly (Ouderen)

Age Group: Adult population (18+) including geriatric populations.

Population Details: Individuals requiring professional care due to chronic illness, disability, or age-related conditions, specifically within nursing home settings and facilities for the care of those with intellectual disability.

Test Methodology: The scale uses a structured assessment methodology focusing on the fulfillment of 15 basic needs. The resulting data provides management with information on general tasks and demands (Algemene taken en eisen) related to care provision.

Keywords

Zorgzwaarte, Dependency Measurement, Functional Assessment, Dijkstra A, Buist G, Dassen T, Care Planning, Institutional Management, Basic Needs.

Authors

Author ORCID Identifier: Specific ORCID identifiers for the authors (Dijkstra A, Buist G, Dassen T) were not provided in the source material.

Affiliation Email addresses: Affiliation contact details were not provided in the source material.

Correspondence Address: Correspondence details were not provided in the source material.

Permissions & Fee and Test Year

The Care Dependency Scale (CDS) was initially published in 1996 by Dijkstra, Buist, and Dassen. Information regarding current licensing fees or required permissions for clinical or research use should be sought directly from the copyright holders or authorized distributors.

The original explanatory document (Toelichtingsformulier) related to the CDS can be accessed via the following PDF link: The original PDF can be downloaded here (Toelichtingsformulier).

Reference’s

• Dijkstra A, Buist G, Dassen T. (1996). Development of the Care Dependency Scale. Specific publication details are generally found in Dutch academic journals focusing on nursing science and gerontology.
• The original explanatory document for the CDS (Toelichtingsformulier) references the scale’s structure and application.

Items of the Care Dependency Scale / ZorgAfhankelijkheidsschaal

IMPORTANT: The following scale items must be preserved in their original language and must not be changed in any way.

The specific 15 items of the Care Dependency Scale were not included in the provided source content. The scale is known to cover fundamental aspects of daily care, typically including mobility, hygiene, nourishment, communication, and complex medical tasks.