Brief Abuse Screen for the Elderly (BASE)

Abstract

The Brief Abuse Screen for the Elderly (BASE) is a concise, self-report screening tool consisting of six items, specifically developed to facilitate the rapid detection of elder abuse, neglect, and exploitation among older adults. Developed utilizing the World Health Organization (WHO) Guidelines on Elder Abuse and Neglect, the BASE is intended for administration by a healthcare provider during a brief face-to-face interview. Due to its ease of use and quick completion time (typically under five minutes), it serves as a critical initial step in clinical settings to identify patients who may be at risk for various forms of maltreatment, informing subsequent referral and intervention decisions.

Keywords

Elder abuse, neglect, exploitation, geriatric assessment, screening tool, healthcare, maltreatment, older adults, WHO guidelines.

Authors

Reis M., Nahmiash D.

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Purpose

The primary purpose of the BASE instrument is to provide a quick and efficient method for healthcare professionals to screen for potential elder abuse and neglect in clinical settings. This tool is designed to overcome barriers associated with lengthy or complex screening processes, ensuring that the critical issue of maltreatment can be addressed rapidly during routine patient encounters.

By assessing the likelihood of abuse across multiple domains, the BASE helps clinicians determine the urgency of intervention and the need for immediate referrals to protective services or specialized care. Its structured format guides the provider to evaluate the risk posed by both caregivers and other individuals in the older adult’s environment.

Construct

The BASE measures the broad construct of Elder Maltreatment, which encompasses various forms of harm or distress inflicted upon older adults. The scale specifically targets and assesses indicators related to five major categories of abuse, aligning with established definitions used by the World Health Organization.

The assessed dimensions of maltreatment include: physical abuse, psychological/psychosocial abuse, financial exploitation, and sexual abuse, alongside general indicators of neglect (both passive and active). The instrument focuses on identifying potential signs of these harms, particularly when perpetrated by a caregiver or other close associates.

Validity

The Brief Abuse Screen for the Elderly is cited as a validated screening tool in the context of detecting elder abuse and neglect. Its conceptual framework is robustly grounded in the official WHO Guidelines on Elder Abuse and Neglect, providing strong content validity based on internationally recognized criteria for identifying maltreatment.

While the specific validation study of the BASE itself is often linked to the validation work done on its precursor or related instruments, such as the Indicators of Abuse (IOA) screen, the tool has demonstrated effectiveness in identifying individuals at risk. Its validity lies in its ability to quickly triage patients requiring deeper assessment for various forms of harm, including physical, psychological, and financial abuse.

Reliability

The BASE is described in clinical literature as a reliable instrument for identifying elder maltreatment. Reliability in this context refers to the tool’s consistency in yielding similar results when administered under comparable conditions, thereby ensuring that the identification of potential abuse is dependable rather than arbitrary.

Although specific psychometric data, such as Cronbach’s alpha coefficients for internal consistency or test-retest reliability scores, are not explicitly provided in the source material, the overall clinical consensus confirms its utility as a reliable, rapid screening mechanism for healthcare providers in high-stress clinical environments.

Factor Analysis

Detailed information regarding the factor structure or factor analysis of the six items comprising the Brief Abuse Screen for the Elderly (BASE) was not provided within the available source content. Given its nature as a brief, multi-domain screening checklist rather than a complex latent variable measure, the primary focus of its development centered on content validity and clinical applicability across the defined categories of abuse and neglect.

Instrument

Test Type: Screening Tool, Self-Report (Administered via Interview)

Format: Six-item structured interview checklist with Likert-style severity ratings for suspected abuse.

Language Available: English (Primary publication language)

Population Group: Older adults (Elderly) and their caregivers.

Age Group: Typically 65 years and older, or adults receiving care who are vulnerable to maltreatment.

Population Details: Used primarily in healthcare settings (hospitals, clinics, primary care) to screen vulnerable patients.

Test Methodology: Face-to-face administration by a healthcare provider. The tool is designed to be completed quickly, ideally in under five minutes, allowing for immediate clinical judgment regarding the necessity of intervention or referral.

Keywords

Elderly screening, caregiver burden, financial exploitation, physical abuse, psychological abuse, neglect, clinical assessment, brief instrument.

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Authors

Author ORCID Identifier: Information not provided.

Affiliation Email addresses: Information not provided.

Correspondence Address: Information not provided.

Permissions & Fee and Test Year

Permissions and Fees: Information regarding specific licensing fees or formal permissions for clinical use beyond academic research was not provided in the source material. However, as it is often published within systematic reviews and agency guidelines (e.g., AHRQ), it is frequently utilized as a publicly available clinical resource.

Test Year: The validation context for related instruments, which heavily influenced the BASE structure, dates back to 1998 (Reis & Nahmiash).

Reference’s

The instrument and related validation studies are referenced in the following academic publications and documents:

• Reis M, Nahmiash D. (1998). Validation of the Indicators of Abuse (IOA) screen. The Gerontologist; 38(4):471-480.
• Nelson. Heidi, Nygren. Peggy, McInerney. Yasmin,. (2004). Screening for Family and Intimate Partner Violence. U.S. Department of Health and Human Services Agency for Healthcare Research and Quality. Systematic Evidence Review; 28. The original systematic review can be found at: www.ahrq.gov

The complete instrument text can be found in the following external documents. Note that the first link directs to a PDF document published by the Agency for Healthcare Research and Quality (AHRQ):

• The original PDF can be downloaded here: http://www.ahrq.gov/downloads/pub/prevent/pdfser/famviolser.pdf
• An additional resource for the BASE Tool (dated 2011) can be found here: http://www.nicenet.ca/files/U_of_T_Nice_180318_BASE_Tool_Final_for_Use_In_June_2011-1Sep11.pdf

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Items of the Brief Abuse Screen for the Elderly (BASE)

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

1. Is the client an older person or caregiver? Yes___ No___

2. Is the client a caregiver of an older person? Yes___ No___

3. Do you suspect abuse? (see also #4 and #5) Yes___ No___

i) By caregiver (comments)____________________________

1 2 3 4 5

1=no; not at all‚ 2= only slightly doubtful‚ 3=possibly; probably somewhat‚ 4= yes; quite likely‚ 5= definitely

ii) By care receiver or other (comments)___________________

1=no; not at all‚ 2= only slightly doubtful‚ 3=possibly; probably somewhat‚ 4= yes; quite likely‚ 5= definitely

4. If any answer for #3 except “no‚ not at all‚” indicate what kind(s) of abuse(s) is (are) suspected.

a) physical‚ b) psychosocial‚ c) financial‚ d) neglect (includes passive and active)‚ e) sexual

5. If abuse is suspected‚ about how soon do you estimate that intervention is needed?

1= immediately‚ 2= within 24 hrs‚ 3=24-72 hrs‚ 4= 1 week‚ 5= 2 or more weeks

Scoring information was not provided.