Evidence map›Paper›PMID 22512923›Full record

ArticleBMC palliative care2012

Assessment of the face validity of two pain scales in Kenya: a validation study using cognitive interviewing.

Kristin Tl Huang, Claudio Owino, Rachel C Vreeman, Mildred Hagembe, Festus Njuguna, R Matthew Strother, Gregory P Gramelspacher

Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in BMC palliative care, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02571933 (Face Validity and Cross-Cultural Acceptability of the FPS-R in Cameroon), which is not on this map. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 1 pooled it
2.6field-weighted citation impact, top 10% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT02571933 completednot on this mapstarted 2015, after this paper: background citation

Face Validity and Cross-Cultural Acceptability of the FPS-R in Cameroon

TypeobservationalSponsorCameroon Baptist Convention HealthRan2015 to 2016Enrolled36ConditionsPainArmsPre-treatment Faces Pain Scale - Revised, Post-treatment Faces Pain Scale - Revised, Cognitive interview
3 · Its place in the literature

Who cites it

19 citing papers in PubMed, 1 synthesis or guideline pooled it, 34 citations in OpenAlex.

  1. Pooled it
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  3. Validation of a Swahili Pediatric Pain Scale in Tanzania: An Observational Study.Pain management nursing : official journal of the American Society of Pain Management Nurses · 2026
    Observational
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 3 institutions in 2 countries.

Kristin Tl HuangUSAID - Academic Model Providing Access to Healthcare (AMPATH), P,O, Box 4806, Eldoret, Kenya. ggramels@iupui.edu.
Claudio Owino
Rachel C Vreeman
Mildred Hagembe
Festus Njuguna
R Matthew Strother
Gregory P Gramelspacher
AMPATH · KEIndiana University – Purdue University Indianapolis · USMoi University · KE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPatients in sub-Saharan Africa commonly experience pain, which often is un-assessed and undertreated. One hindrance to routine pain assessment in these settings is the lack of a single-item pain rating scale validated for the particular context. The goal of this study was to examine the face validity and cultural acceptability of two single-item pain scales, the Numerical Rating Scale (NRS) and the Faces Pain Scale-Revised (FPS-R), in a population of patients on the medical, surgical, and pediatric wards of Moi Teaching and Referral Hospital in Kenya.

methodsSwahili versions of the NRS and FPS-R were developed by standard translation and back-translation. Cognitive interviews were performed with 15 patients at Moi Teaching and Referral Hospital in Eldoret, Kenya. Interview transcripts were analyzed on a question-by-question basis to identify major themes revealed through the cognitive interviewing process and to uncover any significant problems participants encountered with understanding and using the pain scales.

resultsCognitive interview analysis demonstrated that participants had good comprehension of both the NRS and the FPS-R and showed rational decision-making processes in choosing their responses. Participants felt that both scales were easy to use. The FPS-R was preferred almost unanimously to the NRS.

conclusionsThe face validity and acceptability of the Swahili versions of the NRS and FPS-R has been demonstrated for use in Kenyan patients. The broader application of these scales should be evaluated and may benefit patients who currently suffer from pain.

Identifiers

PMID22512923
PMCPMC3393614
OpenAlexW1978052103

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.