COA At-a-Glance
Evidence of cognitive interviewing of draft instrument in target patient population
Evidence of internal consistency
Evidence of test-retest or inter-rater reliability
Evidence of concurrent validity
Evidence of known-groups validity
Evidence of ability to detect change over time
Evidence of responder thresholds
Inclusion of the COA in product labelling
- Overview
- Content Validity
- Reliability
- Validity
- Ability to Detect Change
- Responder Thresholds
- Reference(s) of development / validation
- Other references
- Inclusion of the COA in product labelling
- Existence of Scoring / Interpretation / User Manual
- Original language and translations
- References of translations
- Authors and contact information
- Condition of use: copyright
- Website
- Review copy
Overview
Instrument Name: Jebsen-Taylor Test of Hand Function
Abbreviation: JTTHF
Points for Consideration:
Used in adults. Not used in pediatric populations.
Description of Tool:
The Jebsen-Taylor Test of Hand Function is a PerfO which measures the amount of time it takes to complete 7 tasks: Writing, Simulated page turning, Picking up small common objects,
Simulated feeding,
Stacking checkers,
Picking up large light objects, and Picking up large heavy objects. Higher scores represent longer times to perform the tasks.
Minimum Qualification Required by COA Administrator: MA or BA
Comment:
Also called Jebsen-Taylor Hand Function Test (JTHFT) or Jebsen Hand Function Test (JHFT)
Year: 1969
Objective of Development:
To measure fine and gross motor hand function
Population of Development: Age range (therapeutic indication):
20-94 years (Cerebral Palsy, Brain Diseases)
Pediatric Population(s) in which COA has been used:
Congenital, Hereditary, and Neonatal Diseases and Abnormalities; Wounds and Injuries; Nervous System Diseases; Nutritional and Metabolic Diseases; Musculoskeletal Diseases; Cardiovascular Diseases; Mental disorders; Pathological Conditions, Signs and Symptoms; Endocrine System Diseases; Immune System Diseases; Skin and Connective Tissue Diseases; Eye Diseases
COA type:
Number of Items 7 tasks
Mode of Administration:
Data Collection Mode:
Time for Completion: 15 to 45 minutes
Response Scales: Time (seconds)
Summary of Scoring:
Available Score:
Global score of total time to complete 7 subtests
Weighting:
No
Score Interpretation:
Higher score = Longer time to perform the tasks
Content Validity
Evidence of Literature Review: Yes
Evidence of Instrument Review: Yes
Evidence of Clinical or Expert Input: Yes
Evidence of concept elicitation in target patient population: None identified
Evidence of a Saturation Grid: None identified
Evidence for Selection of Data Collection Method: None identified
Recall/Observation Period:
Evidence for Selection of Reponse Options: None identified
Evidence of cognitive interviewing of draft instrument in target patient population: None identified
Evidence of Preliminary Scoring of Items and Domains: None identified
Evidence related to respondent and administrator burden: None identified
Evidence of a Conceptual Framework: None identified
Evidence of an item-tracking matrix: None identified
Evidence related to item selection: None identiifed
Evidence of re-testing the final version: None identified
Reliability
Internal consistency (Cronbach's alpha): None Identified
Test-retest Reliability (ICC):
Not applicable
Inter-rater/ inter-interviewer reliability (kappa):
Jebsen RH (1969)
- Pearson's correlation coefficients: For all 7 subtests and for both hands, r ranged between 0.6 and 0.99 (p<0.01 for all values)
- t-test: No significant difference was found between the two administrations (data Not shown; p<0.05)
- Was a definition of stability applied to identify stable patients: Yes; patients with stable hand disabilities
- Time frame or interval between the two administrations: Not stated
- Population/Disease: Patients with stable hand disabilities; n=26, mean age= 34.5 years± 20 years
ConNolly AM (2015)
Intra-rater reliability:
- Intraclass Correlation Coefficient (ICC):
- Writing Non-dominant hand: 0.79
- Writing dominant hand: 0.87
- Simulated page turning Non-dominant hand: 0.70
-Simulated pae turning dominant hand: 0.90
- Lifting smal common objects Non-dominant hand: 0.95
- Lifting smal common objects dominant hand: 0.94
- Simulated feeding Non-dominant hand: 0.58
- Simulated feeding -dominant hand: 0.73
- Stacking checkers Non-dominant hand: 0.82
- Stacking checkers dominant hand: 0.91
-Lifting light objects Non-dominant hand: 0.88
-Lifting light objects dominant hand: 0.85
- Lifting heavy objects Non-dominant hand: 0.92
- Lifting heavy objects dominant hand: 0.80
- Was a definition of stability applied to identify stable patients: The same day
- Time frame or interval between the two administrations: 1 hour
- Population/Disease: Non-ambulatory boys/men with Duchenne Muscular Dystrophy ; n= 91, mean age 16.7±4.5 years)
Evidence of test-retest or inter-rater reliability: Yes
Validity
Concurrent validity (convergent, divergent):
Corben LA (2018)
1.Correlation coefficient used: Not stated
- Measure: Nine Hole Peg Test (9HPT)
- Results: Significant correlation was found between JHFT and 9HPT: r= 0.58, p<0.001)
- Population/Disease: Patients Friedreich ataxia; n=73, age range :Not stated
Artilheiro MC (2017)
2. Correlation coefficient used: Spearman Correlation Coefficients
- Measure: Performance of Upper Limb (PUL) total score and PUL shoulder, elbow and wirst
- Results: p<0.001 for all results
Significant correlation was found between PUL total score and JTT 2 (r= -0.758)
Significant correlation was found between PUL total score and JTT 3 (r= -0.817)
Significant correlation was found between PUL total score and JTT 4 (r= -0.780)
Significant correlation was found between PUL total score and JTT 5 (r= -0.782)
Significant correlation was found between PUL total score and JTT 6 (r= -0.853)
Significant correlation was found between PUL total score and JTT total score (r= -0.706)
- Population/Disease: Patients Friedreich ataxia (53%), limb-girdle muscular dystrophy (26.7%), Becker muscular dystropgy (10%), myotonic dystrophy type 1 (6.7%) and fascioscapulohumeral dystrophy (3.3%); n=30, age range :11 to 47 years (21.1±7.9 years)
3. Correlation coefficient used: Spearman Correlation Coefficients
- Measure: Performance of Upper Limb (PUL) and PUL shoulder, elbow and wirst
- Results: p<0.001 for all results
Significant correlations were found between PUL shoulder and JTT subitems (excepted the first): r= -0.644 to -0.736
Significant correlation was found between PUL shoulder and JTT total score: r= -0.587
Significant correlations were found between PUL elbow and all JTT subitems (excepted the first): r= 0.658 to 0.751
Significant correlation was found between PUL elbow and JTT total score: r= -0.614
Significant correlations were found between PUL wrist and all JTT subitems (excepted the first): r= 0.714 to 0.868
Significant correlation was found between PUL wrist and JTT total score r= -0.730
- Population/Disease: Patients Friedreich ataxia (53%), limb-girdle muscular dystrophy (26.7%), Becker muscular dystropgy (10%), myotonic dystrophy type 1 (6.7%) and fascioscapulohumeral dystrophy (3.3%); n=30, age range :11 to 47 years (21.1±7.9 years)
Known-group validity:
Jebsen RH (1969)
KNown-groups validity:
1- Measure/Groups of patients: Two groups (males aged between 20 and 59 years: n=120; males aged between 60 and 94 years: n=30)
- A priori hypotheses: Not stated
- Were hypotheses confirmed: Not applicable
- Results: Males aged between 60 and 94 years required significantly more time than those aged between 20 and 59 years to perform all of the 7 subtests, with both the dominant hand or the Non-dominant hand (t-test, data Not shown; p<0.05)
- Population/Disease: Patients with No hand disability; n=150, age range : 20-94 years
2- Measure/Groups of patients: Two groups (females aged between 20 and 59 years: n=120; females aged between 60 and 94 years: n=30)
- A priori hypotheses: Not stated
- Were hypotheses confirmed: Not applicable
- Results: Females aged between 60 and 94 years required significantly more time than those aged between 20 and 59 years to perform all of the 7 subtests, with both the dominant hand or the Non-dominant hand (t-test, data Not shown; p<0.05), except for simulated feeding with both the dominant hand or the Non-dominant hand
- Population/Disease: Patients with No hand disability; n=150, age range : 20-94 years
Corben LA (2018)
3- Measure/Groups of patients: Correlation with disease duration
- A priori hypotheses: Not stated
- Were hypotheses confirmed: Not applicable
- Results: Coefficient used: Not stated
A significant correlation was found between JHFT and disease duration (rho= 0.40, p<0.001)
- Population/Disease: Patients Friedreich ataxia; n=73, age range :Not stated
Corben LA (2010)
4- Measure/Groups of patients: Correlation with disease duration
- A priori hypotheses: Not stated
- Were hypotheses confirmed: Not applicable
- Results: Spearman Rank correlation coefficient
A significant correlation was found between JHFT dominant hand and disease duration (r= -0.46, p<0.01)
A significant correlation was found between JHFT Non-dominant hand and disease duration (r= -0.41, p<0.05)
- Population/Disease: Patients Friedreich ataxia; n=38, age range 15.1-59.2; mean age (SD)= 31.6 (12.6)
5- Measure/Groups of patients: Correlation with Friedreich Ataxia Rating Scale
- A priori hypotheses: Not stated
- Were hypotheses confirmed: Not applicable
- Results: Spearman Rank correlation coefficient
A significant correlation was found between JHFT dominant hand and disease duration (r= -0.74, p<0.01)
A significant correlation was found between JHFT Non-dominant hand and disease duration (r= -0.74, p<0.01)
- Population/Disease: Patients Friedreich ataxia; n=38, age range 15.1-59.2; mean age (SD)= 31.6 (12.6)
Evidence of Translatability Assessment: None identified
Evidence related to missing data: None identified
Evidence for Selection of Recall Period: None identified
Evidence of Administration Instructions and Training Provided: None identified
Evidence of concurrent validity: Yes
Evidence of known-groups validity: Yes
Evidence of ability to detect change over time: Yes
Ability to Detect Change
Ability to detect change (Responsiveness):
Maciel FKL (2021)
Responsiveness:
Methods:
- Population/Disease: Patients with Duchenne Muscular Dystrophy; n= 28. Age range 6-19 years (mean 12.1±3.6 years)
- Time horizon: After 6 and 12 months
- Statistics used: ANOVA and Bonferroni's multiple comparisons
Results:
ANOVA
- An effect of the time on the performance of the upper limb was found (F2.54= 3.442; p= 0.001) in total JTT
- An effect of the time on the performance of the upper limb was found (F2.54= 4.182; p= 0.02) in 2JTT
- An effect of the time on the performance of the upper limb was found (F2.54= 8.385; p= 0.003) 3JTT
- An effect of the time on the performance of the upper limb was found (F2.54= 3.235; p= 0.047) 4JTT
- An effect of the time on the performance of the upper limb was found (F2.54= 3.512; p= 0.037) 5JTT
Bonferroni's multiple comparisons:
- For 2JTT a significant difference occured between the initial assessments and after 6 monts (p = 0.040) and between the initials assessments and after 12 months (p 0.010)
- For 3JTT a significant difference occured between the initial assessments and after 6 monts (p = 0.003) and between the initials assessments and after 12 months (p 0.001)
- For 4JTT a significant difference occured between the initials assessments and after 12 months (p 0.028)
- For 2JTT a significant difference occured between the initial assessments and after 6 monts (p = 0.034) and between the initials assessments and after 12 months (p 0.021)
- For total JTT a significant difference occured between the initials assessments and after 12 months (p 0.009)
Responder Thresholds
Evidence of responder thresholds: None identified
Reference(s) of development / validation
Jebsen RH, Taylor N, Trieschmann RB, Trotter MJ, Howard LA. An objective and standardized test of hand function. Arch Phys Med Rehabil. 1969 Jun;50(6):311-9 (No abstract available)
Other references
[Conference Abstract] Corben LA, Nguyen KD, Pathirana PN. Developing an Instrumented Measure of Upper Limb Function in Friedreich Ataxia. Cerebellum. 2021 Jan 5.
(https://pubmed.ncbi.nlm.nih.gov/33400236/)
Maciel FKL, Santos ALYDS, Sá CDSC. RESPONSIVENESS OF UPPER LIMB SCALES AND TRUNK CONTROL FOR THE EVOLUTION OF PATIENTS WITH DUCHENNE MUSCULAR DYSTROPHY. Rev Paul Pediatr. 2021 Feb 24;39:e2020045.
(https://pubmed.ncbi.nlm.nih.gov/33656143/)
ConNolly AM, Malkus EC, Mendell JR. Outcome reliability in Non-ambulatory boys/men with Duchenne muscular dystrophy. Muscle Nerve. 2015 Apr;51(4):522-32.
(https://pubmed.ncbi.nlm.nih.gov/25056178/)
Corben LA, Tai G, Wilson C. A comparison of three measures of upper limb function in Friedreich ataxia. J Neurol. 2010 Apr;257(4):518-23.
(https://pubmed.ncbi.nlm.nih.gov/19823893/)
Artilheiro MC, Cardoso de Sá CD, Fávero FM. Hand Function in Muscular Dystrophies. Percept Mot Skills. 2017 Apr;124(2):441-451.
(https://pubmed.ncbi.nlm.nih.gov/28361653/)
Beagley SB, Reedman SE, Sakzewski L, Boyd RN. Establishing Australian Norms for the Jebsen Taylor Test of Hand Function in Typically Developing Children Aged Five to 10 Years: A Pilot Study. Phys Occup Ther Pediatr. 2016;36(1):88-109. doi: 10.3109/01942638.2015.1040571. Epub 2015 Sep 30. PMID: 26422461. (Full text article: https://pubmed.ncbi.nlm.nih.gov/26422461/)
Culicchia G, Nobilia M, Asturi M, et al. Cross-Cultural Adaptation and Validation of the Jebsen-Taylor Hand Function Test in an Italian Population. Rehabil Res Pract. 2016;2016:8970917. doi:10.1155/2016/8970917 (Full text article: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4967698/)
Hackel ME, Wolfe GA, Bang SM, Canfield JS. Changes in hand function in the aging adult as determined by the Jebsen Test of Hand Function. Phys Ther. 1992 May;72(5):373-7. doi: 10.1093/ptj/72.5.373. PMID: 1631206. (Full text article: https://pubmed.ncbi.nlm.nih.gov/1631206/)
Takla, Mary KN, Enas AK Mahmoud, and Neveen Abd El-Latif. "Jebsen Taylor Hand Function test: Gender, dominance, and age differences in healthy Egyptian population." Bulletin of Faculty of Physical Therapy 23.2 (2018): 85-93. (Full text article: https://bfpt.springeropen.com/track/pdf/10.4103/bfpt.bfpt_11_18.pdf)
Inclusion of the COA in product labelling
None identified
Existence of Scoring / Interpretation / User Manual
Original language and translations
Original language:
English
Translations:
Italian
References of translations
Italian:
Nobilia M, Culicchia G, Tofani M, De Santis R, Savona A, GuariNo D, Valente D, Galeoto G. Italian Version of the Jebsen-Taylor Hand Function Test for the Assessment of Hand Disorders: A Cross-Sectional Study. Am J Occup Ther. 2019 May/Jun;73(3):7303205080p1-7303205080p6
Condition of use: copyright
Not reported
Website
Not reported
Review copy
None identified