Test-Retest Reliability of ImPACT Across a Two-Year Interval in Collegiate Athletes. (26th July 2019)
- Record Type:
- Journal Article
- Title:
- Test-Retest Reliability of ImPACT Across a Two-Year Interval in Collegiate Athletes. (26th July 2019)
- Main Title:
- Test-Retest Reliability of ImPACT Across a Two-Year Interval in Collegiate Athletes
- Authors:
- Burley, C
Datoc, A
Bennett, R
Lashley, L - Abstract:
- Abstract: Purpose: To examine the two-year test-retest reliability of Immediate Post-concussion Assessment and Cognitive Testing (ImPACT) in a sample of collegiate athletes. Methods: A total of 163 college athletes (63.8% female) completed two pre-season baseline assessments two years apart as mandated by their athletic programs. Participants completed the first baseline prior to their first year of competition (M age=18.38, M edu=12.13). Individuals with baselines flagged as invalid by ImPACT were excluded. No diagnosed concussions occurred between baseline assessments. Results: Pearson r correlations for ImPACT composite scores between assessments ranged from .32 to .70. Paired samples t-tests indicated significant differences between verbal memory (t(162)=-4.61, p<.001, MD=-3.6) and visual-motor speed (t(162)=-4.10, p<.001, MD=-1.5) at time 1 and time 2. Intraclass correlation coefficients (ICCs) with a "two-way mixed" model and "consistency" type indicated higher reliability for all composite scores. Visual-motor speed (mean ICC=.83; .76–.87 95% confidence interval [CI]) was the most reliable composite score, followed by visual memory (.66; 95% CI .53-.75), impulse control (.62; 95% CI .48–.72), verbal memory (.58; 95% CI .43–.69), and reaction time (.49; 95% CI .30-.62). The total symptom score showed moderate reliability (.63; 95% CI .50–.73). Conclusion: Overall, ImPACT composite and total symptom scores appear to maintain relative long-term stability in a collegiateAbstract: Purpose: To examine the two-year test-retest reliability of Immediate Post-concussion Assessment and Cognitive Testing (ImPACT) in a sample of collegiate athletes. Methods: A total of 163 college athletes (63.8% female) completed two pre-season baseline assessments two years apart as mandated by their athletic programs. Participants completed the first baseline prior to their first year of competition (M age=18.38, M edu=12.13). Individuals with baselines flagged as invalid by ImPACT were excluded. No diagnosed concussions occurred between baseline assessments. Results: Pearson r correlations for ImPACT composite scores between assessments ranged from .32 to .70. Paired samples t-tests indicated significant differences between verbal memory (t(162)=-4.61, p<.001, MD=-3.6) and visual-motor speed (t(162)=-4.10, p<.001, MD=-1.5) at time 1 and time 2. Intraclass correlation coefficients (ICCs) with a "two-way mixed" model and "consistency" type indicated higher reliability for all composite scores. Visual-motor speed (mean ICC=.83; .76–.87 95% confidence interval [CI]) was the most reliable composite score, followed by visual memory (.66; 95% CI .53-.75), impulse control (.62; 95% CI .48–.72), verbal memory (.58; 95% CI .43–.69), and reaction time (.49; 95% CI .30-.62). The total symptom score showed moderate reliability (.63; 95% CI .50–.73). Conclusion: Overall, ImPACT composite and total symptom scores appear to maintain relative long-term stability in a collegiate sample across a two-year period. ImPACT composite scores showed moderate to good reliability, and total symptom scores showed moderate reliability. Results of this study corroborate previous research indicating moderately stable ImPACT scores across a 2-year test-retest period in collegiate athletes (Schatz, 2010). … (more)
- Is Part Of:
- Archives of clinical neuropsychology. Volume 34:Number 5(2019)
- Journal:
- Archives of clinical neuropsychology
- Issue:
- Volume 34:Number 5(2019)
- Issue Display:
- Volume 34, Issue 5 (2019)
- Year:
- 2019
- Volume:
- 34
- Issue:
- 5
- Issue Sort Value:
- 2019-0034-0005-0000
- Page Start:
- 778
- Page End:
- 778
- Publication Date:
- 2019-07-26
- Subjects:
- Clinical neuropsychology -- Periodicals
616.805 - Journal URLs:
- http://acn.oxfordjournals.org/?code=acn&.cgifields=code&homepage.x=152&homepage.y=14 ↗
http://www.sciencedirect.com/science/journal/08876177 ↗
http://ukcatalogue.oup.com/ ↗ - DOI:
- 10.1093/arclin/acz026.48 ↗
- Languages:
- English
- ISSNs:
- 0887-6177
- Deposit Type:
- Legaldeposit
- View Content:
- Available online (eLD content is only available in our Reading Rooms) ↗
- Physical Locations:
- British Library DSC - 1634.090000
British Library DSC - BLDSS-3PM
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- 15135.xml