Measurement Property Summary
Number of studies reporting psychometric properties: 3
Interpretability
- MCID: not established in SCI population
- SEM: not established in SCI population
- MDC: not established in SCI population
Reliability – Low to High
Number of studies reporting reliability data: 3
- Low to High test-retest reliability:
- Overall α = 0.8238
- Subscale α = 0.694-0.904
(Berry & Kennedy 2002; n=43; 38 males, 5 females; mean (SD) age: 42.2 (14.6) years; complete and incomplete tetraplegia and paraplegia)
- Low to High internal consistency:
- Overall α = 0.83
- Subscale α = 0.6729-0.9467
(Kennedy et al. 2003; n=192; 147 males; 45 females; mean (SD) age: 40.7 (16.5) years, tetraplegia and incomplete SCI)
-
- Overall α = 0.889
- All subscales α = > 0.7
(Kennedy et al. 2012; n=193; 143 males, 50 females; mean age: 46.6 years; tetraplegia and paraplegia; complete and incomplete injuries)
Validity – Moderate to High
Number of studies reporting validity data: 1
- High correlation between the NAC ADL with SCIM-II (r = 0.873), the NAC Bladder & Bowel with SCIM-II (r = 0.754), and the NAC Mobility with SCIM-II (r = 0.696)
- High correlation between the NAC psychological issues (mood subsection) with HADS (r = -0.726).
- Moderate to High correlation between the NAC psychological issues (full subscale) with HADS (r = -0.523).
(Berry & Kennedy 2002; n=43; 38 males, 5 females; mean (SD) age: 42.2 (14.6) years; complete and incomplete tetraplegia and paraplegia)
Responsiveness
No values were reported for the responsiveness of the NAC for the SCI population at this time.
Floor/Ceiling Effect
No values were reported for the presence of floor/ceiling effects in the NAC for the SCI population.
Reviewers
Dr. Carlos L. Cano-Herrera, Tyra Chu
Date Last Updated
December 31, 2024
