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Responsiveness of clinical and laboratory measures to intervention effects in children with developmental
Danielle Larke1, Amity Campbell, Lynn Jensen
1Hobart Hospital (Ms Larke), Hobart, Australia; The School of Physiotherapy and Exercise Science (Ms Larke and Jensen, Drs Campbell and Straker), Curtin University, Perth, Australia.
Purpose:
To compare responsiveness of the Movement Assessment Battery for Children-2 (MABC-2) and segment kinematics and center of pressure measures in detecting intervention effects in children with developmental coordination disorder.
Methods:
Motion Analysis Laboratory (MAL) data from 21 children with developmental coordination disorder (mean age 11.0 years) in a randomized control trial were analyzed using effect size, minimal detectable difference, and parent and child report of meaningfulness (χ2 tests).
Results:
The MABC-2 and MAL data showed moderate-large effect sizes (0.7-1.8). The MABC-2 detected large portions of children whose change exceeded the minimal detectable difference (47.6%-71.4%); MAL data detected small portions (0%-19.0%). Neither tool correlated well with meaningfulness (χ2 = 0.186-5.724; P > .10). Both tools detected change in the overall group; however, only the MABC-2 detected individual change exceeding potential measurement error.
Conclusions:
Although both assessment tools are responsive, they may be responsive to different types of change. Therefore, assessment constructs should be matched to intervention goals.
