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Pediatr Phys Ther. 2013 Winter;25(4):395-401. doi: 10.1097/PEP.0b013e31829db85b.

Concurrent validity of the TIMP and the Bayley III scales at 6 weeks corrected age.

Author information

1
Department of Physical Therapy, College of Applied Health Sciences (Dr Campbell), Department of Women, Children and Family Health Science, College of Nursing (Mr Yoder, Mss Shapiro and Li, and Dr White-Traut), and School of Public Health (Dr Rankin), University of Illinois at Chicago, Chicago, Illinois; Department of Physical and Occupational Therapy (Ms Zawacki), University of Illinois Hospital and Health Sciences System, Chicago, Illinois; Children's Hospital of Wisconsin Research Institute (Dr White-Traut), Milwaukee, Wisconsin.

Abstract

PURPOSE:

Examine agreement between the Test of Infant Motor Performance (TIMP) and the Bayley III.

METHODS:

One hundred forty-five infants born at 29 to 34 weeks gestation with socioenvironmental risk factors were tested on the TIMP and Bayley III at 6 weeks corrected age (CA). Scores were correlated to assess convergence/divergence of content. Decision analysis using a cutoff of the mean on the Bayley Motor Composite and -0.5 and -1 SD from the mean on the TIMP assessed agreement on delay/nondelay.

RESULTS:

The TIMP-Bayley Motor Composite correlation was 0.546, with Cognitive was 0.310, and with Language was 0.281. Nine percent of infants scored less than -1.0 SD on the TIMP, while no child scored less than -1 SD on the Bayley Motor scale (sensitivity, 31%).

CONCLUSIONS:

Convergent validity between the TIMP and the Bayley Motor scale was demonstrated, but no infant showed delay on any Bayley scale. The TIMP is preferred for early assessment of infants.

PMID:
24081011
PMCID:
PMC3788354
DOI:
10.1097/PEP.0b013e31829db85b
[Indexed for MEDLINE]
Free PMC Article

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