Validity of the TIMPSI for Estimating Concurrent Performance on the Test of Infant Motor Performance

Campbell, Suzann K.; Swanlund, Andrew; Smith, Everett V.; Liao, Pai jun; Zawacki, Laura

doi:10.1097/pep.0b013e31815f66a6

Cited by 19 publications

(12 citation statements)

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“…The TIMPSI total and subscore reliability at each institution was excellent, as reported previously (0.95–0.99) . Details of testing methodologies and protocols are available from previously published trials and online …”

Section: Methodssupporting

confidence: 72%

Clinical trial of L‐Carnitine and valproic acid in spinal muscular atrophy type I

et al. 2017

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Section: Methodssupporting

confidence: 72%

Clinical trial of L‐Carnitine and valproic acid in spinal muscular atrophy type I

et al. 2017

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“…For those infants, the TIMPSI (containing one-half of the items of the TIMP) was developed. 17,23 Concurrent validity of the TIMPSI versus TIMP has been shown to be high (r = 0.93), 23 and test-retest reliability of the TIMPSI is also high (intraclass correlation coefficient, 0.99). 24 …”

Section: Assessment Instrumentsmentioning

confidence: 99%

Early Parent-Administered Physical Therapy for Preterm Infants: A Randomized Controlled Trial

et al. 2016

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OBJECTIVE: To investigate the short-term effect of parent-administered physical therapy in the preterm period on motor performance in medically stable infants. METHODS:This study was a pragmatic, multicenter, randomized controlled trial including 153 infants born at gestational age ≤32 weeks and randomized to an intervention (n = 74) or a control (n = 79) group. The intervention promoted postural control, head control, and midline orientation. Parents, supervised by a physical therapist, conducted the intervention 10 minutes twice a day for 3 weeks from 34 to 36 weeks' postmenstrual age (PMA). The control group received usual care. The Test of Infant Motor Performance Screening Items was used at baseline and the Test of Infant Motor Performance postintervention (week 37 PMA). Linear mixed models were used to assess change in motor performance between groups from 34 to 37 weeks' PMA by using z scores. Effect size was measured by using Cohen's d. RESULTS:The mean baseline z score was 0.06 (95% confidence interval, -0.48 to 0.60). After the intervention, there was a significant group difference, indicating a change in motor performance from week 34 to 37 PMA favoring the intervention group. The estimated difference in z scores was 0.42 (95% confidence interval, 0.13 to 0.72; P = .005), and the effect size was 0.40.CONCLUSIONS: Parent-administered physical therapy conducted before term-equivalent age improved motor performance at 37 weeks' PMA more than conventional care. All infants will be followed up until 2 years' corrected age to evaluate the long-term effects of this brief intervention. Mrs Ustad participated in planning the study, baseline and postintervention assessments, statistical analyses, and drafting of the manuscript; Dr Evensen was involved in supervision of statistical analyses and preparation of the manuscript; Drs Campbell and Girolami participated in planning the study, in preparation of the manuscript, and in proofreading; Dr Helbostad supervised the statistical analyses and preparation of the manuscript; Drs Kaaresen and Jørgensen participated in planning the study and in preparation of the manuscript; and Dr Øberg was responsible for design and planning the study and participated in postintervention assessments from video recordings, statistical analyses, and preparation of the manuscript. All authors approved the fi nal manuscript as submitted and agree to be accountable for all aspects of the work. WHAT'S KNOWN ON THIS SUBJECT: Studies on early intervention to improve motor function in preterm infants have failed to show large effects. Interventions involving parents seem to be more effective than when therapists conduct the intervention. WHAT THIS STUDY ADDS:Three weeks of parentadministered physical therapy implemented before term-equivalent age in very preterm infants improved short-term motor performance more than in the control group. The intervention was feasible and well tolerated by the infants.by guest on May 10, 2018 http://pediatrics.aappublications.org/ Downloaded from U...

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“…It has demonstrated strong predictability for scores on the TIMP when used with infants at high risk for poor motor performance, and has demonstrated reliability, validity, and sensitivity when used in that population. 22 The TIMPSI is shorter and thus can be administered quickly with less stress to the infant at high risk for poor motor performance.…”

Section: Introduction and Purposementioning

confidence: 99%

Reliability and Validity of the TIMPSI for Infants With Spinal Muscular Atrophy Type I

Krosschell

Maczulski

Scott

et al. 2013

Pediatric Physical Therapy

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Purpose This study examined the reliability and validity of the Test of Infant Motor Performance Screening Items (TIMPSI) in infants with type I spinal muscular atrophy (SMA). Methods After training, 12 evaluators scored 4 videos of infants with type I SMA to assess interrater reliability. Intrarater and test-retest reliability was further assessed for 9 evaluators during a SMA type I clinical trial, with 9 evaluators testing a total of 38 infants twice. Relatedness of the TIMPSI score to ability to reach and ventilatory support was also examined. Results Excellent interrater video score reliability was noted (intraclass correlation coefficient, 0.97–0.98). Intrarater reliability was excellent (intraclass correlation coefficient, 0.91–0.98) and test-retest reliability ranged from r = 0.82 to r = 0.95. The TIMPSI score was related to the ability to reach (P ≤ .05). Conclusion The TIMPSI can reliably be used to assess motor function in infants with type I SMA. In addition, the TIMPSI scores are related to the ability to reach, an important functional skill in children with type I SMA.

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Validity of the TIMPSI for Estimating Concurrent Performance on the Test of Infant Motor Performance

Abstract: A cutscore of -0.25 SD appears useful in predicting the best combination of false negatives (5.8%) and false positives (12.5%) with overall accuracy of classification of 81.7%.

Cited by 19 publications

References 10 publications

Clinical trial of L‐Carnitine and valproic acid in spinal muscular atrophy type I

Clinical trial of L‐Carnitine and valproic acid in spinal muscular atrophy type I

Early Parent-Administered Physical Therapy for Preterm Infants: A Randomized Controlled Trial

Reliability and Validity of the TIMPSI for Infants With Spinal Muscular Atrophy Type I

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