Validation of Actigraphy in Middle Childhood
| Autor: | Sarah N. Biggs, Joel Traylor, Lisa J. Meltzer, Carole L. Marcus, Ji Young Kim, Rakesh Bhattacharjee, Indra Narang, Petrina Wong |
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| Rok vydání: | 2015 |
| Předmět: |
Male
medicine.medical_specialty Time Factors Polysomnography Environment Middle childhood Sensitivity and Specificity Pediatrics Nocturnal Myoclonus Syndrome 03 medical and health sciences 0302 clinical medicine Physiology (medical) medicine Humans 030212 general & internal medicine Wakefulness Child Sleep Apnea Obstructive medicine.diagnostic_test Actigraphy medicine.disease Sleep in non-human animals Obstructive sleep apnea Child Preschool Ambulatory Physical therapy Premature Birth Female Neurology (clinical) Sleep onset latency Psychology Sleep 030217 neurology & neurosurgery |
| Zdroj: | Sleep. 39(6) |
| ISSN: | 1550-9109 |
| Popis: | Study objectives Few studies have examined the validity of actigraphy in school-aged children. The objective of this study was to examine the validity of a commonly used actigraph compared to polysomnography (PSG) in a sample of children age 5 to 12 y born prematurely, sleeping in their natural home environment. Methods 148 children born preterm (85 boys and 63 girls), ages 5-12 y (mean = 9.3 y, standard deviation = 2.0) wore the Philips Respironics Actiwatch-2 for 1 night concurrently with comprehensive, ambulatory PSG in the child's home. Sleep outcome variables were sleep onset latency, total sleep time (TST), and sleep efficiency. Epoch-by-epoch comparisons were used to determine sensitivity, specificity, and accuracy. Secondary analyses examined differences between children with no sleep issues, obstructive sleep apnea syndrome, and periodic limb movements in sleep (PLMS). Results Actigraphy significantly underestimated TST (30 min) and sleep efficiency (5%). Actigraphy underestimated or overestimated sleep onset latency by at least 10 min for a third of the children. Sensitivity and accuracy were good at 0.88 and 0.84, respectively, whereas specificity was lower at 0.46. Differences between actigraphy and PSG for TST and sleep efficiency were greatest for children with PLMS. Conclusions This study adds to the small existing literature demonstrating the validity of actigraphy in middle childhood. Although actigraphy shows good sensitivity (ability to detect sleep), specificity (ability to detect wake) is poor in this age group. Further, the results highlight the importance of considering whether a child has PLMS when interpreting actigraphic data, as well as the difficulties in accurately capturing sleep onset latency with actigraphy. |
| Databáze: | OpenAIRE |
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