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Ann Hum Biol. 2013 Jul;40(4):309-17. doi: 10.3109/03014460.2013.775343.

The test-re-test reliability of routine infant anthropometry at primary care hospitals in Chongqing, PR China.

Author information

  • 1Department of Child Health Care, Children's Hospital of Chongqing Medical University, Chongqing, PR China. sarah6524@126.com

Abstract

BACKGROUND:

Reliable measurements of infants obtained from routine clinical practice are scarce.

AIM:

To investigate the reliability of anthropometric measurements collected in routine clinical practice at primary care hospitals in Chongqing, PR China.

SUBJECTS AND METHODS:

The convenience sample comprised measurements from 739 infants aged <36 months. Using typical methods, child healthcare clinicians (CHCCs) measured four variables (recumbent and crown-rump lengths and head and chest circumferences); child healthcare nurses (CHCNs) performed re-measurement using standardized anthropometric techniques. Intra- and inter-observer measurement reliability were assessed mainly using technical error of measurement (TEM), mean absolute difference (MAD) and coefficient of reliability (R).

RESULTS:

Intra-observer MADs of the four measurements were significantly smaller among CHCNs than among CHCCs (p < 0.05). The inter-observer TEMs of recumbent length and head circumference measurements were 0.58-0.68 and 0.38-0.48 cm, MADs were 0.60-0.71 and 0.40-0.51 cm and Rs were 0.968-0.995 and 0.937-0.971. Crown-rump length TEMs and MADs were 0.77-0.83 and 0.81-0.87 cm and Rs were 0.896-0.961. Chest circumference TEMs and MADs were >1.00 cm and Rs were <0.90.

CONCLUSIONS:

Recumbent length and head circumference measurements were fair. Crown-rump length and chest circumference measurements were less reliable.

PMID:
23837861
[PubMed - indexed for MEDLINE]
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