Peer Review
TURNITIN_LENGTH AND HEIGHT PERCENTILES FOR CHILDREN IN THE SOUTH EAST ASIAN NUTRITION SURVEYS (SEANUTS)
Objective: Health and nutritional information for many countries in the South-East
Asian region is either lacking or no longer up to date. The present study aimed to
calculate length/height percentile values for the South-East Asian Nutrition Survey
(SEANUTS) populations aged 0·5–12 years, examine the appropriateness of
pooling SEANUTS data for calculating common length/height percentile values for
all SEANUTS countries and whether these values differ from the WHO growth
references.
Design: Data on length/height-for-age percentile values were collected. The LMS
method was used for calculating smoothened percentile values. Standardized site
effects (SSE) were used for identifying large or unacceptable differences (i.e.
jSSEj>0·5) between the pooled SEANUTS sample (including all countries) and
the remaining pooled SEANUTS samples (including three countries) after
weighting sample sizes and excluding one single country each time, as well as
with WHO growth references.
Setting: Malaysia, Thailand, Vietnam and Indonesia.
Subjects: Data from 14 202 eligible children were used.
Results: From pair-wise comparisons of percentile values between the pooled
SEANUTS sample and the remaining pooled SEANUTS samples, the vast majority
of differences were acceptable (i.e. jSSEj≤0·5). In contrast, pair-wise comparisons
of percentile values between the pooled SEANUTS sample and WHO
revealed large differences.
Conclusions: The current study calculated length/height percentile values for South
East Asian children aged 0·5–12 years and supported the appropriateness of using
pooled SEANUTS length/height percentile values for assessing children’s growth
instead of country-specific ones. Pooled SEANUTS percentile values were found to
differ from the WHO growth references and therefore this should be kept in mind
when using WHO growth curves to assess length/height in these populations.
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