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A randomly selected sample of 662 12-year-old Hong Kong children, 529 of whom were Southern Chinese and 133 non-Chinese, was clinically examined for dental caries. The DMFT values were 2.76 and 1.66 for the Chinese and non-Chinese children, respectively. The D component for the Chinese children was 2.12, while for the non-Chinese children it was only 0.45.(More)
OBJECTIVE. Our objective was to perform a meta-analysis to investigate whether low birthweight (LBW) or preterm birth was associated with difficulty in mental, neuromusculoskeletal, and movement-related school function tasks. METHOD. Two search strategies produced 40 studies that met the inclusion criteria for the meta-analysis and yielded 549 effect sizes(More)
Randomly selected groups of 486 Southern Chinese and 129 non-Chinese 12-yr-old Hong Kong children were examined for calculus and oral debris. The non-Chinese children had less plaque and calculus than the Chinese children (P less than 0.001). The girls had lower plaque scores than the boys in both ethnic groups. The higher frequency of toothbrushing by the(More)
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