英国一个全国性队列中追赶生长的社会阶层差异。
Social class difference in catch up growth in a national British cohort.
作者信息
Teranishi H, Nakagawa H, Marmot M
机构信息
Department of Public Health, Faculty of Medicine, Toyama Medical & Pharmaceutical University, Toyama 930-0194, Japan.
出版信息
Arch Dis Child. 2001 Mar;84(3):218-21. doi: 10.1136/adc.84.3.218.
AIM
To examine the influence of socioeconomic status on growth pattern in height from age 7 to 23 years.
METHODS
Prospective cohort study. A total of 10 200 white singleton born children from the 1958 British birth cohort (National Child Development Study) were analysed.
RESULTS
Differences in height by birth weight persisted throughout the follow up period. However, the mean differences in height between low birth weight infants (<2500 g) and adequate birth weight infants (>/=2500 g) were less notable in social classes I and II than in the lower social classes. The catching up of growth in height of low birth weight infants was also more pronounced in social classes I and II than in other social classes. That is, the mean height deficits of low birth weight infants were decreased from 2.9 cm at age 7, to 1.6 cm at age 16, and 2.5 cm at age 23; the significant difference disappeared after age 16 in social classes I and II. Although such improving tendency was more pronounced among the preterm born infants, a similar growth pattern was observed among the term infants. Such improvement was not observed in the other social classes.
CONCLUSION
The growth retardation in height by birth weight can be overcome by improved social conditions and proper health care from childhood to adulthood.
目的
研究社会经济地位对7至23岁身高增长模式的影响。
方法
前瞻性队列研究。对1958年英国出生队列（全国儿童发展研究）中的10200名单胎白人出生儿童进行了分析。
结果
出生体重导致的身高差异在整个随访期持续存在。然而，与较低社会阶层相比，社会阶层I和II中低出生体重婴儿（<2500克）与正常出生体重婴儿（≥2500克）之间的平均身高差异不太明显。社会阶层I和II中低出生体重婴儿身高的追赶增长也比其他社会阶层更明显。也就是说，低出生体重婴儿的平均身高缺陷从7岁时的2.9厘米降至16岁时的1.6厘米，23岁时为2.5厘米；在社会阶层I和II中，16岁后差异不再显著。尽管这种改善趋势在早产儿中更为明显，但足月儿中也观察到了类似的生长模式。在其他社会阶层中未观察到这种改善。
结论
出生体重导致的身高发育迟缓可通过从儿童期到成年期改善社会条件和适当的医疗保健来克服。
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