Table 1.
The 10 articles included in the pooled analysis
| Order | Sitting | Areas of China | Data collection | Age(interval) | N (total) | N (boys) | N (girls) | Presentation | Method of measurements | Relative measuring |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | BJ | Capital Beijing | Cluster sampling in schools and kindergartens in urban and suburban | 3–18 years (1 year) | 19,705 | 10,151 | 9554 | Dissertation 2009 | Mid-upper arm circumference | Height, weight |
| 2 | SX(U,R) | Yangquan city of Shanxi province of central north | Hierarchy cluster sampling in 101 survey sets | 0–5 years (0–6 months (1 months), 6–12 months (2 months), 1–2 years (3 months), 3–5 years (6 months)) | 6334 | 3262 | 3072 | Pan 2011 | Mid-upper arm circumference | Height, weight, circumference of chest and head |
| 3 | AH | Anhui province of central south | Random cluster sampling in 3 elementary schools and 2 junior high schools | 6–17 years (2 years) | 4476 | 2275 | 2201 | Jiang 2002 | Mid-upper arm circumference | Height, weight, circumference of chest, triceps skin-fold thickness |
| 4 | SZ | Suzhou city in Jiangsu province in Yangtze north | Cluster sampling in kindergartens | 3–6 years (1 years) | 1061 | 577 | 484 | Liu 1988 | Mid-upper arm circumference | Height, weight |
| 5 | ZJ | Zhejiang province in Yangtze south | Random sampling 1–3grade in 16 elementary schools | 6–10 years (1 years) | 1515 | 843 | 672 | Tan 2004 | Mid-upper arm circumference | Height, weight |
| 6 | IM | Hohhot city of Inner Mongolia of Northwest | Random sampling in 10 kindergartens | 3–7 years (6 months) | 3662 | 1936 | 1726 | Wuyunrle 2000 | Mid-upper arm circumference | Nine circumferences of chest, head, waist, and so on |
| 7 | LN | Dalian city of Liaoning province of Northeast | Random sampling | 7–17 years (1 years) | 1203 | 594 | 609 | Xu 2000 | Mid-upper arm circumference in Shao’s version | Four circumferences of chest, hip, minimum-waist, maximum-leg |
| 8 | GX(Miao) | Miao nationality in Guangxi municipality in Southwest | Miao nationality sampling | 8–16 years (1 years) | 814 | 454 | 360 | Huang 2005 | Mid-upper arm circumference in Wu Rukang’s version | Height, weight, skin-fold thickness, body fat |
| 9 | GX(Zhuang) | Zhuang nationality municipality of Guangxi of Southwest | Random sampling in 21 schools in 4 counties in 2 cities | 7–18 years (1 years) | 12,339 | 6825 | 5514 | Tan 1994 | Mid-upper arm circumference | Height, weight |
| 10 | GD | Guangzhou city of Guangdong province of Southeast | 2 hierarchy cluster sampling in 10 kindergartens | 4–8 years (1 years) | 9108 | 4780 | 4328 | Su 2003 | Mid-upper arm circumference | Height, weight, skin-fold thickness |