Table 3.
Survey time | Sites | Testing methoda | Sample size | Districs (Sample size) | Age range |
---|---|---|---|---|---|
2010 | Guangdong province | 1 | 1517 | 0–14 years | |
2003 | Foshan | 2 | 5175 | 3–6 years | |
2003 | Henan province | 2 | 527 | urban (251) | 3–5 years |
industrial (276) | |||||
2003 | Foshan | 2 | 588 | urban (346) | newborn |
suburban (242) | |||||
2006 | Nanjing | 1 | 404 | urban (404) | 9–12 years |
2008 | Ya’an | 1 | 703 | 0–12 years | |
2001 | Henan province | 1 | 585 | 0–6 years | |
2005 | Tai’an | 1 | 1200 | 7–12 years | |
2004 | Xuzhou | 1 | 1070 | 0–6 years | |
1997 | Guangxi province | 1 | 1508 | urban (1508) | newborn |
1993 | Shanghai | 1 | 348 | urban (348) | newborn |
1997 | Zhejiang province | 1 | 1320 | Urban (1024) | 0–6 years |
suburban (296) | |||||
1997 | Beijing | 1 | 270 | urban (270) | 0–18 months |
2006 | Hohhot | 1 | 585 | 7–12 years | |
2005 | Urumqi | 1 | 987 | urban (987) | 6–10 years |
2004 | linyi | 1 | 1228 | urban (1228) | 2–6 years |
2004 | Guangzhou | 1 | 1215 | urban (1215) | 0–6 years |
2008 | Nanjing | 1 | 1258 | urban (1258) | 3–6 years |
2004–2006 | China | 1 | 44,045 | urban (44,045) | 0–6 years |
2005 | China | 1 | 17,141 | urban (17,141) | 0–6 years |
2010 | Guangzhou | 1 | 2464 | urban (2464) | 0–6 years |
2005 | Lishui | 1 | 2369 | urban (2369) | 3–6 years |
2006 | Anshan | 1 | 408 | urban (408) | 3–6 years |
2002 | Foshan | 2 | 152 | newborn | |
2002 | Guangzhou | 2 | 653 | urban (653) | 0–6 years |
2003 | Wuhu | 2 | 300 | urban (193) | 3–5 years |
suburban (47) | |||||
industrial (56) | |||||
2002 | Guangzhou | 2 | 1905 | urban (1518) | 3–14 years |
rural (387) | |||||
2002 | Anshan | 1 | 913 | urban (150) | 0–6 years |
suburban (150) | |||||
industrial (300) | |||||
mining (150) | |||||
2001 | Beijing | 1 | 2262 | 0–6 years | |
2004 | Jinchang | 1 | 256 | 2–7 years | |
2002 | Lanzhou | 1 | 262 | 0–3 years | |
1998 | Lanzhou | 1 | 103 | urban (103) | newborn |
2000 | Urumqi | 1 | 138 | newborn | |
2001 | Taiyuan | 1 | 395 | 4–6 years | |
1998 | Lanzhou | 1 | 160 | 3–6 years | |
1997 | Wuxi | 1 | 1249 | 0–5 years | |
2010 | Nanjing | 1 | 1113 | urban (1113) | 7–12 years |
2010 | Hunan province | 1 | 2044 | Urban (2044) | 2–6 years |
2011 | Kunming | 1 | 100 | newborn | |
2004 | Zhejiang province | 1 | 240 | 3–6 years | |
2008 | Shanghai | 1 | 1652 | newborn | |
2007 | Guangzhou and Shenzhen | 2 | 761 | urban (430) | 2–12 years |
suburban (257) | |||||
rural (74) | |||||
2011 | Guangzhou | 2 | 1570 | 6–14 years | |
2000 | Guiyang | 1 | 366 | 9–11 years | |
2004 | Jintan | 1 | 1344 | urban (933) | 3–5 years |
suburban (187) | |||||
rural (150) | |||||
1999 | Ningbo | 1 | 1018 | urban (1018) | 2–6 years |
1997–1999 | Shanghai | 1 | 5933 | 1–6 years | |
2008 | Chengdu | 1 | 4436 | 0–7 years | |
2004–2008 | China | 1 | 69,968 | urban (69,968) | 0–6 years |
2002 | China | 2 | 6502 | urban (6502) | 3–5 years |
1997 | Wuxi | 1 | 1117 | urban (589) | 1–5 years |
suburban (528) | |||||
2004–2008 | Beijing | 1 | 5018 | urban (5018) | 0–6 years |
1993 | Shanghai | 1 | 132 | urban (132) | newborn |
1993 | Beijing | 1 | 141 | urban (141) | newborn |
2000 | Nanchang | 1 | 883 | urban (883) | 2–8 years |
a1-AAS;2-ICPMS