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[{"$nulls":4},"Table 1 Distribution of height and weight of Han and Tibetan children"]
["nation","age",null,"boys",{"$nulls":3},"girls"]
[null,null,"number(n,%)",{"$nulls":3},"number(n,%)"]
["Han","<1year","31(5.33)","67.58±9.66","11.07±4.50",null,"20(4.58)","68.10±8.19","10.55±3.85"]
[null,"1~3years","292(50.17)","92.66±9.68","14.85±4.38",null,"229(52.40)","91.35±9.21","13.97±3.51"]
[null,"4~6yesrs","259(44.50)","105.63±5.41","17.40±3.61",null,"188(43.02)","103.54±6.19","16.478±4.39"]
["Tib","<1year","86(25.15)","73.26±16.42","9.59±4.90",null,"65(22.89)","78.33±18.91","11.42±6.42"]
[null,"1~3years","166(48.54)","93.34±10.52","14.58±5.94",null,"150(52.82)","94.78±13.97","15.50±8.72"]
[null,"4~6years","90(26.31)","107.77±10.99","18.84±4.62",null,"69(24.29)","111.52±9.79","18.87±3.04"]
[]
[]
[{"$nulls":6},"Table 2 Urine test results of Chinese and Tibetan children (n, %)"]
[{"$nulls":4},"Han",{"$nulls":7},"Tibetan"]
["Tested ",null,"boys",{"$nulls":3},"girls",{"$nulls":3},"boys",{"$nulls":3},"girls"]
["items","<1year(n=31)","1~3years(n=292)","4~6yesrs(n=259)",null,"<1year(n=20)","1~3years(n=229)","4~6yesrs(n=188)",null,"<1year(n=86)","1~3years(n=166)","4~6yesrs(n=90)",null,"<1year(n=65)","1~3years(n=150)","4~6yesrs(n=69)"]
["VC","4(12.90)","127(43.49)","133(51.35)",null,"2(10.00)","74(32.31)","81(43.09)",null,"20(23.26)","45(27.11)","8(8.89)",null,"15(23.08)","22(14.67)","4(5.80)"]
["WBC","0(0.00)","1(0.34)","8(3.09)",null,"0(0.00)","29(12.66)","37(19.68)",null,"2(2.32)","4(2.41)","2(2.22)",null,"9(13.85)","10(6.67)","10(14.49)"]
["URO","1(3.23)","14(4.79)","28(10.81)",null,"0(0.00)","12(5.24)","12(6.38)",null,"9(10.47)","0(0.00)","0(0.00)",null,"11(16.92)","0(0.00)","10(14.49)"]
["KET","2(6.45)","24(8.22)","19(7.34)",null,"0(0.00)","7(3.06)","  9(4.79)",null,"17(19.77)","36(21.69)","36(21.69)",null,"7(10.77)","19(12.67)","13(18.84)"]
["BLD","1(3.23)","9(3.08)","16(6.18)",null,"0(0.00)","16(6.99)","14(7.45)",null,"1(1.16)","6(3.61)","6(3.61)",null,"1(1.54)","7(4.67)","17(2.64)"]
["BIL","0(0.00)","7(2.40)","9(3.47)",null,"0(0.00)","3(1.31)","2(1.06)",null,"0(0.00)","3(1.81)","3(1.81)",null,"0(0.00)","1(0.67)","0(0.00)"]
["PRO","0(0.00)","3(1.03)","0(0.00)",null,"0(0.00)","1(0.44)","0(0.00)",null,"4(4.65)","2(1.20)","2(1.20)",null,"3(4.62)","0(0.00)","4(5.80)"]
["NIT","0(0.00)","0(0.00)","0(0.00)",null,"0(0.00)","3(1.31)","0(0.00)",null,"0(0.00)","1(0.60)","1(0.60)",null,"2(3.08)","0(0.00)","3(4.35)"]
["GLU","0(0.00)","1(0.34)","0(0.00)",null,"0(0.00)","0(0.00)","0(0.00)",null,"0(0.00)","0(0.00)","0(0.00)",null,"0(0.00)","0(0.00)","1(1.45)"]
[]
[]
[]
[{"$nulls":4},"Table 3 Abnormal detection of urine in Han and Tibetan children (n,%)"]
["nation","VC","WBC","URO","KET","BLD","BIL","PRO","NIT*","GLU*"]
["Han","421(41.32)","75(7.36)","67(6.58)","61(5.99)","56(5.50)","21(2.06)","4(0.39)","3(0.29)","1(0.10)"]
["Tibetan","114(18.21)","37(5.91)","38(6.07)","110(17.57)","47(7.51)","5(0.80)","24(3.83)","6(0.96)","1(0.16)"]
["χ2",94.323,1.284,0.165,55.88,2.676,3.971,27.447,"-","-"]
["P",0,0.257,0.684,0,0.102,0.046,0,0.092,1]
["Note: \"*\" uses Fisher's exact probability test."]
[]
[]
[]
[{"$nulls":4},"Table 4 Factors influencing urine abnormalities of children in Han and Tibetan"]
["Dependent variable","Group","Independent variable","Level","Case group（n,%）","Control group（n,%）","Wald-χ2","OR","95% CI"]
["VC","Han","Gender","Boys","264(62.71)","233(55.34)",5.012,1.385,"1.041~1.842"]
[{"$nulls":3},"Girls","157(37.29)","188(44.66)","-","-","-"]
[null,null,"Age group","＜1year","6(1.43)","36(8.55)",11.938,0.208,"0.086~0.507"]
[{"$nulls":3},"1~3years","201(47.74)","234(55.58)",20.305,0.128,"0.052~0.313"]
[{"$nulls":3},"4~6years","214(50.83)","151(35.87)","-","-","-"]
[null,null,"Parents’ histories of kidney disease","Yes","89(21.14)","39(9.26)",19.181,2.506,"1.661~3.781"]
[{"$nulls":3},"No","332(78.86)","382(90.74)","-","-","-"]
[null,"Tibetan","Age group","＜1year","35(30.70)","26(22.81)",0.797,1.33,"0.711~2.489"]
[{"$nulls":3},"1~3years","67(58.77)","61(53.51)",6.348,3.011,"1.277~7.096"]
[{"$nulls":3},"4~6years","12(10.53)","27(23.68)","-","-","-"]
[null,null,"Passive smoking environment","Yes","53(46.49)","35(30.70)",5.306,1.919,"1.102~3.340"]
[{"$nulls":3},"No","61(53.51)","79(69.30)","-","-","-"]
["KET","Han","Gender","Boys","45(73.77)","101(55.19)",6.382,2.283,"1.203~4.333"]
[{"$nulls":3},"Girls","16(26.22)","82(44.80)","-","-","-"]
[null,"Tibetan","Age group","＜1year","2(3.28)","15(8.20)",1.082,0.723,"0.393~1.331"]
[{"$nulls":3},"1~3years","31(50.82)","102(55.74)",6.53,0.394,"0.193~0.805"]
[{"$nulls":3},"4~6 years","28(45.90)","66(36.07)","-","-","-"]
[null,null,"Living in newly decorated houses","Yes","2(3.28)","14(7.65)",5.124,2.351,"1.121~4.928"]
[{"$nulls":3},"No","59(96.72)","169(92.35)","-","-","-"]
["WBC","Han","Gender","Boys","9(12.00)","131(58.22)",36.425,0.095,"0.044~0.204"]
[{"$nulls":3},"Girls","66(88.00)","94(41.78)","-","-","-"]
[null,"Tibetan","Gender","Boys","8(21.62)","63(56.76)",8.632,0.253,"0.101~0.633"]
[{"$nulls":3},"Girls","29(78.38)","48(43.24)","-","-","-"]
[null,null,"Lead-containing foods","Yes","34(91.89)","81(72.97)",4.914,4.342,"1.185~15.906"]
[{"$nulls":3},"No","3(8.11)","30(27.03)","-","-","-"]
["BLD","Han","Parents’ histories of kidney disease","Yes","15(26.79)","21(12.50)",6.079,2.561,"1.213~5.408"]
[{"$nulls":3},"No","41(73.21)","147(87.50)","-","-","-"]
[null,"Tibetan","Age group","＜1year","2(4.26)","25(17.73)",0.783,0.46,"0.083~2.566"]
[{"$nulls":3},"1~3years","13(27.66)","82(58.16)",11.733,0.05,"0.009~0.277"]
[{"$nulls":3},"4~6years","32(68.09)","34(24.11)","-","-","-"]
[null,null,"Living in newly decorated houses","Yes","7(14.89)","4(2.84)",15.571,18.203,"4.308~76.924"]
[{"$nulls":3},"No","40(85.11)","137(97.16)","-","-","-"]