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Table 1 Prevalence of anemia of mothers with children under-three years by years among baseline characteristics a

From: Assessment of maternal anemia in rural Western China between 2001 and 2005: a two-level logistic regression approach

Characteristics b c 2001 2005
  Sample Any anemia (<12.0 g/dl) Mild anemia
(10.0-11.9 g/dl)
Moderate anemia (7.0-9.9 g/dl) Severe anemia (<7.0 g/dl) Sample Any anemia (<12.0 g/dl) Mild anemia (10.0-11.9 g/dl) Moderate anemia (7.0-9.9 g/dl) Severe anemia (<7.0 g/dl)
   No.(%) No.(%) No.(%) No.(%)   No.(%) No.(%) No.(%) No.(%)
Region
Gansu 635 163(25.7) 137(21.6) 25(3.9) 1(0.2) 256 50(19.5) 44(17.2) 4(1.6) 2(0.8)
Guangxi 823 374(45.4) 318(38.6) 51(6.2) 5(0.6) 734 383(52.2)** 330(45.0)* 52(7.1) 1(0.1)***
Guizhou - - - - - 455 252(55.4) 224(49.2) 28(6.2) 0(0.0)
Inner Mongolia 816 227(27.8) 209(25.6) 17(2.1) 1(0.1) 590 177(30.0) 161(27.3) 15(2.5) 1(0.2)
Ningxia 832 202(24.3) 182(21.9) 18(2.2) 2(0.2) 550 187(34.0)*** 165(30.0)*** 22(4.0)* 0(0.0)
Qinghai 957 467(48.8) 350(36.6) 108(11.3) 9(0.9) 615 375(61.0)*** 198(32.2) 175(28.5)*** 2(0.3)
Sichuan 688 221(32.1) 195(28.3) 24(3.5) 2(0.3) 640 268(41.9)*** 236(36.9)** 29(4.5) 3(0.5)
Xinjiang 666 210(31.5) 179(26.9) 29(4.4) 2(0.3) 1028 467(45.4)*** 351(34.1)*** 111(10.8)*** 5(0.5)
Chongqing 755 212(28.1) 192(25.4) 20(2.6) 0(0.0) 504 295(58.5)*** 177(35.1)*** 118(23.4)*** 0(0.0)
Ethnicity
Han 4036 1208(29.9) 1062(26.3) 140(3.5) 6(0.1) 3078 1303(42.3)*** 1029(33.4)*** 270(8.8)*** 4(0.1)
Tibet 446 189(42.4) 142(31.8) 42(9.4) 5(1.1) 317 143(45.1) 90(28.4) 51(16.1)** 2(0.6)
Uighur 569 190(33.4) 161(28.3) 27(4.7) 2(0.4) 621 246(39.6)* 197(31.7) 46(7.4) 3(0.5)
Hui 334 128(38.3) 101(30.2) 26(7.8) 1(0.3) 260 106(40.8) 59(22.7)* 45(17.3)*** 2(0.8)
Zhuang 398 199(50.0) 159(39.9) 36(9.0) 4(1.0) 334 196(58.7)* 155(46.4) 40(12.0) 1(0.3)
Others 386 162(42.0) 137(35.5) 21(5.4) 4(1.0) 751 453(60.3)*** 351(46.7)*** 100(13.3)*** 2(0.3)
Parity
1 3718 1272(34.2) 1076(28.9) 183(4.9) 13(0.3) 3127 1424(45.5)*** 1094(35.0)*** 326(10.4)*** 4(0.1)
2 2016 673(33.4) 579(28.7) 88(4.4) 6(0.3) 1921 886(46.1)*** 690(35.9)*** 190(9.9)*** 6(0.3)
>2 436 131(30.0) 107(24.5) 21(4.8) 3(0.7) 324 144(44.4)*** 102(31.5)* 38(11.7)** 4(1.2)
Altitude, m
<500 1521 477(31.4) 409(26.9) 65(4.3) 3(0.2) 1222 545(44.6)*** 445(36.4)*** 98(8.0)*** 2(0.2)
500 ~ 1500 2370 651(27.5) 574(24.2) 69(2.9) 8(0.3) 2430 1098(45.2)*** 832(34.2)*** 262(10.8)*** 4(0.2)
>1500 2281 948(41.6) 779(34.2) 158(6.9) 11(0.5) 1720 811(47.2)*** 609(35.4) 194(11.3)*** 8(0.5)
Wealth index
Poorest 1956 707(36.1) 594(30.4) 108(5.5) 5(0.3) 1656 759(45.8)*** 581(35.1)** 173(10.4)*** 5(0.3)
Middle 2370 773(32.6) 665(28.1) 98(4.1) 10(0.4) 2108 970(46.0)*** 715(33.9)*** 250(11.9)*** 5(0.2)
Wealthiest 1846 596(32.3) 503(27.2) 86(4.7) 7(0.4) 1608 725(45.1)*** 590(36.7)*** 131(8.1)*** 4(0.2)
Total 6172 2076(33.6) 1762(28.5) 292(4.7) 22(0.4) 5372 2454(45.7)*** 1886(35.1)*** 554(10.3)*** 14(0.3)
  1. a Values are the number of anemic mothers and the prevalence rate of anemia is included in the bracket.
  2. b Missing values: 3 for ethnicity and 2 for parity in 2001; 11 for ethnicity in 2005.
  3. c Differences in women anemia between 2001 and 2005 were statistically analyzed by χ 2 test. *denoted P < 0.05, ** P < 0.01, ***P < 0.001.