Table 2 Prevalence of anemia (%) according to WHO and Chinese criteria among adults in rural Deqing
WHO criteria | ||||||
|---|---|---|---|---|---|---|
Age (years) | 2006 (n = 4456) | 2008 (n = 2184) | ||||
Men | Women | Total | Men | Women | Total | |
18–34a | 38(20.5) | 196(63.4) | 234(47.4) | 12(19.4) | 79(73.8) | 91(53.8) |
35–44 | 169(29.5) | 571(64.7) | 740(50.8) | 64(25.7) | 232(64.8) | 296(48.8) |
45–54 | 232(35.9) | 525(61.7) | 757(50.5) | 155(40.8) | 287(64.8) | 442(53.7) |
55–64 | 199(45.1) | 364(64.2) | 563(55.9) | 120(45.5) | 218(70.6) | 338(59.1) |
Total | 638(34.6) | 1656(63.4) | 2294(51.5) | 351(36.8) | 816(67.1) | 1167(53.7) |
χ2, p | 44.8,<0.001 | 1.8, 0.67 | 11.8, 0.008 | 36.1,<0.001 | 7.2, 0.67 | 14.1, 0.003 |
χ2 trend, p | 45.6,<0.001 | 1.83, 0.61 | 8.9, 0.003 | 37.9,<0.001 | 7.3, 0.62 | 14.2, 0.003 |
Chinese criteria | ||||||
18–34a | 9(4.9) | 108(35.0) | 117(23.7) | 4(6.5) | 47(43.9) | 51(30.2) |
35–44 | 53(9.2) | 321(36.4) | 374(25.7) | 18(7.2) | 116(32.4) | 134(22.1) |
45–54 | 77(11.9) | 281(33.0) | 358(23.9) | 62(16.3) | 132(29.8) | 194(23.6) |
55–64 | 96(21.8) | 214(37.7) | 310(30.8) | 46(17.4) | 107(34.6) | 153(26.7) |
Total | 235(12.7) | 924(35.4) | 1159(26.0) | 130(13.6) | 402(33.1) | 532(24.5) |
χ2, p | 49.4,<0.001 | 3.8, 0.28 | 16.7, 0.001 | 17.5, 0.001 | 12.0, 0.007 | 9.0, 0.300 |
χ2 trend, p | 47.9,<0.001 | 3.9, 0.28 | 16.4, 0.001 | 19.4,<0.001 | 11.6, 0.009 | 8.7, 0.033 |