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Table 2 Percentages and their 95% confidence intervals (CI) of subjects with anemia in the first (March) and second (December) surveys according to survey area

From: Effectiveness of communication campaign on iron deficiency anemia in Kyzyl-Orda region, Kazakhstan: a pilot study

Women       
Area Date N Percentage and 95% CI of subjects with anemia
    Mild Moderate Severe Total
Urban March 80 30.0 (20.0, 40.0) 13.7 (6.2, 21.2) 1.2 (-1.2, 3.6) 45.0 (34.1, 55.9)
  December 62 33.9 (22.1, 45.7) 8.1 (1.3, 14.9) 1.6 (-1.5, 4.7) 43.6 (31.3, 55.9)
Rural March 41 29.3 (15.4, 43.2) 29.3 (15.4, 43.2) 7.3 (-0.7, 15.3) 65.9 (51.4, 80.4)
  December 52 28.8 (16.5, 41.1) 19.2 (8.5, 29.9) 0.0 48.0 (34.4, 61.6)*
Total March 121 29.7 (21.6, 37.8) 19.0 (12.0, 26.0) 3.3 (0.1, 6.5) 52.0 (43.1, 60.9)
  December 114 31.6 (23.1, 40.1) 13.1 (6.9, 19.3) 0.9 (-0.8, 2.6) 45.6 (36.5, 54.7)
Children       
Urban March 57 49.1 (36.1, 62.1) 12.3 (3.8, 20.8) 1.7 (-1.7, 5.1) 63.1 (50.6, 75.6)
  December 52 11.5 (2.8, 20.2) 0.0 0.0 11.5 (2.8, 20.2)**
Rural March 41 34.1 (19.6, 48.6) 19.5 (7.4, 31.6) 0.0 53.6 (38.3, 68.9)
  December 57 49.1 (36.1, 62.1) 3.5 (-1.3, 8.3) 0.0 52.6 (39.6, 65.6)
Total March 98 42.8 (33.0, 52.6) 15.3 (8.2, 22.4) 1.0 (-1.0, 3.0) 58.1 (48.3, 67.9)
  December 109 31.2 (22.5, 39.9) 1.8 (-0.7, 4.3) 0.0 33.0(24.2, 41.8)**
  1. * p < 0.05, ** p < 0.001 by a chi-square test for the difference in the percentage between March and December