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Table 1 General characteristics according to their iron status at ≤ 12 weeks of gestation

From: The role of haematological indices in predicting early iron deficiency among pregnant women in an urban area of Sri Lanka

Characteristics All subjects
(N = 90)
Women with iron deficiency
SF < 30 μg/L
(N = 63)a
Women with sufficient iron stores
SF ≥30 μg/L
(N = 27) a
p-value
Age in years (Mean ± SD 26 ± 5 26 ± 5 26 ± 5 0.28
POG in weeks (Mean + SD) 9 ± 2 9 ± 2 9 ± 2 0.38
Gravidity, n (%)
 Prime 28 (31.1) 22 (34.9) 06 (22.2) 0.41
 One 34(37.8) 23 (36.5) 11 (40.7)  
  ≥ two 28 (31.1) 18 (28.6) 10 (37.1)  
Ethnicity, n (%)
 Sinhala 28 (31.1) 18 (28.6) 10 (37.0) 0.70
 Tamil 27 (30.0) 19 (30.2) 08 (29.6)  
 Moor 33 (36.7) 24 (38.1) 09 (33.4)  
 Other 02 (2.2) 02 (3.1) 00 (0.0)  
Level of education, n (%)
  No schooling 04 (4.4) 02 (3.2) 02 (7.4) 0.22
  Primary 04 (4.4) 04 (6.3) 00  
  Secondary 79 (87.8) 56 (88.9) 23 (85.2)  
  Collegiate 03 (3.4) 01 (1.6) 02 (7.4)  
  Tertiary 00 00 00  
Employment, n (%)
  Unemployed 76 (84.4) 54 (85.7) 22 (81.5) 0.21
  Employed 14 (15.6) 09 (14.3) 05 (18.5)  
Monthly family income, n (%)
   < USD 294 71 (78.8) 51 (81.0) 20 (74.1) 0.32
   ≥ USD 294 14 (15.6) 10 (15.9) 04 (14.8)  
  Don’t know 05 (5.6) 02 (3.1) 03 (11.1)  
  1. Abbreviations: SF serum ferritin, N number of pregnant women, SD standard deviation, POG period of gestation, n (%) number (percentage)
  2. aData on SF concentration available for 90 women after excluding CRP > 10 mg/L