Prevalence of Anemia and Iron Deficiency among Palestinian Pregnant Women and Its Association with Pregnancy Outcome
Table 3
Maternal characteristics and pregnancy outcome by Hb tertile groups. Statistical analysis was performed by one-way ANOVA, except for frequency of low birth weight and frequency of preterm delivery that were analyzed by Kruskal-Wallis test.
All
HbTertile groups
(Mean ± SD)
HbT1
HbT2
HbT3
P-value
Hb< 110 g/L
Hb 110- 120 g/L
Hb> 120 g/L
Maternal characteristics (n= 300)
Serum ferritin (ng/mL)
20.2 ± 23.2
14.8 ± 30.2
15.9 ± 10.6
25.0 ± 22.6
0.001
Age (years)
26.3 ± 5.9
27.1 ± 6.2
25.8 ± 6.3
26.1 ± 5.4
0.324
BMI (kg/m2)
24.8 ± 4.1
24.3 ± 3.2
24.4 ± 4.5
25.1 ± 4.2
0.250
No. of children
2.1 ± 2.0
2.4 ± 2.1
2.2 ± 2.2
2.0 ± 1.9
0.268
No. of abortions
0.66 ± 1.2
0.73 ± 1.03
0.52 ± 0.94
0.69 ± 1.35
0.503
Educational level (years)
11.6 ± 3.2
11.9 ± 3.5
11.4 ± 3.0
11.6 ± 3.1
0.657
Monthly income (NIS)
1832 ± 1154
1888 ± 1262
1667 ± 913
1883 ± 1201
0.375
Pregnancy outcome
Birth weight (gm)
3022 ± 585
2817 ± 568
3030 ± 577
3144 ± 571
0.009
(n= 163)1
Birth height (cm)
48.3 ± 2.7
47.3 ± 2.5
48.3 ± 2.5
49.1 ±2.8
0.022
(n= 96)1
Head circumference (cm)
34.6 ± 1.4
34.1 ± 1.5
34.5 ± 1.2
35.0 ± 1.3
0.017
(n= 96)1
Gestational age (weeks)
38.5 ± 1.5
37.8 ± 1.5
38.6 ± 1.4
38.8 ± 1.6
0.012
(n= 122)1
Frequency (%)
HbT1
HbT2
HbT3
P-value
Frequency of low birth weight (< 2500 gm)
39
16
9
14
0.053
(23.9%)
(9.8%)
(5.5%)
(8.6%)
Frequency of preterm delivery (< 37 weeks)
16
8
4
4
0.53
(13.1%)
(6.6%)
(3.3%)
( 3.3%)
n= 300 for all maternal characteristics except for monthly income it was 264. The indicated numbers of samples were assessed for each parameter.
