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Table 1 Participants’ characteristics and the mean haemoglobin status of 2436 pregnant women

From: Haemoglobin status and predictors of anaemia among pregnant women in Mpigi, Uganda

Characteristic

Frequency

Percent (%)

Mean (sd) of Hb

95% CI

P- value*

Overall haemoglobin

2436

100

11.5 (1.38)

11.6-11.7

 

 Age in years

     

 Below 20

474

19.5

11.3 (1.33)

11.2-11.4

0.006

 20-24

937

38.5

11.5 (1.40)

11.4-11.6

 25-29

680

27.9

11.6 (1.36)

11.5-11.7

 30-34

176

7.2

11.5 (1.52)

11.3-11.8

 ≥35

169

6.9

11.5 (1.34)

11.3-11.7

Marital status

     

 Single

295

12.1

11.4 (1.44)

11.2-11.5

0.055

 Married

2141

87.9

11.5 (1.37)

11.5-11.6

Education level

     

 No formal

77

3.2

11.8 (1.46)

11.5-12.1

0.437

 Lower Primary (P1-4)

169

6.9

11.4 (1.38)

11.2-11.6

 Upper Primary (P5-7)

967

39.7

11.5 (1.37)

11.4-11.6

 Secondary (S1-S6)

1158

47.5

11.5 (1.40)

11.4-11.6

 Tertiary

65

2.7

11.5 (1.27)

11.1-11.8

Parity

     

 Nulliparous

641

26.3

11.4 (1.37)

11.3-11.5

0.083

 1

582

24.0

11.5 (1.40)

11.4-11.6

 2

414

17.0

11.6 (1.33)

11.5-11.7

 3

286

11.7

11.6 (1.39)

11.5-11.8

 4

228

9.4

11.5 (1.36)

11.5-11.6

 Para 5+

285

11.7

11.6 (1.43)

11.4-11.7

Timing of 1st visit

     

 First trimester

251

10.3

11.3 (1.35)

11.1-11.5

0.034

 Second trimester

1505

61.8

11.5 (1.38)

11.5-11.6

 Third trimester

680

27.9

11.5 (1.40)

11.4-11.6

Iron supplements (number of tablets)

     

 None

830

34.1

11.3 (1.38)

11.2-11.4

<0.001

 1-30

1157

47.4

11.6 (1.37)

11.5-11.7

 31-60

302

12.5

11.6 (1.34)

11.5-11.9

 61+

147

6.0

11.8 (1.44)

11.5-11.9

Doses of anti-helminthics taken

     

 Zero

511

21.0

11.4 (1.39)

11.3-11.6

0.15

 One

1162

47.7

11.5 (1.37)

11.4-11.6

 Two

763

31.3

11.6 (1.38)

11.5-11.7

Doses of antimalarial prophylaxis (IPT)

     

 Zero

433

17.8

11.4 (1.44)

11.3-11.6

0.004

 One

1074

44.1

11.4 (1.36)

11.4-11.5

 Two

929

38.1

11.6 (1.37)

11.5-11.7

Episodes of malaria

     

 None

1501

61.6

11.6 (1.35)

11.5-11.7

0.024

 One

568

23.3

11.4 (1.44)

11.3-11.7

 Two

239

9.8

11.3 (1.40)

11.1-11.6

 Three

91

3.7

11.6 (1.36)

11.3-12.0

 Four +

37

1.5

11.3 (1.59)

10.9-11.9

HIV sero-status

     

 Negative

2237

91.8

11.6 (1.36)

11.5-11.6

<0.001

 Positive on ARVs

167

6.9

11.0 (1.52)

10.8-11.2

 Positive ARV naive

23

0.9

11.0 (1.38)

10.4-11.5

 Unknown

9

0.4

11.1 (1.28)

10.2-12.0

 
  1. Hb: Haemoglobin, IPT: Intermittent prophylactic treatment, ARVs: antiretroviral drugs. *p-values are from the F-test at univariate analysis.