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Table 4 Regression analysis for factors associated with anaemia in women in reproductive age, Sudan, 2016

From: Prevalence and determinants of anaemia in women of reproductive age in Sudan: analysis of a cross-sectional household survey

Women in reproductive age (pregnant and non-pregnant women combined)

Variables

Frequency

Unadjusted analysis

Adjusted analysis

cORa(95%CI)

p. value‡

aORb(95%CI)

p. value‡

Type of place of residence (area classification)

Rural

2571

1

0.052

1

0.033

Urban

1334

1.095 (0.931–1.289)

0.274

1.095 (0.931–1.289)

0.274

IDP/Refugee Camps

244

1.398 (1.048–1.863)

0.022

1.397 (1.048–1.863)

0.023

Pregnancy status

Pregnant

407

1

0.916

–

–

Non-pregnant

3722

0.988 (0.796–1.227)

0.916

  

Wealth index

Wealthiest

1126

1

0.081

1

0.010

High

1070

0.995 (0.827–1.198)

0.961

0.996 (0.828–1.198)

0.963

Middle

702

1.026 (0.818–1.286)

0.825

1.026 (0.819–1.286)

0.823

Low

601

1.041 (0.806–1.344)

0.760

1.041 (0.806–1.345)

0.765

Poorest

630

1.435 (1.064–1.935)

0.018

1.436 (1.065–1.936)

0.018

Sanitation type

Safe sanitation facility

831

1

0.121

  

Unsafe sanitation facility

2320

0.827 (0.691–0.991)

0.040

–

–

Open defecation

978

0.850 (0.645–1.120)

0.249

  

Malaria infection (parasitaemia)

Negative

3992

1

0.007

1

0.003

Positive

137

2.883 (2.019–4.117)

< 0.001

2.885 (2.021–4.119)

< 0.001

  1. a cOR: Crude Odd Ratio. b aOR: Adjusted Odd Ratio
  2. ‡ p. values in bold reflect the overall exposure and are derived from the likelihood ratio test. p. value for variables with multiple exposure level are reported from the Wald test
  3. Goodness-of-fit test (Hosmer and Lemeshow) for the adjusted final model for women of reproductive age X2 4.633 (7 degrees of freedom; p. value = 0.705)