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Table 5 Adjusted population-attributable fractions of moderate or severe anaemia (haemoglobin concentration less than 7 g/dL) by presence or absence of Plasmodium parasitaemia

From: Plasmodium vivax infection: a major determinant of severe anaemia in infancy

 

<1 yeara

1–5 yearsa

5–15 yearsa

>15 yearsb

Allc

aPAF

95 % CI

aPAF

95 % CI

aPAF

95 % CI

aPAF

95 % CI

aPAF

95 % CI

Any species

34.4

−3.30, 58.3

23.2

3.34, 39.0

19.4

0.99, 34.5

12.1

1.80, 21.4

16.7

8.52, 24.2

P. falciparum

7.94

−5.87, 20.0

10.5

−0.66, 20.5

13.7

0.04, 25.5

5.34

−1.69, 11.9

8.35

3.25, 13.2

P. vivax

27.6

−3.20, 49.2

4.07

−6.21, 13.4

4.28

−4.90, 12.7

4.16

−2.14, 10.1

4.94

0.18, 9.48

Mixed species

–

 

8.55

1.93, 14.7

1.99

−3.08, 6.82

1.80

−1.91, 5.37

3.41

0.08, 5.95

  1. aPAF adjusted population-attributable fraction, 95 % CI 95 % confidence interval
  2. aModels also include gender, ethnicity (non-Papuan, Highland Papuan, Lowland Papuan) and weight for age/gender/ethnicity (<mean, ≥mean)
  3. bModels also include gender, ethnicity (non-Papuan, Highland Papuan, Lowland Papuan) and weight for age/gender/ethnicity (<mean, ≥mean) and pregnancy status
  4. cModel also includes age (as a continuous variable) by gender/pregnancy status, ethnicity (non-Papuan, Highland Papuan, Lowland Papuan) and weight for age/gender/ethnicity (<mean, ≥mean)