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Table 2 Results from simple and multiple logistic regression that measured the impact of type of bed nets and the confounding factors on PCR-positive prevalence of children at the age of 15 years old and below (N = 254)

From: Protective effects of Olyset® Net on Plasmodium falciparum infection after three years of distribution in western Kenya

Parameter

Negative

n = 122 (48.0)a

Positive

n = 132 (52.0)

Bivariate

Multiple

OR

95% Credible interval

OR

95% Credible interval

Type of bed nets

DawaPlus® 2.0

76 (42.2)a

104 (57.8)

Olyset®Net

46 (62.2)

28 (37.8)

0.67

[0.48, 0.91]

0.67

[0.45, 0.97]

Age

8.66 ± 0.332

8.23 ± 0.30

0.80

[0.60, 1.07]

0.87

[0.63, 1.19]

Density of female anophelines in the room (/m2)

1.01 ± 0.192

1.24 ± 0.14

1.13

[0.84, 1.53]

0.94

[0.61, 1.33]

Gap of eaves

 Close

18 (75.0)a

6 (25.0)

 Open

104 (45.2)

126 (54.8)

1.34

[0.97, 1.88]

1.14

[0.75, 1.72]

Gender

 Female

55 (47.4)a

61 (52.6)

 Male

67 (48.6)

71 (51.4)

1.06

[0.80, 1.42]

0.98

[0.71, 1.34]

Material of wall

 Other than mud

22 (66.7)a

11 (33.3)

 Mud

100 (45.2)

121 (54.8)

1.24

[0.90, 1.74]

1.08

[0.70, 1.70]

PHI

 On the roof

0 (0–1619)c

0 (0–2061)

1.40

[0.96, 2.27]

1.50

[0.96, 2.64]

 On the sides

0 (0–7497)c

0 (0–7497)

1.00

[0.74, 1.35]

0.94

[0.63, 1.39]

No. of persons sharing a net

 Share with none or 1 person

68 (56.7)a

52 (43.3)

 Share with 2 persons or more

54 (40.3)

80 (59.7)

1.22

[0.90, 1.67]

1.14

[0.80, 1.66]

Sleeping location

 Without bed

93 (45.1)a

113 (54.9)

 With bed

29 (60.4)

19 (39.6)

0.89

[0.65, 1.21]

1.00

[0.69, 1.44]

Socioeconomic status

0.12 ± 0.032

− 0.02 ± 0.03

0.75

[0.54, 1.04]

0.91

[0.56, 1.43]

  1. Random effects for household areas and rooms of mosquito collection were included in the simple and multiple logistic regression analyses
  2. a(%), bmean ± standard error, cmedian (range)