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Table 3 The bi-variate conditional logistic regression of factors related to malaria prevention among cases and controls in individuals visiting health centres in Ziway-Dugda Distict, Ethiopia, 2017 (N = 228)

From: Effectiveness of long-lasting insecticidal nets in prevention of malaria among individuals visiting health centres in Ziway-Dugda District, Ethiopia: matched case–control study

Variables

Category

Cases

Controls

Crude Matched Odds Ratio (95% CI)

No. (%) n = 67

No. (%) n = 201

Educational level

No education

21 (31.4)

52 (25.9)

1

Primary

24 (35.8)

69 (34.3)

0.81 (0.38, 1.74)

Secondary and above

22 (32.8)

80 (39.8)

0.58 (0.25, 1.33)

Type of roof

Corrugated iron sheet

37 (55.2)

126 (62.7)

0.64 (0.33, 1.26)

 

Thatched roof

30 (44.8)

75 (37.3)

1

Presence of windows

No

29 (43.3)

78 (38.8)

1

Yes

38 (56.7)

123 (61.2)

0.79 (0.42, 1.49)

Presence of patients with similar signs in home

No

50 (74.6)

175 (87.1)

1

Yes

17 (25.4)

26 (12.9)

2.22 (1.13, 4.38)*

House sprayed with IRS

No

32 (47.8)

60 (29.9)

1

Yes

35 (52.2)

141 (70.1)

0.34 (0.17, 0.67)**

Knowledge related to malaria prevention

High-level

31 (46.3)

109 (54.2)

1

Moderate-level

21 (31.3)

62 (30.9)

1.25 (0.64, 2.44)

Low-level

15 (22.4)

30 (14.9)

2.15 (0.90, 5.13)

Practice related to malaria prevention

Good

16 (23.9)

71 (35.3)

1

Fair

21 (31.3)

62 (30.9)

1.61 (0.74, 3.48)

Poor

30 (44.8)

68 (33.8)

2.25 (1.04, 4.85)*

Presence of LLINs in home

No

17 (25.4)

17 (8.5)

1

Yes

50 (74.6)

184 (91.5)

0.27 (0.13, 0.58)**

Sleeping under LLINs the previous night

No

36 (53.7)

70 (34.8)

1

Yes

31 (46.3)

131 (65.2)

0.43 (0.24, 0.76)**

Regularly sleeping under LLINs for the last 2 weeks

No

45 (67.2)

78 (38.8)

1

Yes

22 (32.8)

123 (61.2)

0.28 (0.15, 0.52)***

Living together with livestock’s

No

47 (70.1)

155 (77.1)

1

Yes

20 (29.9)

46 (22.9)

1.61 (0.79, 3.31)

Presence of intermittent rivers or irrigation

No

55 (82.1)

162 (80.6)

1

Yes

12 (17.9)

39 (19.4)

0.89 (0.39, 2.00)

Staying late out-door during night within the past 2 weeks

No

37 (55.2)

137 (68.2)

1

Yes

30 (44.8)

64 (31.8)

1.95 (1.04, 3.65)*

  1. Significance: * Significant (p < 0.05);* * strongly significant (p < 0.01); ***highly significant (p < 0.001)