Table 5 Predictors of physical integrity of long-lasting insecticide nets over a 2-year follow-up period in Ethiopia

Gender of head of household

 Male

2.6 (2.2–3.1)

1.00

1.00

 Female

2.0 (1.5–2.5)

0.8 (0.6–1.0)

0.8 (0.6–1.3)

Educational status of head of household (n = 816)

 Illiterate

2.4 (2.0–2.9)

1.0

NA

 Read and write

2.3 (1.4–3.5)

1.0 (0.6–1.6)

 Primary

2.2 (1.5–2.8)

0.9 (0.6–1.3)

 Secondary and above

2.3 (1.2–3.3)

1.0 (0.6–1.6)

Wealth status

 Poor

2.7 (2.1–3.3)

1.0

1.0

 Middle

2.3 (1.8–2.9)

0.9 (0.6–1.2)

1.0 (0.7–1.5)

 Rich

2.2 (1.6–2.7)

0.8 (0.6–1.1)

0.9 (0.6–1.4)

Type of bed

 Wooden bedframe

2.3 (1.8–2.8)

1.0

NA

 Stick or iron bedframe

2.5 (1.5–3.5)

1.1 (0.7–1.8)

 Mattress (with no bed frame)

2.4 (1.8–3.0)

1.1 (0.8–1.5)

 Mat

2.8 (1.9–3.8)

1.2 (0.8–1.9)

LLIN hung up

 No

2.7 (2.0–3.4)

1.0

NA

 Yes

2.3 (1.9–2.7)

0.8 (0.6–1.1)

House has open eave gap (n = 820)

 No

2.3 (2.0–2.7)

1.0

1.0

 Yes

3.3 (2.2–4.3)

1.4 (0.98–2.0)

1.0 (0.6–1.4)

LLIN used last night

 No

3.0 (2.3–3.7)

1.0

1.0

 Yes

2.2 (1.8–2.5)

0.7 (0.5–0.96)*

0.7 (0.5–0.96)*

LLIN ever washed

 No

2.2 (1.8–2.6)

1.0

1.0

 Yes

2.8 (2.2–3.3)

1.3 (1.0–1.7)

1.2 (0.9–1.7)

LLIN was clean

 No

3.5 (3.0–4.1)

1.0

1.0

 Yes

1.1 (0.8–1.5)

0.3 (0.2–0.4)*

0.4 (0.3–0.6)*

Rats present in the house (n = 658)

 No

1.9 (1.4–2.3)

1.0

1.0

 Yes

2.6 (2.0–3.1)

1.4 (1.02–1.92)*

1.1 (0.8–1.5)

Cat present in the house (n = 658)

 No

2.6 (2.1–3.1)

1.0

1.0

 Yes

1.8 (1.3–2.2)

0.7 (0.5–0.9)*

0.8 (0.5–1.1)

Distance from mosquito breeding site (n = 833) (km)

 ≤ 1

1.8 (1.3–2.3)

1.0

1.0

 > 1

2.7 (2.3–3.1)

1.5 (1.1–2.1)*

1.8 (1.2–2.6)*

Family size (n = 833)

 ≤ 5

2.5 (2.0–3.0)

1.0

NA

 > 5

2.3 (1.9–2.8)

0.9 (0.7–1.2)