Table 7 Bi-variable and Multivariable analysis of IPI among mentally disabled and non-disabled students in Bahir Dar City, Amhara Regional State, Ethiopia

Shoe wearing habit at home

Always

1

–

Sometimes

1.217(0.765, 1.936)

–

Never

2.437(1.447, 4.106) **

–

Shoe wearing habit at school

Always

1

–

Sometimes

4.186(1.504, 11.651) **

–

Frequency of shower

<= 1 times per week

2.060(1.141, 3.721) *

–

2 times per week

0.911(0.496, 1.673)

–

> = 3 times per week

1

–

Water contact activity

1 time per week

0.809(0.466,1.405)

–

2–3 times per week

0.789(0.430,1.447)

–

> 3 times per week

0.405(0.208, 0.786) **

–

Never

1

–

Latrine utilization

Always

1

–

Sometimes

2.107(1.088, 4.080) *

–

Never

2.157(0.692, 6.722)

–

Type of latrine used at home

Dry/pit latrine

2.050(1.160, 3.623) *

–

Flash latrine

0.656(0.421, 1.022)

–

pour flash latrine

1

–

Hand washing facility around the latrine

No

1.966(1.313,2.943) **

–

Yes

1

Ways of defecation

Using latrine

1

–

Open field

3.071(1.539, 6.125) **

–

Using popo

2.851(1.047, 7.768) *

–

Health checkup

No

2.884(1.923,4.326) ***

1.869(1.156,3.023) *

Yes

1

1

Modes of transportation

Car

1

–

Foot

3.612(2.035, 6.410) ***

–

Both

1.481(0.896, 2.448)

–

Source of cooking & sanitation water

Tap water

well & Tape