Table 5 Knowledge about IPIs symptoms, transmission and prevention among Orang Asli and Malay participants who had prior knowledge on IPIs (n = 160)

Heard about IPIs (n = 187)

78

75.0

82

98.8

21.157

< 0.001^*

 Health clinic/hospitals

44

56.4

29

35.4

7.136

0.008^*

 Mass media

1

1.3

5

6.1

–

0.211^a

 Other people

6

7.7

18

22.0

6.375

0.012^*

 School

4

5.1

10

12.2

2.500

0.114

 Self reading/internet

0

0.0

13

15.9

13.459

< 0.001^*

 Do not remember

18

23.1

9

11.0

4.173

0.041^*

 Abdominal pain

32

41.0

30

36.6

0.332

0.564

 Abdominal distension

3

3.8

8

9.8

2.181

0.140

 Diarrhoea

9

11.5

35

42.7

19.448

< 0.001^*

 Vomiting

8

10.3

11

13.4

0.381

0.537

 Loss of appetite

14

17.9

14

17.1

0.021

0.884

 Pale face

1

1.3

6

7.3

–

0.062^a

 Body weakness

7

9.0

10

12.2

0.437

0.509

 Fever

5

6.4

9

11.0

1.044

0.307

 Itching

20

25.6

8

9.8

6.987

0.008^*

 Loss of weight

4

5.2

14

17.1

5.581

0.018^*

 Do not know

19

24.4

3

3.7

14.444

< 0.001^*

 Eating contaminated food

19

24.4

42

51.2

12.226

< 0.001^*

 Eating raw/undercooked food

0

0.0

4

4.9

3.951

0.047^*

 Dirty hands

15

19.2

49

59.8

27.355

< 0.001^*

 Walking barefooted

13

16.7

22

26.8

2.416

0.120

 Drinking untreated water

7

9.0

11

13.4

0.789

0.374

 Playing with soil

19

24.4

10

12.2

3.986

0.046^*

 Not cutting nails regularly

2

2.6

5

6.1

–

0.444^a

 Do not know

37

47.4

2

2.4

43.908

< 0.001^*

 Taking deworming drugs

23

29.5

28

34.1

0.400

0.527

 Washing hands before eating

14

17.9

45

54.9

23.421

< 0.001^*

 Wearing shoes when outside the house

10

12.8

17

20.7

1.784

0.182

 Washing vegetables & fruits before eating

15

19.2

35

43.2

10.599

0.001^*

 Boiling/filtering drinking water

10

12.8

19

23.5

3.014

0.083

 Do not know

28

35.9

1

1.2

32.394

< 0.001^*