Table 5 Results of the random forest showing the permutation variable importance measure (VIM) and ranking for aspects the responsiveness of the health care system as predictors of performance. Data Source: Model Disability Survey, Bankim Health District, Cameroon, 2016

Environmental factor:

attitudinal environment

I3025

Do you have problems getting involved in society because of the attitudes of people around you

3.91

1

−0.02

11

1.47

7

I3031

Do you consider yourself a burden on society

2.74

2

2.67

1

0.51

9

I3029

Do you feel that other people accept you

1.96

3

0.67

4

5.5

1

I3034

Is living with dignity a problem for you because of the attitudes and actions of others

1.8

4

0.72

3

0.37

10

I3030

Do you feel that other people respect you

1.63

5

1.49

2

2.79

2

I3028

Do you get to make the big decisions in your life

1.08

6

0.32

5

1.93

4

I3027

Do you make your own choices about your day-to-day life

0.98

7

0.21

6

1.81

6

I3033

Do people around you not expect much from you

0.97

8

0.06

10

1.83

5

I3024

Can you participate in family decisions

0.89

9

0.07

9

1.36

8

I3026

Do you feel that some people treat you unfairly

0.87

10

0.14

8

0.29

11

I3032

Do people around you tend to become impatient with you

0.8

11

0.15

7

2.6

3

Control variable

Capacity

113.73

27.26

27.76

Age

7.42

2.43

1.68

Gender

0.12

−0.02

0.2

Education

0.36

0.13

−1.02

Work

0.86

0.92

−0.21

RMSE