Table 2 Percentage of mentions of each descriptor by respondent group as a portion of that groups total mentions and results of the Fisher exact test applied to number of mentions by informant group.

One parent orphans vs. double orphans

Orphans with own parent

6

8

14

7

17

21

20

7

14

86

100

Double orphans

5

15

20

5

23

15

23

0

10

80

100

Fisher exact test

(p-value) ^b

0.13

0.14

0.09

0.33

0.18

0.14

0.15

0.05*

0.34

0.09

One parent orphans vs. non orphans

Orphans with own parent

6

8

14

7

17

21

20

7

14

86

100

Non orphans

0

6

6

3

31

31

29

0

0

94

100

Fisher exact test

(p-value)

0.13

0.04*

0.02*

0.19

0.13

0.02*

0.15

0.24

0.22

0.02*

Double orphans vs. non orphans

Double orphans

5

15

20

5

23

15

28

0

10

80

100

Non orphans

0

6

6

3

31

31

29

0

0

94

100

Fisher exact test

(p-value)

0.26

0.11

0.02*

0.41

0.27

0.05*

0.5

n.d ^c

0.32

0.02*

Descriptors

Kind of pest

Morphology/locomotion

Form attributes

Agronomic aspects

Pest manage-ment

Utility

Functional attributes

Total

Habitat/ecology

Generic damages

Specific damages to maize

Specific damages to cowpea

Overall effect of AIDS affection among the children: orphans vs. non orphans

Orphans

6

11

17

6

18

18

23

5

13

83

100

Non orphans

0

6

6

3

31

31

29

0

0

94

100

Fisher exact test

(p-value)

0.13

0.17

0.04*

0.29

0.05*

0.05*

0.03

0.18

0.25

0.02*

Effect of AIDS affection within generation: children vs. adults

Children

5

10

15

5

21

21

24

4

10

85

100

Adults

3

11

14

8

24

22

29

3

0

86

100

Fisher exact test

(p-value)

0.27

0.37

0.43

0.29

0.21

0.25

0.21

0.32

0.32

0.48