Table 2 Statistical test of significance on average number of WEM reported by different informant groups in Menge District

Gender

Female

113

8.13 ± 2.4

7.8

0.006

Male

127

7.17 ± 2.9

Age

15–29 (young member)

54

6.31 ± 2.4

10.568

0.00004*

30–50 (middle age)

101

7.61 ± 2.7

> 50 (senior members)

85

8.36 ± 2.5

Literacy level

Illiterate

168

7.86 ± 2.4

1.512

0.212

Primary

40

7.15 ± 3.2

Secondary

26

6.92 ± 3.1

Tertiary

6

7.17 ± 3.6

Informant category (experience)

Knowledgeable/key

49

10.59 ± 2.3

18.5

0.0000*

General informants

191

6.86 ± 2.2

Family income

Low income (< 999)

178

7.72 ± 2.8

0.89

0.412

Middle income (1000–2000)

52

7.5 ± 2.45

High income (> 2000)

10

6.6 ± 2.54