Table 1.

Characteristics of study participants in Kaedi, southern Mauritania, 2014/2015

Variable	Frequency	%	P-value
Sex
Male	1064	49.2	0.373
Female	1098	50.8
Sex ratio (males:females)	0.97
Age group (in years)
5–7	761	35.2	< 0.001
8–11	783	36.2
12–15	618	28.6
Mean age	9.3
Education level
No education	446	20.6	< 0.001
Koranic school	256	11.8
Primary school	1335	61.7
Secondary school	125	5.8
Relationship to the household head
Child	1468	67.9	0.282
Other relatives	663	30.7
Without relatives	31	1.4
Household head occupation
Officialsa	209	14.0	0.502
Non-officialsb	943	63.3
Unemployed	339	22.7
Household head education level
No education	449	30.1	0.470
Koranic school	515	34.5
Primary school	252	16.9
Secondary school	209	14.0
Higher academic level	67	4.5
Habitation zonec
Zone 1	775	35.8	0.634
Zone 2	767	35.5
Zone 3	620	28.7
Season
Wet	1026	47.5	0.002
Dry	1136	52.5
Total	2162	100.0

^aIncluding teachers, medical staff and administration staff

^bIncluding famers, traders and craftsmen

^cHabitation in the study site was divided in zones according to the distance to the Senegal River: zone 1, < 200 m; zone 2, 201–500 m; zone 3, > 500 m