	Total	Low level of knowledge					p
	Total	N		%	PR	95% CI	p
Profession							0.000
Housekeeper	186	143		76.9	1
Public servant	29	15		51.7	0.47	[0.30 - 0.75]
Shopkeeper	117	83		70.9	0.79	[0.54 - 1.17]
Farmer	23	22		95.7	5.31	[0.76 - 36.80]
Artisan	125	103		82.4	1.31	[0.82 - 2.08]
Pupil/student	53	37		69.8	0.76	[0.74 - 1.24]
Other	7	4		57.1	0.53	[0.22 - 1.31]
Place of residence							0.001
Rural	206	174		84.5	1.94	[1.36 - 2.78]
Urban	334	233		69.8	1
Level of education							0.007
Not educated	159	128		80.5	1.20	[0.81 - 1.79]
Primary	119	87		73.1	0.87	[0.59 - 1.27]
Secondary	217	166		76.5	1
Superiors	45	26		57.8	0.55	[0.36 - 0.84]
Ethnicity
Fon and related	255	180		70.6	1
Idaatcha	242	195		80.6	1.51	[1.10 - 2.08]
Nago and related	36	27		75.0	1.17	[0.64 - 2.13]
Peulh	7	5		71.4	1.02	[0.31 - 3.37]
Age range							0.132
[15 - 20]	161	132	82.0		1
[20 - 25]	120	87	72.5		0.65	[0.42 - 1.01]
[25 - 30]	104	77	74.0		0.69	[0.43 - 1.10]
>30	155	111	71.6		0.63	[0.41 - 0.95]