Socio-demographic and clinical characteristics		Number, n	Percentage (%)
Sex	F	188	51
Sex	M	180	49
Place of residence	Other regions	76	20.6
Place of residence	Niamey	292	79.3
Schooling	No	130	35.3
Schooling	Yes	238	64.7
Educational level	Primary	47	12.8
	Primary	100	27.1
	Superior	91	24.7
	No Level	130	35.3
Parents’ occupations	Without	59	16
	Private sector	206	56
	Public sector (civil servants)	103	28
Marital status	Couple	308	83.7
	Separated	52	14.1
	Widow	8	2.2
Matrimonial regime	Monogamy	189	61.4
Matrimonial regime	Polygamy	119	38.6
Monthly income	<100,000	144	39.1
Monthly income	≥100,000	224	60.9
Health Insurance	No	286	77.7
Health Insurance	Yes	82	22.3
Form of sickle cell disease	CS	29	7.9
Form of sickle cell disease	SS	339	92.1
Total		368	100