N

%

Age range (years)

<20

7

7.4

[20 - 25[

19

20.0

[25 - 30[

41

43.2

[30 - 35[

17

17.9

≥35

11

11.6

Level of education

None

34

35.8

Primary

23

24.2

Secondary

28

29.5

Higher

10

10.5

Phenotype

SS

23

24.2

SC

72

75.8

Sβthal

0

0

Parity

Nulliparous

45

47.4

Primiparous

24

25.2

Pauciparous

24

25.2

Multiparous

2

2.2