Socio-demographics characteristics

Hazard ratio (HR)

p-value

Confidence

interval (CI) 95%

Gender of blood donors

Male

1

-

-

Female

1.108

0.325

[0.903 - 1.359]

Ages groups (years)

[18 - 21[

1

-

-

[21 - 24[

1.302

0.007

[1.074 - 1.579]

24 et plus

2.485

<0.001

[1.893 - 3.262]

Place of residence

Urban

1

-

-

Rural

1.118

0.362

[0.879 - 1.421]

Number of blood donations

[2 - 9]

1

-

-

[10 - 19]

0.583

0.006

[0.397 - 0.858]

[20 - 25]

-

-

-

>25

0.387

0.344

[0.054 - 2.765]