Characteristic

Number (%)

Age mean ± sd (years)

<30

30 - 39

>40

29 ± 7

131 (68.5)

28 (14.6)

32 (16.7)

Gender

Female

Male

143 (74.8)

48 (25.1)

Years of service (years)

<5

5 - 10

11 - 20

>20

125 (65.4)

27 (14.1)

24 (12.5)

15 (7.8)

Transfusion training

Yes

No

92 (48.1)

99 (51.8)

Frequency of transfusion (week)

<1

1 - 10

>10

104 (54.4)

70 (36.6)

17 (8.9)