Table 4: Effect of health instructions on thalassemic adolescents' practices in administration of deferoxamine subcutaneously with infusion pump (preparatory phase).

Practices

No.

%

No.

%

No.

%

Z1

Z2

Z3

Test

§  Remove the caps of desferal vial

43

86.0

50

100.0

50

100.0

2.646*

2.646*

0.000

14.000*

§  Clean the exposed rubber cap with alcohol swab

 1

2.0

47

94.0

44

88.0

6.782*

6.557*

1.134

82.792*

§  Let alcohol dry

 1

2.0

47

94.0

44

88.0

6.782*

6.557*

1.134

82.792*

§  Take up the syringe, attach the needle to it and then remove the needle cover

 

 37

 

74.0

 

50

 

100.0

 

50

 

100.0

 

3.606*

 

3.606*

 

0.000

 

26.000*

§  Do not touch the uncovered needle or set it on any surface

 

 15

 

30.0

 

46

 

92.0

 

48

 

96.0

 

5.396*

 

5.745*

 

1.000

 

58.686*

§  Insert the needle into the sterile water ampule

 36

72.0

50

100.0

50

100.0

3.742*

3.742*

0.000

28.000*

§  Take the prescribed amount of water

 44

88.0

50

100.0

50

100.0

2.449*

2.449*

0.000

12.000*

§  Inject the sterile water into the desferal vial

 44

88.0

50

100.0

50

100.0

2.449*

2.449*

0.000

12.000*

§  Shake it well

 44

88.0

50

100.0

50

100.0

2.449*

2.449*

0.000

12.000*

§  Turn the bottle upside down; pull back slowly on the plunger. Fill the syringe with the amount of medicine needed

 

 41

 

82.0

 

50

 

100.0

 

50

 

100.0

 

3.000*

 

3.000*

 

0.000

 

18.000*

§  If air bubbles are present, tap the side of the syringe, so that the air goes to the top. Push the air out

 

 20

 

40.0

 

48

 

96.0

 

45

 

90.0

 

5.292*

 

4.811*

 

1.342

 

47.267*

§  Check for correct dose

29

58.0

50

100.0

49

98.0

4.583*

4.472*

1.000

40.095*

§  Remove the needle from the syringe, and then attach the syringe to the subcutaneous or butterfly needle

 

44

 

88.0

 

50

 

100.0

 

50

 

100.0

 

2.449*

 

2.449*

 

0.000

 

12.000*

§  Push the medicine through the tubing until  you see the

 

 26

 

52.0

 

47

 

94.0

 

47

 

94.0

 

4.379*

 

4.379*

 

0.000

 

36.280*