Steps

Before intervention %

(n = 140)

After

intervention %

(n = 140)

P-value

Done

Done

Remove the mouth piece cover

62.9

65.0

0.98

Shake the inhaler vigorously (5-10 times).

88.5

97.9

0.002

Exhale to residual volume/normally through mouth

47.1

85.7

< 0.001

Exhale away from the mouthpiece

50.9

65.7

0.12

Lean head slightly back

42.9

50.7

0.25

Place mouth piece between teeth and lips (CS)

79.3

92.9

0.04

Inhale slowly, simultaneously press canister and breathing in slowly and deeply ( CS)

14.3

30.7

0.002

Take inhaler out of mouth and hold breath for 5-10 sec (CS)

30.0

61.4

0.004

Inhalation technique

Efficient

13.57

26.42

0.007

Inefficient

86.43

73.58