Table 6.

Matrix B—Triangulation of Data for Patients with Incorrect inhaler Technique Related to Score from PASAPQ and Qualitative Feedback

		PASAPQ score
Patient	Inhalation device	Satisfaction with performance	Satisfaction with convenience	Overall satisfaction	Qualitative feedback
Patient 1	pMDI	33	28	6	Overall satisfaction with inhalers
					Long-term usage leads to satisfaction.
					Confidence of technique
Patient 2	pMDI	44	32	5	Overall satisfaction with inhalers
					Confidence of technique
Patient 3	pMDI	31	29	6	Effectiveness leads to satisfaction with inhalers.
	Accuhaler	29	25	4	Effectiveness of medication leads to confidence of technique.
					Satisfaction with ease of use
					Confidence of technique
Patient 5	pMDI Accuhaler	35 48	40 41	7 7	Effectiveness of medication leads to confidence with technique.
					Difficult operation is reason for dissatisfaction with device.
					Actual medication influences overall opinion of inhalers.
					Confidence of technique with Autohaler
Patient 6	pMDI	45	33	6	Could not distinguish device from medication
	Turbuhaler	45	40	7	Confidence with technique
					Actual medication influences overall opinion of inhalers.
					Satisfaction with convenience of Turbuhaler
					No involvement in treatment decision making
Patient 7	pMDI + spacer	440	428	44	Not confident of technique without spacer
					Overall dissatisfaction with having asthma and necessity of using inhalers
					Dissatisfaction with convenience of device
					Actual medication influences overall opinion of device.
Patient 8	Turbuhaler	47	39	7	Effectiveness of medication leads to satisfaction with inhalers.
					Effectiveness of medication leads to confidence with technique.
					Satisfaction with inhalers because of easy performance
					Some level of involvement in treatment decision making
Patient 9	pMDI Accuhaler	49 48	32 34	6 6	Not very confident about technique
					Effectiveness of medication leads to some level of confidence about technique.
					No involvement in treatment decision making
Patient 10	pMDI	41	36	6	Effectiveness of medication leads to satisfaction with inhalers.
	Turbuhaler	28	28	6	Could not distinguish device from medication
					Dissatisfaction with operation of Turbuhaler, not confident with technique
					Confidence in technique with pMDI because of ease of use
Patient 11	pMDI	33	29	5	Long-term use leads to confidence with technique.
	Turbuhaler	40	33	6	Could not distinguish device from medication
					Effectiveness is the most important inhaler feature.
					Effectiveness of medication leads to satisfaction with inhalers.
Patient 12	pMDI	46	39	7	Long-term use leads to confidence with technique.
					Satisfied with operation of inhalers
Patient 14	pMDI	47	38	7	Effectiveness of medication and long-term use lead to satisfaction with inhalers.
					Long-term use leads to confidence with technique.
					Effectiveness of medication leads to confidence with technique.
					Satisfaction with operation leads to confidence with technique.
					Could not distinguish device from medication
Patient 15	pMDI	45	39	6	Long-term use leads to satisfaction.
					Effectiveness of medication leads to confidence about technique.
					Overall satisfaction with inhalers
					Could not distinguish device from medication
Patient 16	pMDI and pMDI + spacer	38	35	6	Confidence about inhalation technique
					Effectiveness of medication leads to satisfaction with inhalers.
					Satisfaction with operation leads to satisfaction with inhalers.
Patient 17	pMDI	42	37	6	Confidence about inhalation technique because of doctor's satisfaction with technique
					Could not distinguish device from medication
Patient 18	pMDI	36	25	5	Overall dissatisfaction of having asthma affects the opinion of inhalers.
					Effectiveness of medication and long-term use leads to confidence about technique.
Patient 19	pMDI Turbuhaler	49 37	42 40	7 6	Long-term use leads to confidence about technique.
					Could not distinguish device from medication
					Long-term use leads to satisfaction with inhalers.
					Satisfaction with inhalers because of satisfaction with performance
Patient 20	pMDI	49	39	7	Effectiveness of medication and long-term use leads to confidence about technique.
					Could not distinguish device from medication
					Overall satisfaction with inhalers
Patient 21a	pMDI	45	39	7	Overall dissatisfaction with asthma and medication lead to dissatisfaction with inhalers.
					Confidence about technique because of effectiveness of medication
					Could not distinguish device from medication
Patient 22	pMDI	46	31	7	Long-term use leads to satisfaction with inhalers.
	Turbuhaler	46	36	7	Satisfaction with inhalers because of ease of use
Patient 23	pMDI	41	40	7	Could not distinguish device from medication
	Turbuhaler	36	37	4	Confidence about technique because of effectiveness of medication
	Accuhaler	45	37	6	Satisfaction/dissatisfaction with medication influences opinion of device.
Patient 24	pMDI and pMDI + spacer	46	37	6	Confidence about technique because of effectiveness of medication
Patient 25	Turbuhaler	43	39	6	Effectiveness of medication leads to confidence about technique.
					Effectiveness of medication leads to satisfaction with inhalers.

^aPatient had two different inhaler devices, with correct technique for one and incorrect technique for the other.