Validation of the Test of Adherence to Inhalers (TAI) among Taiwanese Patients with Chronic Obstructive Pulmonary Disease

13 June 2025 : Clinical Research

Yin-Han Wang^{ABCDEFG 1}, Tsung-Ming Yang

^{BDEG 2,3}, Tien-Pei Fang^{BDE 3}, Huang-Tzu Ou

^{ADE 4,5}, Szu-Chun Yang

^{ADE 6}, Chun-Mei Huang^{ABCEFG 7*}, Mark D. Griffiths^{DE 8}, Chung-Ying Lin^{ACDEF 9,10,11,12,13}

DOI: 10.12659/MSM.948762

Med Sci Monit 2025; 31:e948762

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Table 4 Parallel Analysis of the Test of Inhaler Adherence.

Factor #	Eigenvalue from the present data	Mean eigenvalue from 100 simulated samples	Eigenvalue at 95% upper limit from 100 simulated samples
1	4.06	1.34	1.44
2	1.09	1.23	1.30
3	1.02	1.15	1.20
4	0.90	1.08	1.14
5	0.79	1.02	1.06
6	0.68	0.96	1.00
7	0.54	0.90	0.94
8	0.37	0.84	0.89
9	0.30	0.77	0.83
10	0.26	0.70	0.76

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