Table 2: Global adjustment indicators of the measurement models. |
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Models |
χ2 |
gl |
χ2/gl |
p |
CFI |
TLI |
RMSEA |
RMSEA CI 90% Low-high |
IPQ-R (∝ = 0.73-0.87) |
518.795 |
317 |
1.6 |
0.000 |
0.929 |
0.921 |
0.046 |
0.038-0.052 |
BMQ (∝ = 0.76-0.80) |
143.791 |
87 |
1.6 |
0.001 |
0.967 |
0.961 |
0.050 |
0.044-0.076 |
MARS-A (∝ = 0.81) |
7.790 |
4 |
1.9 |
0.100 |
0.986 |
0.965 |
0.073 |
0.000-0.149 |
ACT (∝ = 0.85) |
6.972 |
5 |
1.3 |
0.223 |
0.996 |
0.993 |
0.039 |
0.000-0.100 |
CFI = comparative fit index. TLI = Tucker-Lewis index. RMSEA = root mean square error of approximation. IPQ-R = Illness perception questionnaire-revised. BMQ = beliefs about medicines questionnaire-specific. MARS-A = medication adherence report scale-asthma. ACT = asthma control test. |