Table 3 Results of item analysis of SMSTP (n = 231)
From: Development and validation of self-management scale for tuberculosis patients
Dimension | Item (brief description in English) | Mean (SD) | Critical value | Item-total correlation coefficient |
|---|---|---|---|---|
Adherence to treatment behavior | Item 1: Medication-taking record card filled | 3.97 ± 1.38 | 0.823 | 0.060 |
Item 2: Taking medications following prescription | 4.00 ± 1.29 | 14.600** | 0.676** | |
Item 3: Taking medications when going out | 3.07 ± 1.39 | 0.372 | 0.035 | |
Item 4: Keeping drugs correctly | 3.21 ± 1.46 | 10.648** | 0.603** | |
Item 5: Addressing adverse effects of medications correctly | 2.94 ± 1.40 | 12.589** | 0.602** | |
Item 6: Taking medications consistently | 3.14 ± 1.49 | 13.746** | 0.616** | |
Item 7: Regularly following-up sputum | 2.99 ± 1.45 | 14.952** | 0.661** | |
Supportive behavior | Item 8: Abstaining from smoking | 2.95 ± 1.14 | 11.471** | 0.600** |
Item 9: Abstaining from alcohol drinking | 3.16 ± 1.23 | 10.190** | 0.575** | |
Item 10: Maintaining adequate sleep | 2.90 ± 1.05 | 10.332** | 0.578** | |
Item 11: Avoiding overexertion | 3.17 ± 1.25 | 12.533** | 0.643** | |
Item 12: Keeping proper exercise | 2.79 ± 0.91 | 11.522** | 0.620** | |
Item 13: Maintaining adequate nutrition | 3.19 ± 1.30 | 11.406** | 0.624** | |
Transmission prevention behavior | Item 14: Not spitting indiscriminately | 2.82 ± 0.98 | 10.505** | 0.574** |
Item 15: Reducing frequency of presence in public | 3.69 ± 1.05 | 11.428** | 0.735** | |
Item 16: Wearing respirator in public during infective phase of disease | 4.13 ± 1.21 | 5.386** | 0.407** | |
Item 17: Disposing sputum with safe method | 3.39 ± 1.21 | 10.573** | 0.653** | |
Item 18: Covering face when sneezing/coughing/speaking loudly | 3.38 ± 1.17 | 11.425** | 0.685** | |
Item 19: Informing contact of TB status | 3.24 ± 1.16 | 9.520** | 0.599** | |
Item 20: Ventilating their room | 3.32 ± 1.16 | 10.046** | 0.595** |