Table 5. Summary of exploratory factory analysis and reliability results of the final Malay version of the SDSCA questionnaire.
| With item 4 All patients | With item 5a All patients | With item 5a Subgroup(10–13 | |
|---|---|---|---|
| Exploratory Factor Analysis | |||
| KMO* | 0.67 (p<0.001) | 0.70 (p<0.001) | 0.63 (p<0.001) |
| Communalities | 0.493–0.893 | 0.602–0.944 | 0.709–0.918 |
| Total variance | |||
| Explained | 71% | 73% | 81% |
| Factor solution | Valid solution except item 4 | Valid solution | Valid solution |
| Reliability | |||
| Overall | 0.735 | 0.782 | 0.804 |
| Diet | 0.539 | 0.742 | 0.760 |
| General diet | 0.903 | 0.903 | 0.874 |
| Specific diet | -0.094 | 0.348 | 0.400 |
| Exercise | 0.749 | 0.749 | 0.809 |
| Blood sugar | 0.838 | 0.838 | 0.898 |
| Foot care | 0.620 | 0.620 | 0.686 |
* KMO = Kaiser-Meyer-Olkin; p value of Bartlett’s Test of Sphericity