Research Article

Psychometric Properties of Diabetes Management Self-Efficacy in Thai Type 2 Diabetes Mellitus Patients: A Multicenter Study

Table 2

Standardized factor loading of the T-DMSES.

FactorsItemsDietMonitorPhysicalRegimen

Diet (9 items)
 (i) DMSES4I can choose to eat good and healthy foods that are beneficial to my health0.607
 (ii) DMSES5I can choose to eat various foods to maintain a healthy diet plan0.653
 (iii) DMSES9I can maintain a healthy diet plan in the event that I get sick0.642
 (iv) DMSES10I can follow a healthy diet plan regularly0.855
 (v) DMSES13I can follow a healthy diet plan even when I am not at home0.897
 (vi) DMSES14I can choose from various foods to maintain a healthy diet plan when I am not at home0.914
 (vii) DMSES15I can follow a healthy diet plan during festivals, traditions, or rituals0.894
 (viii) DMSES16I can choose to eat various foods to maintain a healthy diet plan when I eat foods at parties0.859
 (ix) DMSES17I can maintain a healthy diet plan when I am feeling stressed or worried0.473
Monitor (4 items)
 (i) DMSES1I can check blood glucose levels by myself if necessary0.238
 (ii) DMSES2I can reduce blood glucose levels when glucose levels in my blood are too high (e.g., changing the kinds of foods I eat)0.890
 (iii) DMSES3I can increase blood glucose levels when glucose levels in my blood are too low (e.g., changing the kinds of foods I eat)0.309
 (iv) DMSES7I can attend to my feet (e.g., cutting toenails and taking care of myself not causing wounds)0.302
Physical (4 items)
 (i) DMSES6I can control my body weight and maintain appropriate weight ranges0.405
 (ii) DMSES8I can exercise and perform sufficient physical activity (e.g., walking, aerobic dancing, and muscle exercise)0.560
 (iii) DMSES11I can increase the amount that I exercise if a doctor advises me to do so0.766
 (iv) DMSES12In the case that I exercise more, I can modify my healthy diet plan0.890
Regimen (3 items)
 (i) DMSES18I can schedule an appointment to see a doctor four times a year to check my diabetes0.677
 (ii) DMSES19I can take medicines as prescribed by a doctor0.841
 (iii) DMSES20I can keep taking medicines continuously when I am sick0.757

Item constraint (no significant test conducted).