Table 2 SMP-T2D measurement model
From: Development and validation of the self-management profile for type 2 diabetes (SMP-T2D)
Concept (Questionnaire Item No.) | Study 1 | Study 2 | |||||
|---|---|---|---|---|---|---|---|
Baseline Mean (SD) | % Min Score,% Max Score | Test-Retest Reliability† | Test-Retest Shift‡ | Baseline Mean (SD) | % Min Score,% Max Score | During-Study Change‡ | |
Patient behavior domains: | |||||||
Monitor blood glucose (#3) | 81.24 (24.68) | 2.0, 49.7 | 0.86 | 0.25* | 72.19 (34.12) | 11.8, 44.1 | 0.11 |
Take medications as prescribed (#2) | 96.70 (8.86) | 0.0, 84.4 | 0.41 | 0.00 | 90.01 (21.25) | 2.2, 71.0 | -.09 |
Eat healthy (#4, #5) | 65.16 (24.00) | 3.4, 3.4 | 0.91 | 0.02 | 64.21 (25.35) | 2.2, 5.4 | 0.35*** |
Engage in physical activity (#6, #7, #8) | 69.16 (30.24) | 4.8, 40.1 | 0.63 | 0.05 | 63.44 (30.72) | 5.4, 32.3 | −0.02 |
Cope with frustration and worry (#10, #11) | 76.66 (22.07) | 1.4, 25.2 | 0.80 | 0.15 | 72.04 (21.52) | 0.0, 15.1 | 0.59*** |
Ease of patient behaviors: | |||||||
Monitoring blood glucose (#9a) | 84.93 (26.01) | 4.1, 66.4 | 0.81 | 0.04 | 87.50 (26.34) | 5.4, 75.0 | 0.02 |
Taking medications as prescribed (#9b) | 92.81 (19.69) | 2.7, 82.9 | 0.78 | 0.17 | 95.16 (17.00) | 2.2, 89.2 | 0.05 |
Eating healthy (#9d, #9e, #9f) | 72.76 (23.11) | 1.4, 18.4 | 0.86 | 0.06 | 71.42 (23.45) | 1.1, 16.1 | 0.20* |
Engaging in physical activity (#9 g) | 69.22 (30.28) | 5.4, 36.7 | 0.87 | 0.06 | 72.04 (28.52) | 4.3, 37.6 | 0.24* |
Coping with frustration and worry (#9 h) | 78.57 (27.13) | 4.8, 48.3 | 0.79 | 0.03 | 80.11 (24.61) | 2.2, 50.5 | 0.16 |
Ease of managing weight (#9c) | 64.12 (31.52) | 8.2, 29.3 | 0.88 | 0.04 | 68.82 (34.11) | 8.6, 43.0 | 0.35*** |
Confidence in ability to manage diabetes (#12) | 66.44 (26.00) | 4.1, 22.6 | 0.88 | 0.09 | 62.90 (25.17) | 2.2, 16.1 | 0.47*** |