Three and 6-month outcome results by trial arm
| Outcome and time point | Intervention | Control | Intervention—control | |||
|---|---|---|---|---|---|---|
| N | mean (SD) | N | mean (SD) | mean diff. | adj. mean diff. (95% CI) | |
| 3 months | ||||||
| HbA1c | 16 | 67.4 (17.6) | 16 | 66.6 (10.4) | 0.8 | 0.4 (−11.9 to 12.7) |
| ADDQoL—average weighted impact score | 25 | −1.4 (1.4) | 26 | −2.6 (2.0) | 1.2 | 0.3 (−0.6 to 1.1) |
| Diabetes Empowerment Scale—short form | 22 | 3.6 (0.5) | 25 | 3.6 (0.7) | 0.03 | 0.01 (−0.4 to 0.4) |
| DSCAQ—General Diet score | 24 | 4.7 (2.3) | 24 | 4.5 (2.3) | 0.2 | 0.05 (−1.1 to 1.2) |
| DSCAQ—Specific Diet score | 25 | 3.9 (2.1) | 25 | 4.1 (1.6) | −0.2 | 0.008 (−0.9 to 0.9) |
| DSCAQ—Exercise score | 25 | 3.2 (2.2) | 24 | 2.8 (2.4) | 0.4 | −0.2 (−1.3 to 1.0) |
| DSCAQ—Blood Glucose Testing score | 23 | 5.2 (2.0) | 24 | 6.1 (1.7) | −0.8 | −0.03 (−1.2 to 1.2) |
| DSCAQ—Foot Care score | 25 | 3.6 (2.3) | 24 | 3.3 (2.4) | 0.3 | 0.2 (−0.8 to 1.1) |
| Diabetes Treatment Satisfaction Questionnaire score | 24 | 28.4 (6.0) | 25 | 28.6 (6.3) | −0.2 | 0.7 (−2.8 to 4.2) |
| Diabetes Treatment Satisfaction Questionnaire change score | 24 | 4.8 (9.9) | 22 | 4.4 (8.3) | 0.4 | 0.1 (−6.8 to 7.0) |
| Patient Enablement Instrument | 23 | 8.1 (3.6) | 24 | 7.5 (4.1) | 0.6 | −0.5 (−2.6 to 1.6) |
| Patient Report of Communication Behaviour | 24 | 42.9 (6.0) | 25 | 39.3 (6.8) | 3.6 | 2.1 (−1.1 to 5.2) |
| 6 months | ||||||
| HbA1c | 26 | 71.6 (16.8) | 26 | 71.1 (20.4) | 0.5 | −3.4 (−13.1 to 6.3) |
| ADDQoL—average weighted impact score | 23 | −1.4 (1.6) | 24 | −2.2 (1.9) | 0.8 | −0.1 (−1.0 to 0.7) |
| Diabetes Empowerment Scale—short form | 23 | 3.7 (0.5) | 24 | 3.7 (0.6) | −0.04 | −0.008 (−0.4 to 0.4) |
| DSCAQ—General Diet score | 23 | 4.5 (2.0) | 24 | 5.1 (2.4) | −0.6 | −0.9 (−2.1 to 0.3) |
| DSCAQ—Specific Diet score | 23 | 3.8 (1.2) | 24 | 4.4 (1.2) | −0.7 | −0.3 (−1.0 to 0.3) |
| DSCAQ—Exercise score | 23 | 3.5 (2.3) | 20 | 2.4 (2.4) | 1.1 | 1.4 (0.09 to 2.6) |
| DSCAQ—Blood Glucose Testing score | 23 | 5.2 (2.3) | 23 | 6.4 (1.4) | −1.2 | 0.08 (−1.1 to 1.2) |
| DSCAQ—Foot Care score | 23 | 3.7 (2.2) | 23 | 3.3 (2.7) | 0.4 | 0.4 (−0.9 to 1.6) |
| Diabetes Treatment Satisfaction Questionnaire score | 22 | 30 (7.2) | 21 | 29.0 (6.4) | 1.0 | 0.7 (−3.5 to 5.0) |
| Diabetes Treatment Satisfaction Questionnaire change score | 21 | 6.6 (11.1) | 22 | 4.4 (11.9) | 2.2 | 0.9 (−7.3 to 9.2) |
| Patient Enablement Instrument | 19 | 9.8 (3.3) | 22 | 7.2 (3.9) | 2.6 | 2.5 (0.8 to 4.1) |
| Patient Report of Communication Behaviour | 23 | 42.1 (7.3) | 24 | 41.7 (7.1) | 0.4 | 2.0 (−3.0 to 7.1) |
ADDQoL, Audit of Diabetes-Dependent Quality of Life; HbA1c, glycosylated haemoglobin.