Table 3.
Unadjusted changes in mean scores of domains of the Kidney Disease Quality of Life instrument through the study period by the intervention group (intention-to-treat analysis)
| Domains and assessment points | FTF PM group change in mean score ± SE; 95% CI | p value | Online PM group change in mean score ± SE; 95% CI | p value | Textbook-only group change in mean score ± SE; 95% CI | p value |
|---|---|---|---|---|---|---|
| Effects of Kidney Disease Score | ||||||
| 12 months compared with baseline | 9.2±4.8; −0.3, 18.7 | 0.06 | 7.7±4.7; −1.6, 17.0 | 0.10 | −4.6±4.1; −12.7, 3.5 | 0.26 |
| 18 months compared with 12 months | −2.7±4.6; −11.8, 6.4 | 0.56 | 2.1±4.8; −7.5, 11.7 | 0.66 | 3.5±4.3; −5.0, 12.0 | 0.42 |
| 18 months compared with baseline | 6.5±5.3; −4.0, 17.0 | 0.22 | 9.8±4.8; 0.2, 19.4 | 0.04 | −1.1±4.27; −9.6, 7.4 | 0.80 |
| Burden of Kidney Disease Score | ||||||
| 12 months compared with baseline | 1.2±5.7; −10.2, 12.6 | 0.84 | 11.7±5.7; 0.4, 23.0 | 0.04 | −9.8±6.25; −22.2, 2.6 | 0.12 |
| 18 months compared with 12 months | 6.3±5.8; −5.2, 17.8 | 0.28 | 1.7±6.6; −11.5, 14.9 | 0.80 | 6.7±7.3; −7.8, 21.2 | 0.36 |
| 18 months compared with baseline | 7.5±5.9; −4.3, 19.3 | 0.21 | 13.4±6.2; 1.0, 25.8 | 0.03 | −3.1±6.8; −16.7, 10.5 | 0.65 |
| Symptoms and Problems of Kidney Disease | ||||||
| 12 months compared with baseline | 8.3±3.4; 1.5, 15.1 | 0.01 | 9.0±3.6; 1.9, 16.1 | 0.01 | −4.1±3; —10.1, 1.9 | 0.18 |
| 18 months compared with 12 months | −4.9±3.4; −11.7, 1.9 | 0.15 | −1.0±3.0; −7.0, 4.9 | 0.74 | 0.6±3.6; −6.5, 7.7 | 0.87 |
| 18 months compared with baseline | 3.4±3.9; −4.3, 11.0 | 0.38 | 8.0±3.6; 0.8, 15.2 | 0.03 | −3.5±2.9; −9.2, 2.2 | 0.23 |
| SF-12 Physical Composite Summary | ||||||
| 12 months compared with baseline | 1.9±2.0; −2.0, 5.8 | 0.33 | 7.8±1.9; 4.1, 11.6 | <0.001 | −4.4±2.3; −9.1, 0.3 | 0.06 |
| 18 months compared with 12 months | −0.8±1.9; −4.7, 3.1 | 0.68 | −2.0±2.1; −6.2, 2.2 | 0.35 | 2.5±2.5; −2.5, 7.5 | 0.33 |
| 18 months compared with baseline | 1.1±2.0; −2.8, 5.0 | 0.57 | 5.8±2.0; 1.8, 9.8 | 0.005 | −1.9±2.5; −6.8, 3.0 | 0.44 |
| SF-12 Mental Composite Summary | ||||||
| 12 months compared with baseline | 6.2±2.2; 1.8, 10.6 | 0.006 | 6.5±2.1; 2.4, 10.6 | 0.002 | −1.3±2.0; −5.3, 2.7 | 0.52 |
| 18 months compared with 12 months | −2±2.2; −6.5, 2.5 | 0.37 | 1.2±2.0; −2.8, 5.2 | 0.55 | 5±2.5; −0.09, 9.9 | 0.05 |
| 18 months compared with baseline | 4.2±2.2; −0.2, 8.6 | 0.06 | 7.7±2.0; 3.7, 11.7 | <0.001 | 3.7±1.9; −0.2, 7.6 | 0.06 |
Higher score indicates better outcome; negative change in score indicates worse outcome over time. FTF, face-to-face; PM, peer mentoring; SE, standard error; CI, confidence interval; SF-12, Short-Form-12.