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. 2021 Dec 15;11(12):e050804. doi: 10.1136/bmjopen-2021-050804

Table 4.

Adjusted means for each group and intragroup differences compared with the baseline measurement (health-related quality of life and symptoms)

Adjusted means in each group (95% CI) Difference in intragroup of adjusted means compared with baseline (95% CI)
Baseline 6 Months 12 Months 18 Months 24 Months B-6M P value B-12M P value B-18M P value B-24M P value
Health-related quality of life and symptoms
Health-related quality of life (ADDQoL-19)
PTI −1.7 (−1.8 to −1.6) −1.0 (−1.3 to −0.8) −1.2 (−1.5 to −0.97) −0.85 (−1.1 to −0.61) −0.76 (−0.99 to −0.53) 0.69 (0.46 to 0.93) <0.001 0.52 (0.27 to 0.76) <0.001 0.89 (0.65 to 1.1) <0.001 0.97 (0.74 to 1.2) <0.001
PFI −1.7 (−1.8 to −1.5) −1.2 (−1.5 to −1) −1.1 (−1.3 to −0.88) −1.3 (−1.5 to −1.0) −0.98 (−1.2 to −0.75) 0.43 (0.21 to 0.66) <0.001 0.55 (0.32 to 0.78) <0.001 0.4 (0.17 to 0.63) 0.001 0.68 (0.45 to 0.9) <0.001
CBI −1.8 (−1.9 to −1.6) −1.1 (−1.3 to −0.87) −0.78 (−1.0 to −0.54) −1.0 (−1.3 to −0.79) −0.97 (−1.2 to −0.73) 0.65 (0.42 to 0.88) <0.001 0.98 (0.74 to 1.2) <0.001 0.73 (0.49 to 0.96) <0.001 0.78 (0.54 to 1.0) <0.001
UC −2.1 (−2.2 to −1.9) −1.1 (−1.4 to −0.9) −1.6 (−1.9 to −1.4) −1.2 (−1.5 to −1) −0.92 (−1.2 to −0.69) 0.92 (0.7 to 1.2) <0.001 0.44 (0.18 to 0.7) 0.001 0.82 (0.59 to 1.1) <0.001 1.1 (0.9 to 1.4) <0.001
Neuropathic symptom (MNSI)
PTI 3.1 (3 to 3.2) 2.8 (2.5 to 3.1) 2.4 (2.1 to 2.7) −0.29 (−0.61 to 0.02) 0.07 −0.69 (−0.99 to −0.4) <0.001
PFI 3.3 (3.0 to 3.6) 2.8 (2.5 to 3.1) 2.9 (2.5 to 3.2) −0.55 (−0.86 to −0.23) 0.001 −0.45 (−0.76 to −0.13) 0.005
CBI 3.3 (3.1 to 3.4) 2.6 (2.3 to 2.9) 2.8 (2.5 to 3.1) −0.67 (−1.0 to −0.31) <0.001 −0.46 (−0.78 to −0.13) 0.006
UC 3.3 (3.2 to 3.5) 3.1 (2.9 to 3.5) 2.5 (2.2 to 2.8) −0.15 (−0.47 to 0.17) 0.36 −0.82 (−1.1 to −0.54) <0.001

The models were adjusted by the baseline value of dependent variables and time elapsed since diagnosis.

ADDQoL-19, Audit of Diabetes-Dependent Quality of life; B, baseline; CBI, combined intervention for patients and professionals; M, month; MNSI, Michigan Neuropathy Screening Instrument; PFI, intervention only for healthcare professionals at primary care; PTI, intervention only for patients and family members; UC, usual care or control group.