| 1. Self-efficacy |
| NMA |
Direct |
Indirect |
| Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
Interpretation of findings |
Number of studies |
Number of patients |
Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
Number of comparisons informing indirect evidence |
Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
| 0.16 [-0.78, 1.09] |
Very low |
It may result in little to no difference in self-efficacy |
1 |
596 |
0.16 [-0.78, 1.09] |
Low |
0.0 |
NA [NA, NA] |
NA |
| 2. Lipid profile / LDL-Cholesterol |
| NMA |
Direct |
Indirect |
| Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
Interpretation of findings |
Number of studies |
Number of patients |
Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
Number of comparisons informing indirect evidence |
Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
| 0.67 [-15.33, 16.67] |
Moderate |
It likely results in little to no difference in LDL levels (mg/dL) |
1 |
56 |
0.67 [-15.33, 16.67] |
Moderate |
0.0 |
NA [NA, NA] |
NA |
| 3. Lipid profile / HDL-Cholesterol (mmol) |
| NMA |
Direct |
Indirect |
| Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
Interpretation of findings |
Number of studies |
Number of patients |
Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
Number of comparisons informing indirect evidence |
Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
| 2.43 [-3.74, 8.6] |
Moderate |
It likely results in a large decrease in HDL levels (mmol/L) |
1 |
56 |
2.43 [-3.74, 8.6] |
Moderate |
0.0 |
NA [NA, NA] |
NA |
| 4. Lipid profile / Triglycerides |
| NMA |
Direct |
Indirect |
| Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
Interpretation of findings |
Number of studies |
Number of patients |
Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
Number of comparisons informing indirect evidence |
Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
| -0.18 [-1.36, 0.99] |
Moderate |
It likely results in little to no difference in triglycerides (mmol/L) |
1 |
56 |
-0.18 [-1.36, 0.99] |
Moderate |
0.0 |
NA [NA, NA] |
NA |
| 5. Lipid profile / Total cholesterol |
| NMA |
Direct |
Indirect |
| Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
Interpretation of findings |
Number of studies |
Number of patients |
Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
Number of comparisons informing indirect evidence |
Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
| 4.39 [-15.33, 24.11] |
Moderate |
It likely results in little to no difference on total cholesterol (mg/dL) |
1 |
56 |
4.39 [-15.33, 24.11] |
Moderate |
0.0 |
NA [NA, NA] |
NA |
| 6. HbA1C / Glycated hemoglobin (HbA1c) |
| NMA |
Direct |
Indirect |
| Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
Interpretation of findings |
Number of studies |
Number of patients |
Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
Number of comparisons informing indirect evidence |
Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
| -0.36 [-0.79, 0.07] |
Very low |
It may result in little to no difference in HbA1C levels (%) but the evidence is very uncertain |
3 |
488 |
-0.36 [-0.79, 0.07] |
Low |
0.0 |
NA [NA, NA] |
NA |
| 7. Weight (management) / BMI - Body Mass Index |
| NMA |
Direct |
Indirect |
| Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
Interpretation of findings |
Number of studies |
Number of patients |
Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
Number of comparisons informing indirect evidence |
Anticipated absolute effects (95% CI) - Difference |
Certainty of the evidence |
| 0.35 [-1.42, 2.12] |
Low |
It may result in little to no difference in body mass index (kg/m²) |
1 |
56 |
0.35 [-1.42, 2.12] |
Low |
0.0 |
NA [NA, NA] |
NA |
Footnotes per outcome:
1) a) We rated down the certainty of evidence due to very serious risk of bias and very serious imprecision; b) Number of studies included in the network: 55 RCTs; Number of studies directly comparing the intervention with usual care: 1 RCT(s) (N=284); Number of comparison(s) informing the indirect estimate: 0 comparison(s). The range of follow up was from 1 to 24 months for the studies included in the whole network. The range of follow-up was 1 months in the studies directly comparing the self-management intervention versus usual care.
2) a) We rated down the certainty of evidence due to serious risk of bias; b) Number of studies included in the network: 171 RCTs; Number of studies directly comparing the intervention with usual care: 1 RCT(s) (N=28); Number of comparison(s) informing the indirect estimate: 0 comparison(s). The range of follow up was from 1 to 96 months for the studies included in the whole network. The range of follow-up was 6 months in the studies directly comparing the self-management intervention versus usual care.
3) a) We rated down the certainty of evidence due to serious risk of bias; b) Number of studies included in the network: 162 RCTs; Number of studies directly comparing the intervention with usual care: 1 RCT(s) (N=28); Number of comparison(s) informing the indirect estimate: 0 comparison(s). The range of follow up was from 1 to 96 months for the studies included in the whole network. The range of follow-up was 6 months in the studies directly comparing the self-management intervention versus usual care.
4) a) Number of studies included in the network: 171 RCTs; Number of studies directly comparing the intervention with usual care: 1 RCT(s) (N=28); Number of comparison(s) informing the indirect estimate: 0 comparison(s). The range of follow up was from 1 to 96 months for the studies included in the whole network. The range of follow-up was 6 months in the studies directly comparing the self-management intervention versus usual care.; b) We rated down the certainty of evidence due to serious risk of bias
5) a) Number of studies included in the network: 176 RCTs; Number of studies directly comparing the intervention with usual care: 1 RCT(s) (N=28); Number of comparison(s) informing the indirect estimate: 0 comparison(s). The range of follow up was from 1 to 96 months for the studies included in the whole network. The range of follow-up was 12 months in the studies directly comparing the self-management intervention versus usual care.; b) We rated down the certainty of evidence due to serious risk of bias
6) a) We rated down the certainty of evidence due to serious imprecision, serious risk of bias and serious inconsistency; b) Number of studies included in the network: 463 RCTs; Number of studies directly comparing the intervention with usual care: 3 RCT(s) (N=247); Number of comparison(s) informing the indirect estimate: 0 comparison(s). The range of follow up was from 1 to 96 months for the studies included in the whole network. The range of follow-up was 3-6 months in the studies directly comparing the self-management intervention versus usual care.
7) a) We rated down the certainty of evidence due to very serious risk of bias; b) Number of studies included in the network: 231 RCTs; Number of studies directly comparing the intervention with usual care: 1 RCT(s) (N=28); Number of comparison(s) informing the indirect estimate: 0 comparison(s).The range of follow up was from 1 to 96 months for the studies included in the whole network. The range of follow-up was 6 months in the studies directly comparing the self-management intervention versus usual care.
References of studies informing direct evidence:
1) Campbell-2015
2) Fonda-2009
3) Kang-2010
4) Kang-2010
5) Kang-2010
6) Baghianimoghadam-2012, Kang-2010, Lorig-2008
7) Kang-2010
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