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Table 4 Summary of scores and color codes for each level of evidence

From: Co-benefits of designing communities for active living: an exploration of literature

Level of evidence Range of scores Code
Strong evidence of positive effect 15 and above (+) [+++]
Good evidence of positive effect 10-14 (+) [++]
Moderate evidence of positive effect 4-9 (+) [+]
Insufficient evidence 3.5 (−) to 3.5 (+) [0]
Moderate evidence of negative or null effect 4-9 (−) [−]
Good evidence of negative or null effect 10-14 (−) [−−]
Strong evidence of negative or null effect 15 and above (−) [−−−]