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. 2023 Jul 1;23:1277. doi: 10.1186/s12889-023-15908-0

Table 2.

Number of papers in each category

Categories of ‘how’ initiative was instigated # of papers %
Policy 178 11%
Collaboration 181 11%
Service Reform 247 15%
Law 91 6%
City Health (or other) Department 163 10%
WHO Healthy Cities 51 3%
National or Philanthropic 68 4%
Fiscal / Financial levers 38 2%
Research 55 3%
WHO (but not Healthy Cities) 6 0%
Stanford 5 City Project 7 0%
Not stated 529 33%