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Summary of interventions
| 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|
| Baseline – self-report survey: August—September | x | |||
| Annual self-report survey: August—September | x | x | x | |
| Interventions: | ||||
| a. Information at parents’ meetings (directly after the self-report survey) | x | x | x | x |
| b. Newsletter to parents (3–6 times per year, beginning after the self-report survey) | x | x | x | x |
| c. Informational work directed at the local community | x | x | x | x |
| d. Public health message via local media (after the self-report survey) | x | x | x | x |
