Keywords: Adults (20-59 years), Adult's Health (men's health, women's health), Behaviour Modification (e.g., provision of item/tool, incentives, goal setting), Communicable Disease/Infection, Community, Female, Health Care Setting, Hospital, Infants (0-1 years), Meta-analysis, Primary health care provider office (e.g., Public health nurse, dietitian, social worker), Reproductive Health & Healthy Families, Sexually Transmitted Infections (STIs), Youth Health