The Change Club Study: Evaluation of Civic Engagement for Built Environment Change and Health Improvement

Inclusion Criteria: We will be recruiting Change Club members (CCM), friend and family members (FFM) of CCM, and community residents (CR). Common inclusion criteria include: * Age 18-99 * English-speaking CCM also must: * Provide consent electronically * Be willing to be randomized to either group * Score "poor" or "intermediate" on at least one of the Simple 7 composite score items (e.g. not meeting Physical Activity Guidelines for Americans) * Live in one of the designated towns in NY and TX FFM also must: * Provide consent electronically * Be family members or friends identified by a CCM CR also must: * Provide consent electronically * Live in one of the designated towns in NY and TX Exclusion Criteria: * Cognitive impairment (if it precludes completion of assessments and/or intervention) * Inability to communicate due to severe, uncorrectable hearing loss or speech disorder (if it precludes completion of assessments and/or intervention) * Severe visual impairment (if it precludes completion of assessments and/or intervention) * Inability to read (as it precludes completion of assessments and/or intervention) * Already included in another study sample (e.g. CR cannot also be CCM)