Dose Response of Exercise for Arthritis Management

Inclusion Criteria: * 18 years or older * Have a doctor diagnosed form of arthritis, rheumatoid arthritis, gout, lupus, or fibromyalgia * Ability to read and write in English Exclusion Criteria: * Have any contraindications to exercise (besides arthritis) * Engage in \>45 min/week of Actigraph assessed moderate to vigorous intensity activity * Are pregnant, breastfeeding, or planning to become pregnant in the next year * Are planning to relocate out of the Columbia, SC area in the next 12 months, * Do not have a device compatible with Fitbit * Have uncontrolled hypertension (e.g., systolic blood pressure \> 160 mmHg or diastolic blood pressure \> 100 mmHg) * Plan to have a surgery that affects mobility in the next 12 months * Have a serious cognitive impairment. * Not willing to be randomized to any of the 3 conditions, do not believe they could adhere to the goals, or do not believe they could achieve the highest dose of activity (150 minutes/week).