Healthy Living After Knee Replacement

Inclusion Criteria:

Participants must:

• have a body mass index between 25-45 kg/m2

• have had a knee replacement (including primary, staged or independent bilateral, orrevision) <6 months prior to baseline assessment

• have a computer, tablet, or smartphone with active internet access to self-monitoronline and/or have a device or computer compatible with Fitbit

• completion of baseline assessment measures (height, weight, function tests, surveys, ≥4 days valid of activity monitoring, and 1 day of dietary recall)

• be English-speaking and able to read consent and study materials written in English

• be willing to attend 4 in-person assessments.

Exclusion Criteria:

• have any contraindications to diet or weight loss

• undergo simultaneous bilateral knee replacement or have a scheduled or anticipatedknee replacement for the contralateral knee within the next 18 months

• have a mobility limiting comorbidity unrelated to knee replacement (e.g. spinalstenosis, fibromyalgia, peripheral vascular disease, stroke)

• are taking anti-obesity medications

• are enrolled in a formal weight loss program

• had or are planning to have bariatric/gastric/lap band surgery

• are planning to relocate out of the Columbia or Greenville, SC areas in the next 18months.