Developing a Healthy Lifestyle in Breast Cancer Survivors

Inclusion Criteria:

age between 18 and 65 yrs
BMI between 25 and 45 kg/m2
history of breast cancer (stages I [> 1 cm], II, or III) diagnosed within the previous 5 years
completion of initial therapies
engage in > 8 hours a day of SB
engage in < 100 min/wk MVPA.

Exclusion Criteria:

report a heart condition, chest pain during periods of activity or rest, or loss of consciousness on the Physical Activity Readiness Questionnaire (PAR-Q)25 (The Health Screening Questionnaire will also be used to identify individuals with joint problems, prescription medication usage, or other medical conditions that could limit exercise, and these individuals will be required to obtain written physician consent to participate - the two questionnaires are found in questions 4-11 in the phone screen in Appendix B)
report being unable to walk for 2 blocks (1/4 mile) without stopping
report major psychiatric diseases or organic brain syndromes
report a serious medical condition in which weight loss is contraindicated
are currently participating in a weight loss program and/or taking weight loss medication or lost > 5% of body weight during the past 6 months
have had bariatric surgery or are planning to have bariatric surgery in the next 6 months
are participating in a program to increase physical activity and/or decrease sedentary time
intend to move outside of the metropolitan area within the time frame of the investigation
are pregnant, lactating, < 6 months post-partum, or plan to become pregnant during the investigation
are unwilling to attend sessions and/or unwilling to be randomized to any treatment condition;
do not own a smartphone that will run the app required for the Polar® Loop device;
are unwilling to use MyFitnessPal or the Polar® Loop device app for smartphones; or
have a metal allergy or are not able to wear anything on an upper arm (which would prevent the ability of participant to wear the SenseWear® armband from BodyMedia® used in the proposed study).