Please assess the completion status of the following clinical trial:

Trial Title: Increasing Physical Activity Among Sedentary Older Adults:What, Where, When, and With Whom

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: SINGLE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Sedentary adults, who own an iphone with step-tracking capabilities (5s or later).~* Participants must be fit enough to walk for at least 20 minutes at a time.~Exclusion Criteria:~* Cognitive impairment~* A recent (within the past 6 months) cardiovascular event, or fall.~* A doctor has advised them not to walk~* Anyone who already exercises regularly: walks for exercise more than 30 minutes per day, or does other forms of exercise 150 minutes per week or more, will be excluded.

- Gender: ALL
- Minimum Age: 50 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- App Control Condition (Type: EXPERIMENTAL): The control group will just have the App with the accelerometer program to set step goals and to count and record steps for 1 month
- App Experimental condition (Type: EXPERIMENTAL): The experimental condition will set step goals and have the schedule, map, and social components for 1 month.

Based on this trial design, predict the completion outcome and termination type (if applicable).