Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Randomized Trial of Economic Incentives to Promote Walking Among Full Time Employees
Brief Summary: This study aims to assess the uptake, effectiveness, and cost-effectiveness of a scalable walking programme for full-time employees both with and without incentives.


Options:
A: Inclusion Criteria:

* Full-time employees living in Singapore
* Aged between 21-65

Exclusion Criteria:

* report difficulty doing 10 minutes of aerobic activities without stopping
* report difficulty walking up 10 stairs without stopping
* report difficulty performing basic activities of daily living
* have any medical conditions that limit their ability to walk as a means of physical activity
* self-identify medical conditions that limit ability to walk AND do not have medical consent
* answer 'YES' to any PAR-Q questions
B: Inclusion Criteria:

* Presenting to cardiology clinic
* Aged 18-69 years
* User of a compatible smartphone

Exclusion Criteria:

* Already using an activity tracker
* Preferred form of activity is not measured by an activity tracker(swimming, yoga, ice skating, stair master, or activities on wheels such as bicycling or rollerblading)
* Prohibited from normal activity due to wheelchair bound status, bed bound status, reliance on a cane/walker, activity-limiting pulmonary disease, activity-limiting angina, activity-limiting osteoarthritis, or other condition.
* 3 days or more of moderate or vigorous activity during leisure time for 30 minutes of more per day by International Physical Activity Questionnaire
C: Inclusion Criteria:

1. Age ≥ 40 years;
2. Recent stroke (defined as stroke symptoms occurring within 4 weeks prior to admission into community hospitals);
3. Diagnosis of stroke made by clinician and/or supported by brain imaging;
4. Able to sit unsupported for 30 seconds;
5. Able to stand on the non-paretic leg for \>4 sec;
6. Able to walk at least 2m with maximum of 1 person assist;
7. Able to follow a 3-step command;
8. Living in the community before discharge and expected to be discharged home;
9. Has a caregiver.

Exclusion Criteria:

1. Has a pacemaker in-situ (because of possible interference of pacemakers by wireless electronic signals);
2. Unable to ambulate at least 150 feet prior to stroke, or intermittent claudication while walking less than 200 meters;
3. Serious cardiac conditions (hospitalization for myocardial infarction or heart surgery within 3 months, history of severe congestive heart failure, serious and unstable cardiac arrhythmias, hypertrophic cardiomyopathy, severe aortic stenosis, angina or dyspnea at rest or during activities of daily living);
4. History of serious chronic obstructive pulmonary disease or oxygen dependence;
5. Severe weight bearing pain;
6. Pre-existing neurological disorders such as Parkinson's disease, Amyotrophic Lateral Sclerosis (ALS), Multiple Sclerosis (MS) or severe dementia
7. History of major head trauma with severe residual deficits;
8. Lower extremity amputation;
9. Legal blindness or severe visual impairment;
10. Severe uncontrolled psychiatric illness such as psychosis, schizophrenia or medication refractory depression;
11. Life expectancy less than three months;
12. Severe arthritis or orthopedic problems that limit passive ranges of motion of lower extremity (knee flexion contracture of \> 10°, knee flexion ROM \< 90°, hip flexion contracture \> 25°, and ankle plantar flexion contracture \> 15°);
13. History of sustained alcoholism or drug abuse in the last six months;
14. Hypertension with systolic blood pressure greater than 200 mmHg and diastolic blood pressure greater than 110 mmHg at rest, that cannot be medically controlled into the resting range of 180/100 mmHg.
D: Inclusion Criteria:

* 18 years of age or older
* male or female
* attendee at a participating TIA clinic within 4 weeks of a first suspected TIA
* diagnosed with a TIA or 'minor' stroke, due to atherosclerosis or small vessel occlusion (diagnosis based on the TOAST classification system (69)(70), following neurological examination and neuroimaging (32)).

Exclusion Criteria:

* patients who have experienced more than one TIA and/or stroke
* inability to give informed consent
* presenting after 4 weeks of their first suspected TIA and/or 'minor' stroke
* contra-indication for exercise training, based on guidelines of the American College of Sports Medicine(72)

Answer: A