Table 1.

Pre-existing Measures used in the Study

Health Variable	Measure	Number of Items	Reference Period	Description	Reliability in Present Study
Fruit & vegetables/day	Multifactor Screener	7	Past month	Food frequency questionnaire used in NCI’s OPEN and EATS studies. Used to calculate pyramid servings of fruits and vegetables per day.	N/A
Physical activity	International Physical Activity Questionnaire – Short Form (IPAQ-SF)	7	Past month	Subjects report average number of days per week and minutes per day of physical activity, not including yoga practice. Total score used to classify levels of physical activity (low, moderate, high).	N/A
Sleep disturbance	PROMIS®	4	Past 7 days	PROMIS® and NIH Toolbox are NIH initiatives providing a free national	.83
Fatigue	PROMIS®	4	Past 7 days	databank of commonly used patient-reported outcome measures. Use 5-point	.90
Socials support	NIH Toolbox	8	Past few months	Likert scales, ranging from 1 (‘not at all’) to 5 (‘very much’). Standardized T Scores may be calculated from PROMIS.	.96
Subjective well-being	Mental Health Continuum-Short Form	14	Past month	Measure of positive mental health or “happiness.” Scores used to classify individuals as flourishing, moderately mentally healthy, or languishing.	.91
Mindfulness	Freiberg Mindfulness Inventory-SF	8	Past month	Measures mindfulness, the immediate ability to focus on the present moment without judgment.	.87

N/A = not applicable. PROMIS = Patient-Reported Outcome Measures Information System