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. 2016 Aug 2;4(3):e93. doi: 10.2196/mhealth.4878

Table 1.

The questions presented to the user, showing their minimum, maximum, and recommended values.

Domain IDa Question Minb Maxc Recommended (source) Type
Cognitive 1 How many minutes did you spend today doing “novel mental exercises”? 0 120 30 minutes (NIHd) Objective
Cognitive 2 How many minutes did you spend today doing “cognitively stimulating activities”? 0 120 30 minutes (NIH) Objective
Food 3 How many cups of fruits and vegetables did you eat today? 0 10 5 cups (CDCe) Objective
Food 4 How many ounces of whole grains did you eat today? 0 10 3 ounces (CDC) Objective
Food 5 How many servings of nuts, seeds, or legumes did you eat today? 0 5 1 serving (CDC) Objective
Physical 6 How many minutes of “moderate” physical activity did you do today? 0 60 30 minutes (AHAf) Objective
Physical 7 How many minutes of “vigorous” physical activity did you do today? 0 60 20 minutes (AHA) Objective
Sleep 8 How would you rate your sleep promotion efforts over the past 24 hours? 0 5 5 Subjective
Social 9 How would you rate your social engagement in the last 24 hours? 0 7 7 Subjective
Stress 10 How much effort have you put into decreasing your stress over the past 24 hours? 0 10 10 Subjective
Stress 11 On a scale of 1-10 how would you rate your stress level over the past 24 hours? 1 10 1 Subjective
Wearable 12 How many Nike Fuelpoints did you earn today? 0 5000 2000 (Nike) Objective

a ID: identification.

b Min: minimum.

c Max: maximum.

d NIH: National Institutes of Health.

e CDC: Centers for Disease Control and Prevention.

f AHA: American Heart Association.