Table 1 Lifestyle factor questionnaire

Nutrition

• How many times have you chosen a diet low in fat, saturated fat, and cholesterol?

• How many times have you limited the use of sugars and food containing sugar? (i.e., sweets)

• How many days have you eaten 2–4 servings of fruit each day?

• How many days have you eaten 3–5 servings of vegetables each day?

• How many days have you eaten 2–3 servings of food high in Omega? (i.e. fish, flaxseed, chia seeds, walnuts)

• How many days have you taken any Omega supplements? (i.e. fish oil capsules)

• How many days have you drunk more than 1–2 alcoholic drinks? (one drink = 375 ml beer, half glass of wine, one shot of hard liquor)

Caffeine

• How many days have you had caffeinated beverages? (i.e. coffee, tea, Coke, energy drinks)

• How many times in a day have you had caffeinated beverages?

• How many cups in a day have you had each time? (i.e. 1 cup = 1 shot of coffee)

Exercise

• Have you exercised vigorously for 20 or more minutes at least 3 times? (i.e. brisk walking, bicycling, aerobic dancing, using a stair climber)

• Have you taken part in light to moderate physical activity for 30 or more minutes at least 5 times? (i.e. sustained walking, pilates, hiking)

• Have you taken part in leisure-time (recreational) physical activities?

• Have you done stretching exercises at least 3 times?

Stress

• How many times have your emotions stopped you from carrying out day-to-day activities?

• How many times have you felt emotionally drained?

• How many times have you avoided your study/ work/ commitments and responsibilities?

• How many times were your hands sweaty (due to stress)?

• How many times you couldn’t breathe (due to stress)?

• How many times did you feel lazy when it came to your study/ work/ commitments and responsibilities?

• How many times have you had trouble concentrating?

• How many times have you had difficulty eating (due to stress)?

Sleep

• How many days have you taken medicine (prescribed or over the counter) to help you sleep?

• How many times have you had trouble staying awake while driving, eating meals or engaging in social activity?

• How many times have you woken up (without being physically interrupted) during your sleep?

• How would you rate your quality of sleep?

• How many days do you get 8 h of undisturbed sleep?

Environment

• How many hours have you spent outdoors each day?

Device used

• How many hours per day have you spent watching television?

• How many hours per day have you spent doing near work activities? (i.e. computer work, using iPad, reading a book, paperwork)