Table 1.

Survey questionnaires influencing skin wrinkles.

Question Category	Main Questions	Answers
Personal condition	Age	(  )
	Sun exposure	(  ) hours
	Having metabolic diseases	Yes or no
	Menopause	No, yes with HRT treatment, or yes without treatment
	Sleep	Normal or cannot sleep because of mental stress
	Tiredness	Normal or tired
	Exercise	Outside, inside, or none
	UV exposure	Less than 1 h/day, 1~3 h/day, or >3 h/day
	Sunscreen usage	Always, sometimes, rarely, or not at all
Food and water intake	Vitamin supplementation	Fatigue recovery: yes, no, or not sure
	Fruit or fruit juice intake	Every day, occasionally (1–2 times/week), or rarely
	Fried food intake	Every day, occasionally (1–2 times/week), or rarely
	Water intake	(   ) glasses 1 per day
	Coffee intake	(   ) cups 1 per day
	Fast food intake	Frequently, occasionally (1–2 times/week), or rarely

¹ Glasses and cups were indicated as 200 mL. HRT, hormone replacement therapy.