Measures
EMA
At baseline, participants self-reported their age (date of birth); sex (male or female); ethnicity (Chinese, Indian, Malay, or Other); marital status (single or never married, currently married, separated but not divorced, divorced, widowed, or refuse to answer); monthly household income (<SG $2000 [US $1466], SG $2000-SG $3999 [US $1466-US $2932], SG $4000-SG $5999 [US $2933-US $4398], SG $6000-SG $9999 [US $4399-US $7331], >SG $10,000 [>US $7332]), refuse to answer, or do not know); whether they are an undergraduate or postgraduate student; and the faculty they are studying in.Biometric assessments (height in cm and weight in kg) were taken by trained study personnel. BMI was calculated from height and weight measurements and classification recommendations for Asian populations [EMA surveys were administered via the HiSG app, and responses were automatically captured by the app and uploaded to a study server in real time.