Sex
0 = Male
1 = Female

0 = India
1 = Malay
2 = Chinese
3 = Others

1 = Underweight (<18.5)
2 = Normal (18.5-24.9)
3 = Overweight (25.0-29.9)
4 = Obese (30 and >)

Physical Activity Category
1 = Inactive (<600)
2 = Minimally active (600-2999)
3 = HEPA active (3000 and >)

Smoking Category
0 = No
1 = Yes

Category of Problematic Internet Use
0 = Low
1 = High

Social Support Category
0 = Low
1 = Moderate
2 = High

Stress Category
0 = Mild (<14)
1 = Moderate (14-26)
2 = Severe (>26)

0 = Minimal (0-4)
1 = Mild (5-9)
2 = Moderate (10-14)
3 = Severe (>14)