SCALE OF SYMPTOM POINTS
If you did not suffer from the symptom ever or almost never, leave it at zero
1 = OCCASIONALLY (less than 2 times per week) and symptom was MILD
2 = FREQUENTLY (2 or more times per week) and symptom was MILD
3 = OCCASIONALLY (less than 2 times per week) and symptom was SEVERE
4 = FREQUENTLY (2 or more times per week) and symptom was SEVERE