Table 1 Dimensions of the self-rating anxiety and the corresponding questions from SAS

Anxiousness

I feel more nervous and anxious than usual.

Fear

I feel afraid for no reason at all.

Panic

I get upset easily or feel panicky.

Mental disintegration

I feel like I'm falling apart and going to pieces.

Apprehension

I feel that everything is all right and nothing bad will happen.

Tremor

My arms and legs shake and tremble.

Body ache & pain

I am bothered by headaches neck and back pain.

Easy fatigability & weakness

I feel weak and get tired easily.

Restlessness

I feel calm and can sit still easily.

Palpitation

I can feel my heart beating fast.

Dizziness

I am bothered by dizzy spells.

Faintness

I have fainting spells or feel like it.

Dyspnea

I can breathe in and out easily.

Paresthesia

I get feelings of numbness and tingling in my fingers and toes.

Nausea & vomiting

I am bothered by stomachache or indigestion.

Urinary frequency

I have to empty my bladder often.

Sweating

My hands are usually dry and warm.

Facial flushing

My face gets hot and blushes.

Insomnia

I fall asleep easily and get a good night's rest.

Nightmare

I have nightmares.