TABLE 2.

Content of E-questionnaire Posed 12 to 14 Years After Acute Whiplash Injury

Do you currently experience health-related problems caused by the car mishap, you were exposed to? (yes/no)
Do you often experience following nonpainful problems/symptoms after the car mishap?	A checklist of nonpainful symptoms/problems related to the car mishap with following options: no symptoms or yes, 1 or more of each of following symptoms: prickling/sleeping sensation, fatigue, sleep disorders, balance problems, hyperacusis, visual disturbances, anxiety/depression, irritability, dizziness, forgetfulness, concentration problems, nausea, globulus/dysphagia, jaw pain/ jaw disability, stiffness or reduced neck mobility, and finally, yes describe other problems (several choices available)
Do you experience pain after the car mishap?	NRS-11 average neck pain during the last week; NRS-11 average headache during the last week; NRS-11 average shoulder-arm pain during the last week; NRS-11 average low back pain during last week
Do you receive nonmedical treatment because of the previous car mishap today	Several choices, none; perform instructed neck exercises, chiropractic treatment, physiotherapy, acupuncture, yes other nonmedical treatment, describe other treatments
Do you receive medical treatment because of the car mishap today	Several choices, none, acetylsalicylic acid, acetaminophen, NSAIDs, tramadol, morphine or morphine-like drugs, migraine medication (eg, triptans, ergotalkaloids), epilepsy drugs (eg, gabapentin, pregabalin, topiramate), depression medication (eg, amitriptyline, nortriptyline, imipramine, mirtazapine, other), yes other medication, describe other medications
Have your employment status changed due to the mishap today	No change, yes changed function, but similar working hours due to mishap, yes, reduced working hours due to mishap, yes, I receive disability pension due to mishap, I was retired before mishap, Other change not related to whiplash mishap, describe
The Impact of Event Questionnaire	All questions regarding impact of the initial whiplash injury as event were posed

NRS indicates numeric rating scale; NSAID, non-steroidal anti-inflammatory drugs.