Table 5 List of variables

Headache characteristics

Frequency of headache

How often do you have a headache?

1–2 days a week, 3–5 days a week, Almost every day

Duration of episode

How long does your headache last?

Less than 2 h, 2 h up to half a day, The whole day, All day and all night. Dichotomized into ‘Less than 2 h’ and ‘2 h or more’

Typical location

Where is your headache most commonly located?

Whole head, Backside of the head, One side of the head, The neck, The forehead, Behind one eye, Varies a lot

Co-occurring symptoms

Do you have other symptoms with your headache?

Nausea, Vomiting, Light sensitivity, Sound sensitivity

Aggravation by sports

Does sport give you a headache?

Yes, no

Typical pain intensity

Pick the number on a 0–10 pain scale that describes your most common headache

0–10 (numerical rating scale; no pain to worst imaginable pain)

Baseline information

Age

7–14

Sex

Male, female

Height

Height in cm (mean, 10^th and 90^th percentile)

Weight

Weight in kg (mean, 10^th and 90^th percentile)

Overweight♣

Yes, no

Obese♣

Yes, no

Cervical dysfunction**

Variable generated on the basis on cervical joint dysfunctions found on examination

Yes, no

Decreased cervical motion**

Found on examination

Yes, no

Thoracic dysfunction**

Variable generated on the basis on thoracic joint dysfunctions found on examination

Yes, no

Lumbar dysfunction**

Variable generated on the basis on lumbar joint dysfunctions found on examination

Yes, no

Pelvic dysfunction**

Variable generated on the basis on pelvic joint dysfunctions found on examination

Yes, no

Temperomandibular dysfunction**

Variable generated on the basis on temperomandibular joint dysfunctions found on examination

Yes, no

Duration of headache

How long have you suffered from headache?

0.5–1 year, 1–3 years, More than 3 years

Typical onset of attack

When does the headache most often begin?

Morning, Late morning, Afternoon, Evening/night, Varies over day and night

Co-occurring symptoms

Do you have other symptoms with your headache?

Dizziness, Stomach pain, Visual disorder, Spots in from of eyes, Numbness in arms, Other

Trigger factors

Does any of these give you a headache?

Neck pain, Back pain, Stress, Sitting, Reading, Computer/tv, Menstruation

Relieving factors

Does any of these relieve your headache?

Lying sown, Sleeping, Eating, drinking, Fresh air, Sports, Medicine

Neck pain last year

Have you had neck pain within the last year?

Yes, no

Back pain last year

Have you had back pain within the last year?

Yes, no

Dental braces

Do you wear braces on your teeth?

Yes, no

Non-prescriptive medicine

How often do you do you take non-prescription medication for headache?

Never, 1–3 times a month, 1–3 times a week, More than 3 times a week

Prescriptive medicine

Do you take prescription medication for your headache?

Yes, no

Medication other disease

Do you take medication regularly for other diseases?

Yes, no

Examination general practitioner

Were you ever examined by a general practitioner for your headache?

Yes, no

Examination pediatric specialist

Were you ever examined by a pediatric specialist for your headache?

Yes, no

Previous treatment

Did you ever get treatment for your headache?

Yes, no

Treatment

Who gave you the treatment?

General practitioner, pediatrician, physiotherapist, chiropractor, other (reflexology, massage, other)

Trauma to head/neck without need to see doctor

How many times have you hurt your head and/or neck without seeking a doctor or emergency room?

Never, 1–3 times, More than 3 times

Trauma to head/neck with need to see doctor

How many times have you hurt your head and/or neck and been seen by doctor or gone to the emergency room?

Never, 1–3 times, More than 3 times

Concussion

Have you ever had a concussion?

Yes, no

Allergies

Do you have any allergies (pollen, food, perfume, colourants, animals, dust mite, smoke, other)?

Yes, no

Stomach pain

Do you have stomach pain?

No, Rarely (1–5 times a year), Sometimes (6–12 times a year), Often (more than once a month)

Smoking in the home

Does anybody smoke in your home?

Yes, no

Number of days with sport per week

How many hours per week do you do sports?

0 times, 1–3 times, More than 3 times

Screentime

How many hours per day do you spend on computer/TV/I-pad/mobile phone?

0–1 h, 2–4 h, 5–6 h, More than 6 h

Poor sleep

Do you sleep well?

Yes, no

Menstruation

Do you have menstruation and at what age did it start?

No, Start 8–11 years of age, Start 12–14 years of age

Glasses/contact lenses

Do you use glasses/contact lenses?

Yes, no