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Table 6 Correlation matrix

From: Description of recurrent headaches in 7–14-year-old children: Baseline data from a randomized clinical trial on effectiveness of chiropractic spinal manipulation in children with recurrent headaches

 

Frequency

Intensity

Duration

Length

Medication

Sick days

Frequency

1.0000

     

Intensity

 − 0.0925

1.0000

    

Duration

0.0026

0.0616

1.0000

   

Length

0.1090

0.1322

0.0774

1.0000

  

Medication

0.0163

0.1381

0.1416

0.0606

1.0000

 

Sick days

0.0616

0.2545

0.1891

0.2291

0.1601

1.0000

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Chiropractic & Manual Therapies

ISSN: 2045-709X