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J Neurol Neurosurg Psychiatry doi:10.1136/jnnp-2011-300767
  • Neuropsychiatry

When a minor head injury results in enduring symptoms: a prospective investigation of risk factors for postconcussional syndrome after mild traumatic brain injury

Table 3

Individual logistic regression analyses of Brief Illness Perception Questionnaire for the development of postconcussional syndrome at 3 months and at 6 months

Variables PCS at 3 months PCS at 6 months
OR (95% CI) p Value OR (95% CI p Value
BIPQ
 Illness identity 1.156 (1.003 to 1.333) 0.046* 1.269 (1.092 to 1.473) 0.002**
 Timeline 1.426 (1.158 to 1.757) 0.001** 1.701 (1.318 to 2.196) 0.000**
 Personal control 1.188 (1.037 to 1.360) 0.013* 1.192 (1.037 to 1.370) 0.013*
 Consequences 1.257 (1.069 to 1.479) 0.006** 1.328 (1.119 to 1.575) 0.001**
 Concern 1.126 (0.988 to 1.284) 0.075 1.210 (1.054 to 1.388) 0.007**
 Illness coherence 1.114 (0.976 to 1.272) 0.109 1.144 (0.998 to 1.310) 0.053
 Emotional representations 1.102 (0.960 to 1.265) 0.167 1.196 (1.037 to 1.380) 0.014*
  • *p≤0.05, **p≤0.01.

  • BIPQ, Brief Illness Perception Questionnaire; PCS, postconcussional syndrome.

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