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. Author manuscript; available in PMC: 2023 Nov 1.
Published in final edited form as: Sports Med. 2022 Jul 6;52(11):2759–2773. doi: 10.1007/s40279-022-01719-7

Table 2.

Results of the hierarchical, generalized linear models for outcomes from women

Predictor BESS
BSI-18 Global Severity Index
BSI-18 Anxiety
BSI-18 Depression
BSI-18 Somatic
Exp(B) 95% CI Exp(B) 95% CI Exp(B) 95% CI Exp(B) 95% CI Exp(B) 95% CI
2 previous concussions 1.03 0.97 – 1.09 1.11 0.92 – 1.35 1.22 0.99 – 1.52 0.97 0.75 – 1.27 1.13 0.91 – 1.42
3 + previous concussions 0.94 0.85 – 1.03 1.35* 1.02 – 1.81 1.40* 1.02 – 1.94 1.36 0.94 – 2.02 1.28 0.92 – 1.81
Black Race/Ethnicity 1.07 0.99 – 1.17 1.02 0.78 – 1.37 0.76 0.55 – 1.06 1.08 0.75 – 1.59 1.28 0.94 – 1.79
Other Race/Ethnicity 0.99 0.93 – 1.05 1.12 0.92 – 1.38 1.01 0.80 – 1.27 1.11 0.85 – 1.46 1.27* 1.01 – 1.62
Psychiatric disorder 1.03 0.96 – 1.11 2.07** 1.66 – 2.61 2.34** 1.83 – 3.00 2.70** 2.04 – 3.64 1.36* 1.05 – 1.78
Neurodevelopmental disorder 1.01 0.94 – 1.09 1.44** 1.14 – 1.84 1.47** 1.13 – 1.93 1.35 0.99 – 1.88 1.48* 1.13 – 1.96
Migraine 0.99 0.93 – 1.06 1.34* 1.09 – 1.67 1.26 0.99 – 1.61 1.26 0.95 – 1.69 1.52** 1.20 – 1.96
SES 1 1.00 – 1.00 1 0.99 – 1.00 1 0.99 – 1.01 1 0.99 – 1.01 0.99 0.98 – 1.00
Limited-contact sport 0.99 0.93 – 1.05 0.91 0.75 – 1.11 1 0.80 – 1.25 0.93 0.72 – 1.20 0.83 0.66 – 1.04
Contact sport 1.03 0.97 – 1.09 0.73** 0.61 – 0.87 0.88 0.71 – 1.07 0.63** 0.49 – 0.81 0.67** 0.55 – 0.83
AFC 1 0.99 – 1.01 0.96** 0.94 – 0.98 0.96* 0.94 – 0.99 0.97* 0.93 – 1.00 0.96** 0.93 – 0.99
Observations 1705 1807 1807 1807 1807
Overall model LRT = 13.66 LRT = 112.75** LRT = 93.58** LRT = 95.38** LRT = 70.82**
Distribution Negative binomial Negative binomial Negative binomial Negative binomial Negative binomial
Predictor ImPACT PCSS
ImPACT Verbal Memory
ImPACT Visual Memory
ImPACT Visual Motor Speed
ImPACT Reaction Time
Exp(B) 95% CI B 95% CI B 95% CI B 95% CI B 95% CI

2 previous concussions 1.15 0.93 – 1.45 1.71* 0.34 – 3.08 0.86 − 0.89 – 2.61 0.72 − 0.10 – 1.53 − 0.0126* − 0.0245 – −0.0003
3 + previous concussions 1.11 0.80 – 1.58 2.10* 0.01 – 4.20 3.60* 0.94 – 6.27 1.62* 0.38 – 2.87 − 0.0303** − 0.0473 – −0.0123
Black Race/Ethnicity 1.05 0.77 – 1.47 − 1.85 − 3.85 – 0.16 − 1.27 − 3.82 – 1.29 − 1.04 − 2.23 – 0.15 0.0285** 0.0097 – 0.0486
Other Race/Ethnicity 1.24 0.99 – 1.57 0.69 − 0.72 – 2.10 0.26 − 1.54 – 2.06 − 0.1 − 0.94 – 0.73 0.0081 − 0.0046 – 0.0212
Psychiatric disorder 1.42* 1.10 – 1.86 − 0.90 − 2.56 – 0.76 − 0.24 − 2.35 – 1.87 − 0.05 − 1.03 – 0.93 − 0.0035 − 0.0178 – 0.0114
Neurodevelopmental disorder 1.63** 1.23 – 2.21 − 1 − 2.85 – 0.84 − 1.55 − 3.89 – 0.80 − 2.34** − 3.44 – − 1.25 0.0187* 0.0018 – 0.0365
Migraine 1.38* 1.08 – 1.79 0.62 − 0.96 – 2.20 − 0.46 − 2.47 – 1.56 0.26 − 0.68 – 1.20 − 0.0036 − 0.0172 – 0.0108
SES 1 0.99 – 1.01 0.07* 0.01 – 0.13 0.07 − 0.01 – 0.14 0.07** 0.03 – 0.10 − 0.0003 − 0.0008 – 0.0003
Limited-contact sport 0.65** 0.52 – 0.81 0.92 − 0.50 – 2.34 0.96 − 0.85 – 2.77 0.34 − 0.50 – 1.19 − 0.0063 − 0.0191 – 0.0065
Contact sport 0.62** 0.50 – 0.76 1.62* 0.31 – 2.93 3.34** 1.67 – 5.00 1.03* 0.25 – 1.81 − 0.0042 − 0.0161 – 0.0075
AFC 0.97* 0.94 – 1.00 0.03 − 0.15 – 0.20 − 0.03 − 0.25 – 0.19 0.06 − 0.04 – 0.17 − 0.0027** − 0.0043 – −0.0011
Observations 1445 1467 1467 1467 1466
Overall model LRT = 64.60** F = 2.76** F = 3.14** F = 4.97** F = 3.24**
Distribution Negative binonrial Gaussian Gaussian Gaussian Inverse Gaussiain

AFC age of first concussion, BESS Balance Error Scoring System, BSI-18 Brief Symptom Inventory 18, ImPACT Immediate Post-Concussion Assessment and Cognitive Testing, LRT Likelihood ratio test, PCSS Post-Concussion Symptom Scale, SES socioeconomic status

*

P < 0.05,

**

P < 0.005