Multiple logistic regression analyses predicting <i>recent (past 12 months) TBI due to sports injuries</i> relative to <i>recent TBI due to other mechanisms of injury</i> by fitting alcohol use, energy drinks, energy drinks mixed with alcohol, respectively, while controlling for sex and academic performance.

<p>Notes:</p><p>⁽¹⁾ Listwise deletion resulted in the following n’s: other causes of recent (past 12 months) TBI (n = 259), and recent TBI due to sports (n = 293);</p><p>⁽²⁾ Listwise deletion resulted in the following n’s: other causes of recent (past 12 months) TBI (n = 268), and recent TBI due to sports (n = 302);</p><p>⁽³⁾ Listwise deletion resulted in the following n’s: other causes of recent (past 12 months) TBI (n = 117), and recent TBI due to sports (n = 128);</p><p>In complex samples, df = (# PSUs)—(# strata);</p><p>*** significant at P < 0.001;</p><p>** significant at P < 0.01;</p><p>* significant at P < 0.05 (two-tailed);</p><p>^a Lifetime, excluding past 12 months;</p><p>^b Past 12 months;</p><p>^c Occasionally/Frequently;</p><p>^dCovariate</p><p>The Table displays adjusted Odds Ratios (OR) and design adjusted 95% CI for TBI, 2013 OSDUHS.</p

Weighted and unweighted estimates of TBI by demographic characteristics and mechanisms of injury for Ontario 7^th–12^th graders, 2013 OSDUHS (N = 10,102).

<p>Note:</p><p>^a Lifetime, excluding past 12 months;</p><p>^b Motor vehicle accident;</p><p>^c Other vehicle accident</p><p>^d Weighted estimates;</p><p>^e Unweighted estimates</p><p>Weighted and unweighted estimates of TBI by demographic characteristics and mechanisms of injury for Ontario 7^th–12^th graders, 2013 OSDUHS (N = 10,102).</p

Percentage of students with and without TBI reporting bullying and conduct behaviours (N = 4735), 2011 OSDUHS.

<p>Notes: Unadjusted odds ratios (OR) and Adjusted Odds ratios (AOR) calculated in logistic regression models controlling for the effect of grade, sex and design; *** <i>P</i><0.001,** <i>P</i><0.01, 2 tail-tests.</p

The proportion of individuals with a history of TBI who reported ‘‘no”, ‘‘mild”, ‘‘moderate”, ‘‘severe”, and ‘‘extreme” difficulty for each of disability factors experienced in the past 12 months.

<p>Note: *The wording of this item refers to the magnitude of being emotionally affected rather than amount of difficulty.</p

WHODAS 2.0 12 item simple scoring mean scores, confidence interval and standard deviations (SD) among Ontario adults, by sex and age categories, 2011–2013 <i>CAMH Monitor survey</i> (n = 5941).

<p>WHODAS 2.0 12 item simple scoring mean scores, confidence interval and standard deviations (SD) among Ontario adults, by sex and age categories, 2011–2013 <i>CAMH Monitor survey</i> (n = 5941).</p

Health and disability, as measured by WHODAS, among Ontario adults with (n = 981) or without (n = 5067) a history of traumatic brain injury (TBI), 2011–2013 <i>CAMH Monitor survey</i>.

<p>Health and disability, as measured by WHODAS, among Ontario adults with (n = 981) or without (n = 5067) a history of traumatic brain injury (TBI), 2011–2013 <i>CAMH Monitor survey</i>.</p

Logistic Regression modeling with TBI, sex and Age and two interaction terms.

a<p>Based on Surveys A and B, N = 8915; ^b Past 12 months; ^c Excluding sips; ^d Past 4 weeks; ^e Based on Form A of the survey, n = 4685; ^f Since September; ^g Totals are based on n = 4230 form B of the survey; ^h *** p<.001, 2 tail test; ⁱ ** p<.01, 2 tail test; ^j * p<.05, 2 tails test.</p><p>Logistic Regression modeling with TBI, sex and Age and two interaction terms.</p

Lifetime prevalence of TBI for females and males by demographics and TBI associated factors, Ontario, Canada 7th–12th graders, 2011.

<p>Note: ^a Percentages are weighted; ^b Totals are based on N = 8915, forms A and B of the survey; ^c Past 12 months; ^d Excluding sips; ^e Past four weeks; ^f Based on subsample A, n = 4685; ^g Since September; ^h Based on subsample B, n = 4230.</p><p><i>ns</i> statistically not-significant, <i>p</i>>.05; <i>*</i> Rao-Scott adjusted Chi-square statistically significant, <i>p</i><.05; ** Rao-Scott adjusted Chi-square statistically significant, <i>p</i><.01; *** Rao-Scott adjusted Chi-square statistically significant, p<.001.</p><p>Lifetime prevalence of TBI for females and males by demographics and TBI associated factors, Ontario, Canada 7th–12th graders, 2011.</p

Past year physical injuries among adolescents with a history of TBI.

<p>Based on subsample B, n = 4230.</p

Past year daily smoking among adolescents with a history of TBI.

<p>Totals are based on N = 8915, forms A and B of the survey.</p