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TABLE 5

Linear and Quadratic Trends for Suicidal Thoughts and Behaviors by Race and Ethnicity Among Male Adolescents, 1991–2017

Suicidal BehaviorsWhiteBlackHispanicAsian American or PIAIANNon-Hispanic Multiple Race
OR95% CIPOR95% CIPOR95% CIPOR95% CIPOR95% CIPOR95% CIP
Suicidal ideation                   
 Linear 0.96 0.95–0.96 <.001 0.96 0.95–0.97 <.001 0.96 0.95–0.97 <.001 0.95 0.93–0.97 <.001 0.94 0.89–0.99 .01 0.96 0.92–1.01 .10 
 Quadratic 1.01 1.01–1.01 <.001 1.01 1.00–1.01 <.001 1.01 1.01–1.01 <.001 1.01 1.01–1.02 .00 1.01 1.00–1.02 .09 0.99 0.98–1.01 .29 
Suicide plan                   
 Linear 0.97 0.96–0.98 <.001 0.98 0.97–1.00 .01 0.98 0.97–0.99 <.001 0.97 0.94–0.99 .00 0.97 0.93–1.02 .23 0.97 0.93–1.02 .25 
 Quadratic 1.00 1.00–1.01 .06 1.01 1.00–1.01 .00 1.00 1.00–1.01 .02 1.01 1.00–1.01 .17 1.00 0.99–1.02 .56 0.99 0.98–1.01 .46 
Suicide attempt                   
 Linear 1.00 0.98–1.01 .76 1.04 1.02–1.07 <.001 0.99 0.98–1.01 .35 0.98 0.95–1.02 .42 0.96 0.90–1.02 .18 1.00 0.94–1.06 .96 
 Quadratic 1.00 0.99–1.00 .16 1.00 0.99–1.00 .38 1.00 1.00–1.00 .67 0.99 0.98–1.01 .34 1.00 0.99–1.02 .70 0.98 0.96–1.00 .04 
Injury by attempt                   
 Linear 0.98 0.96–1.01 .26 1.04 1.00–1.08 .048 1.01 0.99–1.04 .40 1.08 0.99–1.16 .08 0.89 0.78–1.02 .09 0.99 0.90–1.09 .82 
 Quadratic 0.99 0.99–1.00 .01 0.99 0.98–1.00 .08 1.00 0.99–1.00 .13 0.97 0.95–0.99 .01 0.99 0.96–1.01 .31 0.98 0.95–1.02 .30 
Suicidal BehaviorsWhiteBlackHispanicAsian American or PIAIANNon-Hispanic Multiple Race
OR95% CIPOR95% CIPOR95% CIPOR95% CIPOR95% CIPOR95% CIP
Suicidal ideation                   
 Linear 0.96 0.95–0.96 <.001 0.96 0.95–0.97 <.001 0.96 0.95–0.97 <.001 0.95 0.93–0.97 <.001 0.94 0.89–0.99 .01 0.96 0.92–1.01 .10 
 Quadratic 1.01 1.01–1.01 <.001 1.01 1.00–1.01 <.001 1.01 1.01–1.01 <.001 1.01 1.01–1.02 .00 1.01 1.00–1.02 .09 0.99 0.98–1.01 .29 
Suicide plan                   
 Linear 0.97 0.96–0.98 <.001 0.98 0.97–1.00 .01 0.98 0.97–0.99 <.001 0.97 0.94–0.99 .00 0.97 0.93–1.02 .23 0.97 0.93–1.02 .25 
 Quadratic 1.00 1.00–1.01 .06 1.01 1.00–1.01 .00 1.00 1.00–1.01 .02 1.01 1.00–1.01 .17 1.00 0.99–1.02 .56 0.99 0.98–1.01 .46 
Suicide attempt                   
 Linear 1.00 0.98–1.01 .76 1.04 1.02–1.07 <.001 0.99 0.98–1.01 .35 0.98 0.95–1.02 .42 0.96 0.90–1.02 .18 1.00 0.94–1.06 .96 
 Quadratic 1.00 0.99–1.00 .16 1.00 0.99–1.00 .38 1.00 1.00–1.00 .67 0.99 0.98–1.01 .34 1.00 0.99–1.02 .70 0.98 0.96–1.00 .04 
Injury by attempt                   
 Linear 0.98 0.96–1.01 .26 1.04 1.00–1.08 .048 1.01 0.99–1.04 .40 1.08 0.99–1.16 .08 0.89 0.78–1.02 .09 0.99 0.90–1.09 .82 
 Quadratic 0.99 0.99–1.00 .01 0.99 0.98–1.00 .08 1.00 0.99–1.00 .13 0.97 0.95–0.99 .01 0.99 0.96–1.01 .31 0.98 0.95–1.02 .30 

All analyses adjusted for grade levels.

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