Prevalence and social-cognitive determinants of the use of performance enhancing substances by Portuguese gymgoers

Psychology

• Intention 100%
• Substance Abuse and Dependence 83%
• Subjective Norm 16%
• Attitude and Beliefs 11%
• Attitudes 11%
• Theory of Planned Behavior 5%
• Health Concern 5%
• Public Health 5%

Social Sciences

• Performance 61%
• Determinants 11%
• Attitudes 11%
• Influence 11%
• Men 11%
• Women 11%
• Belief 11%
• Portuguese 11%
• Social Influence 5%
• Health Policy 5%
• Support 5%
• Analysis 5%
• Surveys 5%
• Gender 5%
• Intervention 5%
• Testing 5%
• Associations 5%
• Variance 5%
• Correction 5%
• Structural Equation Modeling 5%

Neuroscience

• Structural Equation Modeling 5%
• Theory of Planned Behavior 5%
• Predictor 5%