Skip to main content

Table 3 Affecting factors on AAS use for competitive bodybuilders

From: Androgenic-anabolic steroids use among bodybuilders in western Iran: application of ridge logistic regression model

Variable

\(\widehat{{\mathbf{\beta }}}\)

SE (\(\widehat{{\mathbf{\beta }}}\))

Odds ratio

95% CI

p-value

Intrapersonal factors

Age

− 0.075

0.189

0.927

(0.641, 1.344)

< 0.001

Time of starting the bodybuilding

− 0.091

0.131

0.913

(0.847, 1.416)

< 0.001

Body mass index

0.031

0.345

1.032

(0.525, 2.028)

0.194

Attitude

0.102

0.721

1.108

(0.270, 4.550)

< 0.001

Subjective norms

0.016

0.073

1.017

(0.881, 1.172)

0.546

Physical self-concept

− 0.225

0.850

0.798

(0.151, 4.225)

< 0.001

Behavioral intention

0.219

0.894

1.245

(0.216, 7.180)

< 0.001

Behavioral willingness

0.124

0.339

1.132

(0.582, 2.200)

< 0.001

Interpersonal factors

Coach use AAS

0.559

0.138

1.749

(1.334, 2.292)

< 0.001

Friend use AAS

1.039

0.539

2.820

(0.983, 8.129)

< 0.001

Behavioral factors

Alcohol consumption

0.715

0.068

2.045

(1.789, 2.336)

< 0.001

Smoking

0.070

0.249

1.072

(0.658, 1.747)

0.676

Supplement use

0.813

0.252

2.256

(1.376, 3.695)

< 0.001