Understanding Age-Based Differences in Psychosocial Harms, Physical Harms, and Access Difficulties Among an International Sample of Men Who Use Anabolic-Androgenic Steroids.

There were also highly significant differences between age groups, in terms of age at first using injectable steroids, t (818) = −16.17, p < .001, and for age at first using oral steroids, t (699) = −16.04, p < .001.

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There was also a marginally significant difference between the age groups for consumption of injectable steroids within the last 12 months, χ [1] = 3.84, p = .050, whereby the ≥40 group were slightly more likely to have consumed injectable AAS within the last 12 months (73.0%) than the <40 group (66.2%).

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