Table 4 Relationship between demographic variables and the use of supplements
Demographic variables | Using supplements (%) | p-value | |
|---|---|---|---|
Age (year) | 15–20 | 44.9 | 0.187 |
21–25 | 61.0 | ||
26–30 | 63.1 | ||
31–35 | 58.6 | ||
36–40 | 55.8 | ||
˃ 40 | 64.5 | ||
Income (per month) | Very low income (≤ 84 dollars) | 58.4 | 0.786 |
Low income (85–170 dollars) | 61.4 | ||
Middle income (171–250 dollars) | 64.1 | ||
High income (˃ 250 dollars) | 55.8 | ||
Gender | Female | 55.2 | 0.426 |
Male | 59.1 | ||
Education | Middle school degree | 47.8 | 0.391 |
High school degree | 59.1 | ||
Associate degree | 63.6 | ||
Bachelor’s degree | 61.2 | ||
Master’s degree | 50.0 | ||
Ph.D. degree | 60.0 | ||
History of exercise in gyms | < 1 year | 40.0 | 0.000 |
1–2 years | 59.5 | ||
3–5 years | 65.2 | ||
6–10 years | 69.2 | ||
˃ 10 years | 78.7 | ||
Marital status | Married | 54.2 | 0.239 |
Single | 60.0 | ||
Participating in the competitions | Yes | 69.9 | 0.004 |
No | 53.6 | ||