Table 1 Sociodemographic and lifestyle characteristics of all participants and of supplements users
From: Prevalence of dietary supplement use by gym members in Portugal and associated factors
| Percentage of total population (n = 459) | Percentage of supplement users (n = 201) | P | |
|---|---|---|---|
| Gender | |||
| Male | 34.4 | 49.3 | < 0.05 |
| Female | 65.6 | 50.7 | |
| Age Group | |||
| 18–25 | 25.6 | 26.3 | < 0.05 |
| 25–35 | 37.8 | 42.9 | |
| 35–46 | 25.8 | 25.8 | |
| 46–56 | 6.5 | 2.5 | |
| 56–67 | 3.4 | 2.0 | |
| 67–77 | 0.9 | 0.5 | |
| Education | |||
| No schooling | 0.2 | 0 | 0.418 |
| 4th year | 0.2 | 0 | |
| 9th year | 3.7 | 2.5 | |
| 12th year | 24.4 | 23.4 | |
| Bachelor’s Degree | 1.5 | 1.5 | |
| Graduation | 46.4 | 45.3 | |
| Master | 21.4 | 23.9 | |
| PhD | 2.2 | 3.5 | |
| Alcohol intake | |||
| No | 65.4 | 66.7 | 0.603 |
| Yes | 34.6 | 33.3 | |
| Smoke status | |||
| No | 86.3 | 87.6 | 0.479 |
| Yes | 13.7 | 12.4 | |
| Total time of exercise per week | |||
| < 5 h | 63.7 | 37.0 | < 0.05 |
| 5–10 h | 31.6 | 52.5 | |
| 10–15 h | 3.3 | 7.5 | |
| > 15 h | 1.3 | 3.0 | |