Table 3 Results of multinomial regression calculations for dietary supplement use (DSU) as criterion variable, with non-usage of the dietary supplements as reference value
| Â | Regular-DSU | Irregular-DSU |
|---|---|---|
OR (95%CI) | OR (95%CI) | |
TOTAL SAMPLE (N = 914) | ||
 Age | 0.91 (0.85–0.98) | 0.97 (0.93–1.02) |
 Competitive result | 1.00 (0.99–1.00) | 1.00 (1.00–1.00) |
 S/KN&DS | 1.67 (1.44–1.92) | 1.11 (1.01–1.22) |
 O/KN&DS | 1.15 (1.04–1.26) | 1.08 (1.01–1.16) |
Gender | ||
 Male | 0.94 (0.61–1.45) | 1.15 (0.85–1.54) |
 Female | REF | REF |
BASKETBALL (N = 228) | ||
 Age | 0.96 (0.85–1.1) | 1.01 (0.93–1.1) |
 Competitive result | 1.18 (0.54–2.60) | 1.29 (0.73–2.28) |
 S/KN&DS | 2.51 (1.85–3.42) | 1.48 (1.20–1.83) |
 O/KN&DS | 1.25 (1.04–1.51) | 1.12 (0.97–1.29) |
Gender | ||
 Male | 1.49 (0.65–3.41) | 0.92 (0.48–1.74) |
 Female | REF | REF |
SOCCER (N = 324) | ||
 Age | 1.22 (0.89–1.69) | 0.86 (0.75–0.98) |
 Competitive result | 1.67 (0.19–14.70) | 0.13 (0.05–0.38) |
 S/KN&DS | 1.73 (0.76–3.96) | 0.85 (0.67–1.06) |
 O/KN&DS | 0.83 (0.53–1.30) | 1.11 (0.93–1.32) |
 Gender |  |  |
 Male | 0.76 (0.11–5.15) | 1.15 (0.56–2.37) |
 Female | REF | REF |
VOLLEYBALL (N = 154) | ||
 Age | 1.06 (0.91–1.22) | 1.03 (0.94–1.13) |
 Competitive result | 0.33 (0.13–0.84) | 0.73 (0.47–1.13) |
 S/KN&DS | 1.12 (0.85–1.47) | 1.13 (0.95–1.34) |
 O/KN&DS | 1.06 (0.88–1.28) | 1.06 (0.95–1.19) |
Gender | ||
 Male | 0.73 (0.32–1.65) | 0.82 (0.50–1.34) |
 Female | REF | REF |
HANDBALL (N = 206) | ||
 Age | 0.83 (0.72–0.95) | 0.95 (0.87–1.03) |
 Competitive result | 1.08 (0.64–1.82) | 1.08 (0.64–1.82) |
 S/KN&DS | 2.12 (1.55–2.90) | 0.97 (0.77–1.22) |
 O/KN&DS | 1.09 (0.91–1.30) | 1.11 (0.97–1.26) |
Gender | ||
 Male | 0.62 (0.25–1.56) | 2.21 (1.08–4.52) |
 Female | REF | REF |