Table 2.
Univariate comparison of selected predictors between supplement users with their non-using counterparts
| Supplement users | Supplement non-users | p | |
|---|---|---|---|
| N (%) | 151 (29) | 375 (71) | – |
| Male sex, N (%) | 61 (40) | 133 (35) | 0.32 |
| Age, years | 20.3 ± 1.8 | 19.8 ± 1.4 | 0.004 |
| Living with parents, N (%) | 13 (9) | 48 (13) | 0.228 |
| Income 51,000 tenge and more | 45 (30) | 81 (22) | 0.055 |
| Income 101,000 tenge and more | 20 (13) | 16 (4) | 0.001 |
| Daily smoking, N (%) | 24 (16) | 35 (9) | 0.046 |
| Waterpipe ever smoking, N (%) | 55 (36) | 119 (32) | 0.307 |
| Electronic cigarette regular use, N (%) | 24 (16) | 18 (5) | 0.001 |
| Snuss ever use, N (%) | 24 (16) | 19 (5) | 0.001 |
| Never alcohol drinking, N (%) | 93 (62) | 262 (70) | 0.083 |
| Strictly following daily routine, N (%) | 65 (43) | 96 (26) | 0.001 |
| Sleep 8 h and more daily, N (%) | 63 (42) | 99 (26) | 0.001 |
| No daytime sleepiness, N (%) | 69 (46) | 99 (26) | 0.001 |
| Use of fitness tracker, N (%) | 78 (52) | 44 (12) | 0.001 |
| Low fat and cholesterol diet, N (%) | 107 (71) | 192 (51) | 0.001 |
| Limited sugar, cakes and soda diet, N (%) | 103 (68) | 167 (45) | 0.001 |
| Daily fruit consumption, N (%) | 107 (71) | 202 (54) | 0.001 |
| Daily vegetables consumption, N (%) | 105 (70) | 198 (53) | 0.001 |
| Daily diary products consumption, N (%) | 93 (62) | 175 (47) | 0.002 |
| Individual goal in sport | |||
| Part of my healthy lifestyle | 7 (5) | 168 (45) | 0.001 |
| Losing or maintaining lower weight | 82 (54) | 89 (24) | 0.001 |
| Gaining weight or muscle mass | 13 (9) | 26 (7) | 0.581 |
| Improving my mood | 12 (8) | 38 (10) | 0.513 |
| Coping with stress | 5 (3) | 10 (3) | 0.773 |
| Moving towards professional sport career | 7 (5) | 10 (3) | 0.278 |
| Making new friends | 7 (5) | 2 (1) | 0.003 |