| Variable |
Non-OTC users (n,%) |
OTC for boosting the immune system (n,%) |
OTC for self-medication (n,%) |
p |
|---|---|---|---|---|
| Age | 51.1±18,37 | 51,65±17,34 | 49,78±16,13 | <0.05 |
| Sex | ||||
| Male | 5152 (79,4) | 698 (10,8) | 637 (9,8) | <0.001 |
| Female | 5057 (66,6) | 1472 (19,4) | 1066 (14) | |
| Education level | ||||
| Primary | 3141 (75,9) | 435 (10,5) | 561 (13,6) | <0.001 |
| Secondary | 5515 (72,1) | 1205 (15,8) | 929 (12,1) | |
| Tertiary education | 1553 (67,6) | 530 (23,1) | 213 (9,3) | |
| Well-being index | ||||
| Poor class | 2439 (77,3) | 266 (8,4) | 451 (14,3) | <0.001 |
| Middle class | 6076 (71,8) | 1345 (15,9) | 1044 (12,3) | |
| Rich class | 1694 (68,8) | 559 (22,7) | 208 (8,5) | |
| Region | ||||
| Vojvodina | 2498 (72,9) | 532 (15,5) | 395 (11,5) | <0.001 |
| Belgrade | 2046 (68,1) | 627 (20,9) | 331 (11) | |
| Sumadija and West Serbia | 3299 (77,6) | 405 (9,5) | 547 (12,9) | |
| South and East Serbia | 2366 (69,5) | 606 (17,8) | 430 (12,6) | |
| Place of residence | ||||
| Urban | 5592 (70,4) | 1517 (19,1) | 833 (10,5) | <0.001 |
| Other | 4617 (75,2) | 653 (10,6) | 870 (14,2) | |
| Self-perceived health | ||||
| Very good | 2048 (82,2) | 260 (10,4) | 183 (7,3) | <0.001 |
| Good | 3538 (72,2) | 720 (14,7) | 639 (13) | |
| Fair | 2773 (67,3) | 751 (18,2) | 599 (14,5) | |
| Bad | 1455 (71,4) | 346 (17) | 237 (11,6) | |
| Very bad | 390 (75) | 89 (17,1) | 41 (7,9) | |
| Chronic disease status | ||||
| Yes | 4315 (68,8) | 1180 (18,8) | 779 (12,4) | <0.001 |
| No | 5871 (75,5) | 987 (12,7) | 915 (11,8) | |
| Visit a specialist | ||||
| In the past 12 months | 3950 (67,6) | 1224 (20,9) | 672 (11,5) | <0.001 |
| Before 12 months and more | 4758 (74,6) | 800 (12,5) | 820 (12,9) | |
| Never | 1247 (80,8) | 118 (7,6) | 178 (11,5) | |
| Sick leave | ||||
| Yes | 391 (59,3) | 160 (24,3) | 108 (16,4) | <0.001 |
| No | 2813 (73,6) | 557 (14,6) | 454 (11,9) |