Table 4:
The sources which prompted participants to take memory supplements
| Antioxidant | Vitaminb12/ Folicacid |
NT Enhancer | Multi-ingredient | Ginkgo | Omega 3 | Vitamin E | Other | |
|---|---|---|---|---|---|---|---|---|
| N | 169 | 343 | 37 | 22 | 58 | 564 | 289 | 34 |
| column % | ||||||||
| Physician | 20.7 | 19.5 | 16.2 | 9.1 | 10.3 | 18.1 | 14.5 | 20.6 |
| Friend/relative | 10.7 | 9.3 | 21.6 | 36.4 | 20.7 | 14.9 | 13.5 | 11.8 |
| Decided on own | 30.8 | 22.2 | 21.6 | 27.3 | 12.1 | 36.2 | 35.6 | 35.3 |
| TV/magazine | 15.4 | 8.2 | 21.6 | 22.7 | 22.4 | 12.1 | 18.0 | 20.6 |
| Others | 9.5 | 3.5 | 10.8 | 0 | 20.7 | 4.8 | 4.2 | 8.8 |
| Missing | 13.0 | 37.3 | 8.1 | 9.1 | 13.8 | 14.0 | 14.2 | 2.9 |
Abbreviations: NT, Neurotransmitter