Table 4.

The prevalence of vitamin supplement usage and reasons for non-usage.

	n	%
I currently use it.	3160	21.4
I used to use it, but not now.	3178	21.6
I have never used it.	8403	57.0
Reasons for not using (n = 8403)
I feel that I can get enough with my usual diet.	3129	27.0
No vitamin supplements that I want to consume.	1002	8.7
I use other products such as fortified foods.	483	4.2
It is expensive to buy.	3271	28.2
I do not want to spend money on supplements.	4430	38.3
I have bought it but it did not suit my health.	1084	9.4
Others	659	5.7