Table 1.

The use of dietary and other supplements during college in performance enhancing substance (PES) users and non-users

	PES non-user	PES user	Chi square value
Amino acids	34.1%	57.3%	64.56*
Chromium	2.1%	12.6%	109.87*
Creatine	52.3%	74.5%	54.39*
Glucosamine	19.2%	36.5%	51.09*
Multivitamin with caffeine	11.4%	29.6%	83.34*
Diuretics	1.9%	11.9%	126.13*
Energy boosters	22.8%	56.3%	178.62*
Weight loss	7.6%	28.3%	162.17*
Protein products	76.0%	79.5%	2.00
Weight gain	26.0%	49.7%	82.24*
Sleep aid (e.g., Ambien)	10.8%	21.8%	35.02*

^*df = 1, p <.001.