Relationships between body image, nutritional supplement use, and attitudes towards doping in sport among adolescent boys: implications for prevention programs

Table 4 Relationship between doping attitudes [PEAS scores], weight change, weightlifting, and nutritional product use in the past two weeks

	Yes	No	ANCOVA^a	Effect size
	Mean [ SD]	Mean [ SD]		ηp²
Current weight gain	42.95 [15.38]	37.67 [13.93]	F(1,669) = 11.82**	.02
Energy drinks	41.09 [16.03]	37.36 [13.19]	F(1,672) = 9.81**	.01
Vitamins and minerals	40.46 [15.21]	37.47 [13.54]	F(1,672) = 6.87**	.01
Current weight loss	40.81 [13.16]	37.69 [14.41]	F(1,667) = 5.93*	.009
Sports drinks	39.50 [13.86]	37.48 [14.41]	F(1,672) = 3.42	.005
Protein powder	40.33 [15.51]	37.94 [13.75]	F(1,672) = 3.19	.005
Weightlifting	41.09 [17.90]	38.17 [14.76]	F(1,673) = 2.49	.004