Table 4.

Baseline Model of Primary Measures using Mixed Effects Linear Model

Measure		FAB	Waitlist Control	βdiff	p
EDE-Q Weight Concern		1.37 (1.32)	1.61 (1.36)	−.18(.13)	.151
EDE-Q Eating Concern		0.59 (0.82)	0.68 (0.92)	−.03(.08)	.731
EDE-Q Shape Concern		1.73 (1.34)	1.98 (1.36)	−.15(.14)	.280
EDE-Q Restraint		1.32 (1.30)	1.38 (1.32)	02 (.11)	.855.
EDE-Q Total Score		1.25 (1.05)	1.41 (1.12)	−.08(.11)	.440
IBSS-R Short		3.57 (0.68)	3.70 (0.64)	−.09(.07)	.200
Internalization of Sport Thin Ideal		2.59 (0.59)	2.81 (0.64)	−.22(.11)	.053
PANAS-X Average		1.64 (0.64)	1.70 (0.64)	−.06(.06)	.331
HSUS Previous Month
# Physical Absence		1.22 (2.33)	1.00 (1.59)	.09(.15)	.564
				−.30(.30)	.319
#Mental Absence		0.52 (1.84)	0.28 (0.95)	.08(.26)	.758
				−.60(.42)	.150
#Weight Absence		0.18 (1.24)	0.18 (0.75)	−.07(.41)	.861
				.28(.59)	.642
#Eating Disorders Absence		0.17 (1.49)	0.07 (0.59)	−.83(.38)	.027
				−1.26(1.01)	.213
#Other Absence		0.32 (1.02)	0.33 (1.02)	.01(.20)	.983
				.13(.37)	.725
HSUS Previous Year
#Physical Absence		3.50 (3.89)	3.18 (3.11)	08(.10)	.430
				−.21(.36)	.572
#Mental Absence		1.07 (2.79)	0.63 (1.85)	.19(.19)	.312
				−.58(.31)	.062
#Weight Absence		0.44 (1.54)	0.30 (1.13)	.86(.38)*	.023
				.10(.53)	.856
#Eating Disorders Absence		0.32 left	0.14 (0.94)	.36(.59)	.539
				−.71(.59)	.229
#Other Absence		0.85 (1.91)	0.56 (1.52)	.19(.18)	.281
				−.27(.32)	.410
Perceived Credibility & Expectancy		28.69 (9.06)	25.47 (8.81)	2.97(1.61)	.065
Knowledge of Triad		8.29 (1.58)	8.29 (1.45)	.25(.16)	.111

Note. p value set to ≤ .05. All β adjusted for BMI, Age, Race, Ethnicity, and cluster level for team. Count variables estimated using Zero Inflated Poisson Regression. Logit scale used for absence.