. Author manuscript; available in PMC: 2015 Aug 1.

Published in final edited form as: J Pediatr Gastroenterol Nutr. 2014 Aug;59(2):244–253. doi: 10.1097/MPG.0000000000000366

TABLE 3.

Estimated marginal means, change scores (95% confidence intervals), and ANCOVAs for yoga and waitlist adolescents

	Yoga		Waitlist

	EMM	Change (95% CI)	EMM	Change (95% CI)	F(1,27)	P	Effect size (η²_p)
Abdominal Pain NRS	4.42	−0.62 (−1.28 to 0.04)	5.19	−0.15 (−1.01 to 0.71)	2.27	0.15	0.087
CSI-Gastrointestinal scale	10.36	0.00 (−1.48 to 1.48)	9.88	−0.69 (−2.44 to 1.05)	0.15	0.70	0.005
BSI-18 Global Severity	16.64	−2.18 (−7.27 to 2.92)	16.01	−1.85 (−7.67 to 3.98)	0.04	0.85	0.001
FDI	17.52	0.83 (−2.53 to 4.19)	15.21	−1.62 (−5.57 to 2.34)	0.79	0.38	0.028
SF-36 Physical Functioning	74.69	6.67 (2.87 to 10.47)	67.35	0.00 (−4.47 to 4.47)	9.46	0.01	0.252
PSQI Sleep Quality	1.34	0.06 (−0.37 to 0.48)	1.54	0.00 (−0.51 to 0.51)	0.46	0.50	0.016
FACIT: Fatigue	28.95	2.44 (−1.28 to 6.17)	25.15	−0.54 (−4.92 to 3.85)	1.94	0.18	0.065

ANCOVA = analysis of covariance; η²_p = Partial Eta-Squared (group); BSI-18 = Brief Symptom Inventory, 18-item version; CI = confidence interval; CSI = Children’s Somatization Inventory; EMM = estimated marginal mean; FACIT = Functional Assessment of Chronic Illness Therapy; FDI = Functional Disability Inventory; NRS = Numeric Rating Scale; PSQI = Pittsburgh Sleep Quality Index.