Table 2.

Summary of Regression Analysis for Variables Predicting Gross Motor Quotient (GMQ) Difference Score

				Confidence Interval (95%)
Variable	β	t	Probability	Lower Bound	Upper Bound
Ethnicity	0.021	0.34	.73	−1.14	1.62
Geographic location	0.123	1.26	.21	−1.34	6.06
School day length	−0.011	−0.11	.91	−4.11	3.66
Age	−0.260	−4.42	<.0005	−0.55	−0.21
Pretest BMI standard score	−0.147	−2.49	.014	−2.46	−0.29
Gender	−0.035	−0.55	.58	−3.08	1.74
Pretest locomotor standard score	−0.073	−1.08	.28	−1.21	0.35
Pretest stability standard score	−0.289	−4.47	<.0005	−1.86	−0.72
Pretest object manipulation standard score	−0.272	−4.25	<.0005	−2.27	−0.83
Treatment vs. no treatment	0.342	5.28	<.0005	4.12	9.03

Note. BMI = body mass index. Significant predictors of the GMQ difference score are in bold type. GMQ difference score = posttest GMQ score minus pretest GMQ score.