Table 3.

Statistical analysis results

Regression Analysis			Sensitivity Analysis
Group	Slope	P Value b	Group	Slope	P Value b
Intercept	8.2	.043	Intercept	4.3	.096
High vs Low	10.3	.235	High vs Low	13.8	.017a
Moderate vs Low	15.6	.133	Moderate vs Low	10.3	.193
Moderate vs High	5.3	.737	Moderate vs High	−3.5	.768

^aStatistically significant.

^bTukey adjusted.