표 1. | Table 1. 곡선추정분석 결과 | Statistical results associated with curve estimation

Equation	Adjusted R2	F-value	df1	df2	p-value
Linear	.635	7,442.455	1	4,282	<.001
Quadratic	.660	4,160.405	2	4,281	<.001
Cubic	.660	2,774.100	3	4,280	<.001
S	.707	10,308.126	1	4,282	<.001