조절변수를 투입한 모형 4의 경우 결정 계수는 3.7%가 유의하게 증가하였으며, 전체 설명력은 27.4%로 조절 효과가 있는 것으로 나타났다.
In Model 4, in which the modulating variable was added, the coefficient of determination significantly increased by 3.7%, and the overall explanatory power was 27.4%, indicating that there was a moderating effect.