Table 3.

Coefficients from the Forward Selection Method of Multiple Linear Regression Analysis Models for Factors Predicting the Quality of Life and Functional Status at Three Different Time Points: Before the Surgery, One Month After the Surgery, and Three Months After the Surgery

Questionnaire	Predicting Factor	Before Surgery		One Month After the Surgery		Three Months After the Surgery
		Unstandardized Beta Coefficients (95.0% Confidence Interval)	p-value	Unstandardized Beta Coefficients (95.0% Confidence Interval)	p-value	Unstandardized Beta Coefficients (95.0% Confidence Interval)	p-value
MDADI	Denture use	NS	NS	−14.001 (−18.594, −9.409)	0.000	NS	NS
	Age	NS	NS	4.306 (0.792, 7.820)	0.017	NS	NS
	Drinking habit	NS	NS	NS	NS	0.346 (0.049, 0.644)	0.023
	Diet	NS	NS	NS	NS	1.026 (0.075, 1.977)	0.035
EAT-10	Occupation	−1.149 (−1.846, −0.452)	0.001	NS	NS	NS	NS
	Denture use	2.063 (0.577, 3.549)	0.007	−3.642 (−5.068, −2.216)	0.000	NS	NS
	Illness duration	NS	NS	NS	NS	0.300 (0.092, 0.509)	0.005
FACT-H&N	Denture use	−5.129 (−6.180, −4.078)	0.000	−4.924 (−7.611, −2.237)	0.000	NS	NS
	Betel nut consumption	0.740 (0.313, 1.167)	0.001	NS	NS	NS	NS
	Age	1.016 (0.208, 1.823)	0.014	NS	NS	NS	NS
	Diet	NS	NS	6.812, (1.879, 11.745)	0.007	NS	NS

Note: Values in bold are statistically significant.

Abbreviation: NS, not significant.