Table 3.

Association between fatty acid patterns and oral cancer risk.

Model#	Quartiles of the fatty acid pattern score*				Ptrend
	I	II	III	IV
“SFA” pattern
Case/control (n)	138/86	139/84	99/125	72/151
Crude	1.0 (reference)	0.97 (0.66, 1.42)	2.06 (1.39, 2.95)	3.36 (2.28, 4.96)	<0.001
Model 1	1.0 (reference)	0.93 (0.60, 1.43)	2.24 (1.46, 3.44)	3.00 (1.93, 4.68)	<0.001
Model 2	1.0 (reference)	1.07 (0.68–1.68)	2.56 (1.62, 4.02)	3.71 (2.31, 5.94)	<0.001
“PUFA” pattern
Case/control (n)	116/107	137/87	111/113	84/139
Crude	1.0 (reference)	0.68 (0.47, 1.00)	1.10 (0.76, 1.59)	1.79 (1.23.2.62)	<0.001
Model 1	1.0 (reference)	0.58 (0.38, 0.89)	0.99 (0.65, 1.15)	1.59 (1.04, 2.44)	0.006
Model 2	1.0 (reference)	0.55 (0.35, 0.85)	0.92 (0.59, 1.42)	1.38 (0.88, 2.16)	0.038
“MUFA” pattern
Case/control (n)	101/123	125/98	119/105	103/120
Crude	1.0 (reference)	0.64 (0.44, 0.94)	0.73 (0.50, 1.05)	0.96 (0.66, 1.39)	0.980
Model 1	1.0 (reference)	0.67 (0.44, 1.03)	0.75 (0.49, 1.14)	1.03 (0.67, 1.56)	0.762
Model 2	1.0 (reference)	0.68 (0.44, 1.06)	0.78 (0.50, 1.20)	1.15 (0.74, 1.78)	0.441
“MLC-FA” pattern
Case/control (n)	111/113	117/106	123/101	97/126
Crude	1.0 (reference)	0.89 (0.61, 1.29)	0.81 (0.56, 1.17)	1.28 (0.88, 1.85)	0.290
Model 1	1.0 (reference)	0.69 (0.45, 1.05)	0.69 (0.45, 1.06)	0.99 (0.65, 1.52)	0.993
Model 2	1.0 (reference)	0.72 (0.46, 1.12)	0.69 (0.45, 1.08)	1.02 (0.66, 1.58)	0.928

^*Four categories were obtained by quartiles of the fatty acid pattern scores. Each participant was assigned a fatty acid pattern score for each pattern.

^#Mode l adjusted for demographic characteristics including sex, age, marital status, residence, BMI, family history of tumor, occupation, education.

Model 2 adjusted for demographic characteristics and tobacco smoking, drinking, oral hygiene score.