Having salt-cured fish eggs per day	≥1 time	105	12.0	(11.4 to 12.6)	-
Having salt-cured fish eggs per day	≤1 serving/2 days	281	11.1	(10.8 to 11.5)	0.023
Having salty snacks per day	≥2 times	29	11.6	(10.4 to 12.8)	-
	1 time	187	11.6	(11.1 to 12.1)	0.99
	≤1/2 days	170	11.1	(10.6 to 11.6)	0.99
Quantity of soup consumed when eating noodles	≥1/3	301	11.6	(11.2 to 11.9)	-
Quantity of soup consumed when eating noodles	Very little	85	10.7	(10 to 11.4)	0.038
Addition of seasoning to cooked dishes	Yes	193	11.8	(11.3 to 12.3)	-
Addition of seasoning to cooked dishes	No	193	11.0	(10.5 to 11.4)	0.014
Preference for strong-tasting meals	Yes	119	11.9	(11.4 to 12.5)	-
Preference for strong-tasting meals	No	267	11.1	(10.7 to 11.5)	0.021
Frequency of using delicatessen food	≥2 times/week	105	11.6	(11.0 to 12.2)
Frequency of using delicatessen food	≤1 time/week	281	11.3	(10.9 to 11.7)	0.424
Frequency of eating out	≥2 times/week	80	11.7	(11.0 to 12.5)	-
	≤1 time/week	306	11.3	(10.9 to 11.6)	0.29
Whether trying to reduce salt intake	Trying actively	58	10.5	(9.6 to 11.3)	-
Whether trying to reduce salt intake	Trying a little	179	11.3	(10.9 to 11.8)	0.44
	Not trying much	109	11.9	(11.2 to 12.5)	0.05
	Not trying at all	40	11.6	(10.5 to 12.6)	0.63
Use of dashi flavor, broth, or stock and the natural taste of food	Trying actively	79	10.8	(10.0 to 11.5)	-
	Trying a little	149	11.3	(10.8 to 11.8)	0.99
	Not trying much	117	11.9	(11.3 to 12.5)	0.11
	Not trying at all	41	11.2	(10.3 to 12.2)	0.99
Whether trying to have a meal consisting of a staple food, main dish, and side dishes	Trying actively	94	11.4	(10.7 to 12.1)	-
	Trying a little	117	11.2	(10.6 to 11.8)	0.99
	Not trying much	140	11.4	(10.9 to 12.0)	0.99
	Not trying at all	35	11.5	(10.5 to 12.6)	0.99
Frequency of alcohol consumption	Daily	50	12.2	(11.3 to 13.2)	-
Frequency of alcohol consumption	Occasionally	104	11.3	(10.7 to 11.9)	0.28
	≤1 serving/2 days	232	11.2	(10.8 to 11.6)	0.14