Questionnaire items

Answer

20 - 59 years (N = 492)

p-value

No.

Participants

Mean

95% CI

Making oneself gorge on a meal

everyday

171

13.2

(12.6 to 13.8)

-

5 - 6 times/week

240

12.8

(12.3 to 13.3)

0.99

3 - 4 times/week

69

13.3

(12.4 to 14.3)

0.99

≤2 times/week

12

11.1

(8.8 to 13.3)

0.47

Having ≥2 different staple foods

≥3 times/week

147

13.7

(13.1 to 14.4)

-

per meal

≤2 times/week

345

12.6

(12.2 to 13)

0.004

Having a 1-dish meal

≥3 times/week

315

13.3

(12.9 to 13.8)

-

≤2 times/week

177

12.3

(11.7 to 12.8)

0.004

Number of simmered dishes per day

≥4 servings

18

14.9

(13.0 to 16.7)

-

2 - 3 servings

142

12.9

(12.3 to 13.6)

0.34

1 serving

248

13.0

(12.5 to 13.5)

0.35

≤1 serving/2 days

84

12.4

(11.6 to 13.3)

0.11

Number of soups per day

≥3 servings

36

13.8

(12.5 to 15.1)

-

2 servings

163

13.1

(12.5 to 13.7)

0.99