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Table 1 Characteristics of the study participants

From: Identification of the 12q24 locus associated with fish intake frequency by genome-wide meta-analysis in Japanese populations

 

Hokkaido

Tohoku

Kanto-Koshinetsu

Tokai-Hokuriku

Kinki

Chugoku-Shikoku

Kyushu

Okinawa

P

N

480

829

4959

1544

2110

1042

1165

118

Female, %

51.7

46.9

45.1

46.9

47.6

47.2

50.0

45.8

0.03

Age, year (mean ± SD)

51.6 ± 13.2

50.7 ± 12.8

49.6 ± 13.0

50.4 ± 13.0

50.5 ± 13.5

51.1 ± 13.3

50.7 ± 13.4

48.9 ± 12.3

< 0.001

BMI, kg/m2 (mean ± SD)

23.3 ± 3.6

23.3 ± 3.9

23.1 ± 3.8

22.9 ± 3.6

22.9 ± 3.6

23.1 ± 3.7

23.1 ± 3.7

23.9 ± 4.0

0.001

Fish intake frequency, per week (mean ± SD)

2.3 ± 2.0

2.4 ± 1.9

2.1 ± 1.9

2.2 ± 1.9

2.1 ± 1.7

2.1 ± 1.8

2.0 ± 1.8

1.9 ± 1.6

0.003

Current alcohol drinkers, %

60.1

63.7

64.3

56.2

60.7

58.3

60.5

70.3

< 0.001

Current alcohol consumption, g/day (mean ± SD)*

12.5 ± 14.5

11.8 ± 13.3

12.2 ± 14.3

10.5 ± 12.1

10.6 ± 12.2

10.4 ± 11.7

11.9 ± 14.1

14.0 ± 16.3

< 0.001

Inflation factor

1.015

0.999

0.993

1.020

1.005

1.018

1.001

1.009

  1. BMI body mass index, SD standard deviation
  2. P values were calculated using χ2 test for sex and current alcohol drinkers or ANOVA for other variables
  3. *Among current drinkers