Table 3 Comparison of distribution of pre-formed water estimated by the prediction equation and dietary record according to a sex and age-stratified model

Men

15–19 years

559

2735

(2712 to 2758)

1648

(N/A)

-1087

(-1111 to -1064)

-39.7

(-40.3 to -39.2)

20–29 years

710

2654

(2628 to 2679)

1620

(N/A)

-1034

(-1059 to -1008)

-38.9

(-39.5 to -38.4)

30–39 years

1207

2718

(2709 to 2726)

1687

(N/A)

-1031

(-1040 to -1022)

-37.9

(-38.1 to -37.7)

40–49 years

1581

2742

(2734 to 2748)

1775

(N/A)

-967

(-974 to -960)

-35.3

(-35.4 to -35.1)

50–59 years

1486

2699

(2677 to 2720)

1867

(N/A)

-833

(-854 to -811)

-30.8

(-31.4 to -30.3)

60–69 years

2307

2597

(2565 to 2628)

1945

(N/A)

-652

(-684 to -621)

-25.1

(-26.0 to -24.2)

≥ 70 years　　　

2696

2318

(2275 to 2360)

1802

(N/A)

-516

(-559 to -474)

-22.2

(-23.7 to -20.8)

p for trend ^c

< 0.001

< 0.001

Women

15–19 years

491

2228

(2193 to 2262)

1299

(N/A)

-929

(-963 to -894)

-41.7

(-42.6 to -40.8)

20–29 years

779

2206

(2179 to 2233)

1312

(N/A)

-894

(-921 to -866)

-40.5

(-41.2 to -39.8)

30–39 years

1350

2339

(2328 to 2351)

1443

(N/A)

-896

(-908 to -884)

-38.3

(-38.6 to -38.0)

40–49 years

1819

2339

(2335 to 2343)

1494

(N/A)

-845

(-849 to -841)

-36.1

(-36.3 to -36.0)

50–59 years

1777

2345

(2327 to 2363)

1620

(N/A)

-725

(-742 to -707)

-30.9

(-31.4 to -30.4)

60–69 years

2641

2294

(2272 to 2316)

1680

(N/A)

-615

(-637 to -592)

-26.8

(-27.5 to -26.1)

≥ 70 years　　　

3498

2088

(2058 to 2117)

1564

(N/A)

-524

(-554 to -494)

-25.1

(-26.1 to -24.0)

p for trend ^c

< 0.001

< 0.001