Table 1 Descriptive characteristics of the subjects included in the validity and reproducibility study

Sex (% women)

37.8

35.3

Age (years)

67.4 (10.1)

65.3 (11.8)

BMI (kg/m²)

28.0 (5.6)

28.1 (5.5)

CKD stage

Stage 3

58.3

56.2

Stage 4

41.7

43.8

GFR (ml/min/1.73m²)^a

30.9 (10.7)

31.6 (11.8)

With diabetes (%)

37.8

39.3

HbA1C (%)^a

6.3 (1.1)

6.3 (1.1)

Glycaemia (mmol/l)^a

6.0 (1.7)

6.1 (1.7)

Area of residence

Western North

3.9

6.5

Eastern North

37.8

31.3

Western South

38.6

35.3

Eastern South

10.2

12.9

Paris and suburbs

9.4

13.9

Distribution of 24-h recall days

Weekday

4.3 (0.5)

Weekend

1.7 (0.5)

Autumn/winter

2.8 (0.6)

Spring/summer

3.2 (0.6)