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Table 1 Descriptive statistics of the participants that signed up to the reproducibility and validation study (n = 29)

From: Reproducibility and relative validity of a newly developed web-based food-frequency questionnaire for assessment of preconception diet

 

Study population

Women

Men

Number of participants, n (%)

29 (100)

21 (72)

8 (28)

Median age, y

23 (22, 27)

24 (22, 28)

23 (22, 24)

Median height, cm

170 (164, 178)

167 (161, 170)

183 (178, 193)

Median weight, kg

68 (64, 80)

66 (62, 70)

87 (68, 100)

Median BMI, kg/m2

24.1 (21.7, 25.8)

24.1 (21.5, 25.5)

24.6 (22.0, 26.1)

Education, n (%)

- High School

6 (21)

5 (24)

1 (12)

- Vocational education

3 (10)

3 (14)

0 (0)

- University/college up to 4 years

11 (38)

5 (24)

6 (75)

- University/college more than 4 years

9 (31)

8 (38)

1 (12)

  1. Presented as frequency (percentage) and median (inter quartile range reported as the 25th percentile, 75th percentile). BMI Body mass index