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Table 1 Sample characteristics (n = 91)

From: Relative validity of a semi-quantitative food frequency questionnaire for Singaporean toddlers aged 15–36 months

 

Median (P25, P75)

n (%)

Child

 Age (months)

20.0 (16.0, 28.0)

 

 Current height (cm)‡

83.0 (78.0, 88.0)

 

 Current weight (kg)

11.5 (10.0, 13.0)

 

 Child BMI (kg/m2)

16.5 (15.5, 18.2)

 

 Weight for age Z-score (WAZ)

−0.100 (−0.760, 0.770)

 

 Weight for height Z-score (WHZ)a

0.49 (−0.24, 1.42)

 

 Height for age Z-score (HAZ)a

−0.78 (−1.55, 0.43)

 

 BMI for age Z-score BAZa

0.40 (−0.34, 1.55)

 

 Child birthweight (g)b

3066 (2793, 3444)

 

 Child birth length (cm)b

50.0 (48.0, 52.0)

 

 Males

 

50 (54.9)

 Females

 

41 (45.1)

 Chinese

 

63 (69.2)

 Malay

 

16 (17.6)

 Indian

 

12 (13.2)

Parent

 Mother BMI (kg/m2)

22.9 (20.2, 25.7)

 

 Father BMI (kg/m2)

25.4 (23.8, 28.1)

 

Parental Education Level (father, mother)

 O levelsc

 

8 (8.8), 7 (7.7)

 A Level/Junior Colleged

 

3 (3.3), 3 (3.3)

 Polytechnic

 

20 (22.0), 17 (18.7)

 Bachelor’s degree

 

44 (48.4), 52 (57.1)

 Postgraduate

 

15 (16.5), 11 (12.1)

 Other

 

1 (1.1), 1 (1.1)

Total monthly household income in SGD (%)

  < $7000

 

35 (38.5)

 $7000–$15,000

 

48 (52.7)

  > $15,000

 

8 (8.8)

  1. P25, 25th percentile; P75, 75th percentile; WAZ, weight-for-age z-score; WHZ, weight-for-height z-score; HAZ, height-for-age z-score; BAZ, BMI-for-age z-score
  2. an = 89
  3. bn = 88
  4. cGeneral Certificate of Education Ordinary Level; signifies successful completion of secondary school
  5. dGeneral Certificate of Education Advanced Level, signifies main school leaving qualification and eligibility to apply for university entry