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Table 1 Descriptive characteristics of the study sample

From: Eating behavior and body composition across childhood: a prospective cohort study

Sample characteristics Total n No. (%), mean (SD) or median (IQR)1
Age at 10 years visit, mean (SD) 3331 9.8 (0.3)
Sex, No. % boys 3331 1622 (48.7)
Child ethnicity, No. % 3324  
 Dutch   2377 (71.5)
 Other Western   307 (9.2)
 Non-Western   640 (19.2)
Birth weight in grams, mean (SD) 3329 3447.7 (566.4)
Birth weight for gestational age, mean (SD) 3317 −0.01 (1.01)
BMI at age 4 years, mean (SD) 2195 15.8 (1.3)
BMI at age 10 years, mean (SD) 3331 17.2 (2.4)
Maternal education level, No. % 3213  
 Low (no education - high school)   332 (10.3)
 Medium (Lower vocational education)   885 (27.5)
 High (Higher vocational education and university)   1996 (62.1)
Maternal BMI, median (IQR) 3142 23.9 (5.1)
Maternal anxiety symptoms, median (IQR)2 3040 0.00 (0.17)
Household income, No. % 3037  
 Low (< 1600 euro per month)   268 (8.8)
 Medium (1600–4000 euro per month)   1470 (48.4)
 High (> 4000 euro per month)   1299 (42.8)
  1. 1Values are percentages for categorical variables, means (standard deviations) for continuous normally distributed variables and medians (interquartile ranges) for continuous, non-normally distributed variables and all values are based on original data. 2 Maternal psychopathology symptoms were assessed with the Brief Symptom Inventory
  2. Abbreviations: BMI Body mass index, IQR Inter quartile range, SD Standard deviation