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Table 1 Baseline Characteristics for the total cohort at birth (n ≥ 14 244) and baseline data at birth for the cohort still participating at the five-year follow up (n ≥ 5 999) compared to the data for that group (≥ 5 999) at this follow-up.

From: Exclusive breastfeeding of Swedish children and its possible influence on the development of obesity: a prospective cohort study

  Baseline (n ≥ 14 244) Baseline (n ≥ 5 999) 5 years (n ≥ 5 999)
Boys/girls, % 48.2/51.8 48.1/51.9 48.1/51.9
Overweight/obese, boys % - - 11.3/3.6
Overweight/obese, girls % - - 14.6/4.8
BMI mother, mean (sd) 23.8 (3.9)* 23.7 (3.9)* 24.1 (4.0)
BMI father, mean (sd) 25.0 (3.0)* 25.0 (2.9)* 25.6 (3.1)
Maternal age, mean (sd) 29.6 (4.6) 29.9 (4.5)  
Paternal age, mean (sd) 32.1 (5.5) 32.3 (5.4)  
University degree, mother % 31.7 34.5 39.4
University degree, father % 24.6 25.3 26.6
Smoking, mother % 11.1 7.8 10.7
Smoking, father % - - 9.3
Single parent % 2.1 1.2 6.6
Fathers born abroad % 7.2 5.2  
Mothers born abroad % 6.6 5.3  
Exclusive breastfeeding, median† 4.0 4.0  
  1. 5 999 is the minimum number of participants who answered the questions.
  2. †Median duration in months
  3. *Information collected at 1-year examination.
  4. BMI = Body Mass Index
  5. sd = Standard deviation