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Table 1 Characteristics of the study population

From: Obesity as risk factor for subtypes of breast cancer: results from a prospective cohort study

N 27,012
Age at recruitmenta 48.4 (41.2, 57.0)
Anthropometric parametersa
 BMI (kg/m2) 24.7 (22.3, 28.0)
 Height (cm) 163.2 (159.0, 167.5)
Menopausal Status
 Pre- and perimenopausal (%) 59.2
 Postmenopausal (%) 40.8
Hormone therapy (%)b
 User at baseline (%) 46.0
 Non-user at baseline (%) 54.0
 Number of full-term pregnanciesc 1.7 (0, 8)
Smoking Status
 Never smokers (%) 55.7
 Former smokers (%) 25.6
 Current smokers (%) 18.7
Education Level
 University Degree (%) 34.4
 No University Degree (%) 65.6
  1. aMedian values (p25, 75) are shown for continuous variables
  2. bPostmenopausal women only
  3. cMean value (Minimum, Maximum)