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Table 1 Baseline characteristics of study sample

From: Birth cohort, sex and educational disparities in the trajectories of body mass index in Taiwan: a longitudinal study

Characteristics Men (n = 273,879) Women (n = 298,479)
Age (year), mean ± SD 40.11 ± 13.35 40.09 ± 13.48
Birth cohort (%)
  Before 1920 0.30 0.22
  1920–1929 2.62 1.94
  1930–1939 6.43 6.56
  1940–1949 9.52 11.68
  1950–1959 15.23 16.28
  1960–1969 25.58 22.65
  1970–1979 28.50 27.73
  1980–1989 10.85 11.87
  After 1990 0.97 1.07
Education (%)
  Some elementary school 1.02 5.89
  Elementary school 9.09 14.22
  Junior high school 6.30 6.62
  Senior high school 20.38 22.26
  College 20.32 18.40
  University 28.09 25.65
  Graduate school or higher 14.80 6.97
Height (cm), mean ± SD 169.96 ± 6.49 157.50 ± 5.88
Weight (kg), mean ± SD 69.56 ± 11.39 54.96 ± 9.08
Body mass index (kg/m2), mean ± SD 24.05 ± 3.47 22.19 ± 3.66
  1. SD standard deviation