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Table 1 Subject characteristics for the two periods of assessment, 1993–7 and 2004–8

From: Morbid obesity in women on the rise: an observational, population-based study

  1993-7 2004-8
  n = 1,494 n = 1,076
Age (years); median (interquartile range) 54.2 (37.4-71.6) 51.1 (34.7-65.9)
BMI categories*; n (%)   
morbid (class III) obesity 34 (2.3%) 44 (4.1%)
class II obesity 75 (5.0%) 81 (7.5%)
class I obesity 227 (15.2%) 191 (17.8%)
overweight 494 (33.1%) 333 (31.0%)
normal weight 635 (42.5%) 412 (38.3%)
underweight 29 (1.9%) 15 (1.4%)
  1. *BMI (kg/m2) for morbid (class III) obesity ≥40.0, class II obesity 35.0-39.9, class I obesity 30.0-34.9, overweight 25.0-29.9, normal weight 18.5-24.9, underweight <18.5.