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. 2011 May 13;11:309. doi: 10.1186/1471-2458-11-309

Table 2.

Weight status of women with breast cancer

Weight information Total Mean (95% CI)
Weight a year preceding breast cancer diagnosis (kg) 59.36 (58.17-60.55)
Weight at time of diagnosis (kg) 58.36 (57.51-59.95)
Weight at study entry (kg) 62.09 (60.75-63.43)
Height (m) 1.55 (1.54-1.55)
Waist circumference at study entry (cm)b 84.81 (83.62-85.99)
 Increased risk (≥80) 94 (25.5)
 Substantial risk (≥88) 148 (40.2)
BMI a year preceding breast cancer diagnosis (kg/m2)a 24.82 (24.35-25.29)
 Underweight (<18.5) 21 (5.7)
 Normal (18.5-24.9) 181 (49.2)
 Overweight (25.0-29.9) 122 (33.2)
 Obese (≥30.0) 44 (12.0)
BMI at study entry (kg/m2)a 25.93 (25.41-26.45)
 Underweight (<18.5) 20 (5.4)
 Normal (18.5-24.9) 151 (41.0)
 Overweight (25.0-29.9) 38 (37.5)
 Obese (≥30.0) 59 (16.0)
Weight change from a year preceding diagnosis to study entry (kg) 2.73 (1.90-3.55)
 >10 kg weight loss 15 (4.1)
 5-10 kg weight loss 39 (10.6)
 0-<5 kg weight loss 83 (22.6)
 0-<5 kg weight gain 105 (28.5)
 5-10 kg weight gain 71 (19.3)
 >10 kg weight gain 55 (14.9)
Percentage of weight change from a year preceding diagnosis to study entry (%) 5.17 (3.72-6.61)
 > 10% weight loss 40 (10.9)
 5-10% weight loss 41 (11.1)
 0-<5% weight loss 54 (14.7)
 0-<5% weight gain 57 (15.5)
 5-10% weight gain 66 (17.9)
 > 10% weight gain 110 (29.9)

a World Health Organization, (1998)

b Increased risk of metabolic complications associated with obesity

c Substantial risk of metabolic complications associated with obesity