Table 3 Number of cases and controls, adjusted odds ratios and 95% confidence intervals by age for body mass index

From: Non-Hodgkin's lymphoma, obesity and energy homeostasis polymorphisms

  

NHL b

DLBCL b

FL b

BMI a

Control

Case

OR c

95% CI

Case

OR c

95% CI

Case

OR c

95% CI

Total

914

699

  

317

  

228

  

 Underweight

14

5

0.5

0.2–1.5

2

0.5

0.1–2.0

0

0

 

 Normal

510

347

1

—

159

1

—

120

1

—

 Grade 1

298

247

1.2

1.0–1.5

99

1.1

0.8–1.4

80

1.2

0.9–1.6

 Grades 2 and 3

89

96

1.5

1.1–2.1

54

1.9

1.3–2.8

27

1.2

0.8–2.0

<45 years

202

107

  

60

  

29

  

 Underweight

4

1

0.5

0.1–5.0

1

1.1

0.1–11.0

0

  

 Normal

133

60

1

—

32

1

—

18

1

—

 Grade 1

51

26

1.2

0.6–2.1

15

1.2

0.6–2.4

6

1.1

0.4–3.1

 Grades 2 and 3

14

17

2.7

1.2–5.8

10

3.0

1.2–7.5

4

1.8

0.5–6.3

45 to <55 years

297

243

  

107

  

93

  

 Underweight

8

1

0.2

0.0–1.3

0

  

0

  

 Normal

174

127

1

—

58

1

—

49

1

—

 Grade 1

91

83

1.4

0.9–2.0

32

1.1

0.7–1.9

31

1.3

0.7–2.1

 Grades 2 and 3

24

31

1.8

1.0–3.3

16

2.0

1.0–4.1

13

1.9

0.9–4.0

55 to <65 years

415

349

  

150

  

106

  

 Underweight

2

3

1.9

0.3–11.3

1

1.5

0.1–16.6

0

  

 Normal

203

160

1

—

69

1

—

53

1

—

 Grade 1

156

138

1.1

0.8–1.6

52

1.0

0.6–1.5

43

1.2

0.7–1.8

 Grades 2 and 3

51

48

1.2

0.8–1.9

28

1.6

1.0–2.8

10

0.8

0.4–1.6

  1. aBody mass index (BMI) at 5 years prior to diagnosis/reference date where BMI categorised as underweight: <18.5 kg m−2; normal: 18.5–24.99 kg m−2; grade 1 overweight: 25–29.99 kg m-2; grades 2 and 3 overweight: ⩾30 kg m−2 (WHO Expert Committee on Physical Status, 1995). BMI was missing for four cases and three controls as weight was not reported.
  2. bNHL=non-Hodgkin's lymphoma; DLBCL=diffuse large B-cell lymphoma; FL=follicular lymphoma.
  3. cOdds ratios adjusted for age, sex and region estimated using unconditional logistic regression.
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