Table 3 Hazard ratios (HRs) and 95% confidence intervals (95% CIs) for all-cause mortality, according to Body Mass Index.

From: Body Mass Index and Mortality: A 10-Year Prospective Study in China

Variables

Body Mass Index

<15.0

15.0–17.4

17.5–19.9

20.0–22.4

22.5–24.9

25.0–27.4

27.5–29.9

30.0–32.4

32.5–34.9

≥35.0

All subjects

210

3384

37326

140462

131610

43693

12257

3082

588

181

 No. of deaths

40

297

1885

4968

4073

1151

332

74

15

8

 Age and sex adjusted HR (95% CI)

1.73 (1.26–2.36)

1.11 (0.99–1.25)

1.05 (0.99–1.11)

1.06 (1.01–1.10)

1.00

0.73 (0.68–0.78)

0.66 (0.59–0.74)

0.56 (0.44–0.70)

0.46 (0.28–0.76)

0.99 (0.49–1.97)

 Multivariate HRa (95% CI)

1.61 (1.17–2.23)

1.07 (0.94–1.20)

1.04 (0.98–1.10)

1.06 (1.02–1.11)

1.00

0.73 (0.68–0.78)

0.66 (0.58–0.74)

0.53 (0.42–0.68)

0.48 (0.29–0.80)

0.77 (0.35–1.71)

All men

 No. of deaths

16

157

945

2693

2194

514

133

23

3

0

 Multivariate HRb (95% CI)

2.01 (1.23–3.29)

1.28 (1.08–1.51)

1.11 (1.02–1.20)

1.07 (1.01–1.14)

1.00

0.68 (0.61–0.75)

0.59 (0.49–0.71)

0.46 (0.30–0.71)

0.45 (0.15–1.42)

-

All women

 No. of deaths

24

140

940

2275

1879

637

199

51

12

8

 Multivariate HRb (95% CI)

1.38 (0.90–2.12)

0.89 (0.75–1.07)

0.96 (0.89–1.04)

1.04 (0.98–1.11)

1.00

0.78 (0.71–0.86)

0.72 (0.62–0.83)

0.58 (0.43–0.78)

0.49 (0.28–0.87)

0.87 (0.39–1.94)

<60 y of age

 No. of deaths

3

41

300

1232

1175

316

81

19

1

1

 Multivariate HRa (95% CI)

1.79 (0.45–7.16)

2.10 (1.52–2.88)

1.19 (1.05–1.36)

1.15 (1.06–1.25)

1.00

0.73 (0.65–0.83)

0.66 (0.52–0.83)

0.60 (0.37–0.97)

0.20 (0.03–1.43)

0.75 (0.11–5.33)

≥60 y of age

 No. of deaths

37

256

1585

3736

2898

835

251

55

14

7

 Multivariate HRa (95% CI)

1.51 (1.08–2.11)

0.96 (0.84–1.09)

0.98 (0.92–1.05)

1.02 (0.97–1.07)

1.00

0.74 (0.68–0.80)

0.67 (0.59–0.77)

0.53 (0.40–0.70)

0.54 (0.32–0.92)

0.78 (0.32–1.87)

  1. aAdjuested for age at baseline, sex, smoking, drinking, education level, marrital status and physical activity.
  2. bAdjusted for age at baseline, smoking, drinking, education level, marrital status and physical activity.