Table 3 Hazard ratios for developing laryngeal cancer, according to the status of underweight and type 2 diabetes

   < 18.5

0.046

1.31 (1.09–1.57)

1.19 (0.99–1.42)

1.20 (1.00–1.44)

  18.5–22.9

0.040

1 (Reference)

1 (Reference)

1 (Reference)

  23–24.9

0.039

0.80 (0.73–0.88)

0.86 (0.78–0.94)

0.85 (0.77–0.93)

  25–29.9

0.035

0.72 (0.65–0.79)

0.79 (0.72–0.86)

0.76 (0.69–0.84)

   ≥ 30

0.019

0.66 (0.49–0.88)

0.72 (0.53–0.96)

0.67 (0.50–0.90)

   < 18.5

0.275

2.37 (1.57–3.58)

2.09 (1.38–3.15)

2.02 (1.34–3.06)

  18.5–22.9

0.135

1.29 (1.11–1.48)

1.26 (1.09–1.45)

1.20 (1.04–1.39)

  23–24.9

0.104

1.02 (0.87–1.19)

1.07 (0.91–1.25)

1.00 (0.85–1.17)

  25–29.9

0.071

0.81 (0.70–0.94)

0.87 (0.75–1.01)

0.80 (0.69–0.94)

   ≥ 30

0.058

1.16 (0.81–1.68)

1.25 (0.87–1.81)

1.13 (0.78–1.64)