Table 3 Relative risks with 95% confidence intervals for the associations between the results of the chair-stand test (four categories), presence of obesity and incidence of type 2 diabetes: the Survey of Health, Ageing and Retirement in Europe (SHARE)

≥ 30 kg/m²

Not safe^a

1657

288 (17.4%)

4.41 (3.80–5.12)

4.27 (3.67– 4.97)

2.85 (2.43–3.35)

≥ 30 kg/m²

Q1 (≥ 12.01 seconds in men, ≥ 13.5 seconds in women)^b

2116

321 (15.2%)

3.85 (3.33–4.45)

3.72 (3.21–4.31)

2.86 (2.46–3.32)

≥ 30 kg/m²

Q2-3 (≥ 8.0, <  12.01 seconds in men; ≥ 8.24, <  13.5 seconds in women)^b

3508

484 (13.8%)

3.50 (3.06–4.00)

3.42 (2.99–3.91)

2.94 (2.57–3.37)

≥ 30 kg/m²

Q4 (<  8.0 seconds in men, <  8.24 seconds in women)^b

1250

157 (12.6%)

3.19 (2.66–3.82)

3.15 (2.63–3.77)

2.76 (2.30–3.31)

<  30 kg/m²

Not safe^a

4930

437 (8.9%)

2.25 (1.96–2.58)

2.12 (1.84–2.45)

1.53 (1.32–1.77)

<  30 kg/m²

Q1 (≥ 12.01 seconds in men, ≥ 13.5 seconds in women)^b

7777

536 (6.9%)

1.75 (1.53–2.00)

1.66 (1.45–1.90)

1.37 (1.20–1.58)

<  30 kg/m²

Q2-3 (≥ 8.0, <  12.01 seconds in men; ≥ 8.24, <  13.5 seconds in women)^b

16,459

850 (5.2%)

1.31 (1.16–1.48)

1.27 (1.13–1.44)

1.19 (1.05–1.35)

<  30 kg/m²

Q4 (<  8.0 seconds in men, <  8.24 seconds in women)^b

8422

332 (3.9%)

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