Table 1 General characteristics of participants

No intensity

n = 900

Low intensity

n = 3085

P

No vs low

High intensity

n = 1001

P

No vs high

Age at baseline, years

48.8 (11.1)

47.3 (10.9)

0.001

51.1 (11.8)

<0.001

Female, n (%)

497 (55.2)

1682 (54.6)

0.75

598 (60.1)

0.03

Current smoker, n (%)

89 (10.1)

357 (11.2)

0.26

182 (18.6)

<0.001

University degree, n (%)

354 (39.6)

1175 (38.4)

0.54

226 (22.9)

<0.001

SEIFA (in lowest tertile), n (%)

258 (29.2)

918 (30.3)

0.86

397 (40.4)

<0.001

MCS (SF-36)

51.0 (8.5)

48.9 (9.6)

<0.001

46.3 (11.2)

<0.001

BMI, kg/m²

26.0 (4.7)

26.6 (4.8)

<0.001

27.8 (5.3)

<0.001

Waist circumference, cm

87.9 (13.7)

89.5 (13.7)

0.002

92.7 (14.3)

<0.001

Percent of fat (%)

31.7 (11.8)

32.6 (11.6)

0.03

36.2 (13.3)

<0.001

Fat mass, kg

24.3 (12.4)

25.7 (12.4)

0.004

29.1 (14.6)

<0.001

Fat-free mass, kg

50.6 (11.8)

51.4 (12.2)

0.10

49.3 (12.6)

0.03

No disability

n = 3,061

Low disability

n = 651

P

No vs low

High disability

n = 482

P

No vs high

Age at baseline, years

46.5 (10.7)

47.7 (11.5)

0.01

51.4 (10.9)

<0.001

Female, n (%)

1650 (54.0)

352 (54.2)

0.94

61.6 (61.2)

0.002

Current smoker, n (%)

335 (11.1)

97 (15.6)

0.01

108 (23.1)

<0.001

University degree, n (%)

1244 (41.0)

233 (36.1)

0.02

98 (20.6)

<0.001

SEIFA (in lowest tertile), (%)

888 (29.5)

212 (33.0)

0.20

194 (41.0)

<0.001

MCS (SF-36)

49.3 (9.2)

47.2 (10.6)

<0.001

46.2 (11.7)

<0.001

BMI, kg/m²

26.3 (4.7)

27.2 (5.0)

<0.001

28.6 (5.8)

<0.001

Waist circumference, cm

88.7 (13.5)

91.2 (13.4)

<0.001

94.1 (14.9)

<0.001

Percent of fat (%)

32.1 (11.5)

33.7 (12.6)

0.001

37.4 (13.3)

<0.001

Fat mass, kg

25.0 (12.5)

27.2 (14.0)

<0.001

30.6 (14.9)

<0.001

Fat-free mass, kg

51.4 (12.3)

51.4 (12.3)

0.95

49.1 (12.5)

<0.001