Table 3 Mean accelerometer measured moderate to vigorous physical activity, in minutes per day (1 minute bouts, with standard deviation) by site and socioeconomic characteristics for subjects with complete socioeconomic data (n = 2,101)

Mean MVPA

24.3 (29.8)

29.7 (21.3)

24.6 (20.7)

37.6 (31.1)

35.3 (23.1)

Lowest tertile

48.2 (49.6)

29.9 (22.4)

27.5 (20)

37.9 (33)

36 (23.3)

Middle tertile

27.1 (33.1)

34.5 (26)

23.4 (20.1)

37.3 (29.2)

32.1 (19.7)

Upper tertile

19.7 (22.1)

26.8 (17.1)

20.5 (24.8)

<5 obs

32.4 (23.8)

p for continuous

<0.001*

0.037*

0.0143*

0.508

0.526

Non-manual occupation

16.6 (18.1)

24.9 (17.4)

20.4 (18.8)

30.2 (21.0)

29.7 (20.2)

Skilled manual

23.0 (23.7)

37.1 (23.8)

26.5 (25.0)

49.7 (33.0)

41.8 (22.8)

Unskilled manual

30.4 (35.6)

33.3 (23.5)

25.8 (20.2)

38.4 (32.0)

35.2 (23.2)

p for difference (F-test)

<0.001*

<0.001*

0.089

0.159

0.033*

Employment status

Employed

26.0 (28.0)

30.4 (22.5)

26.5 (22.2)

38.5 (29.5)

35.3 (25.3)

Unemployed

32.6 (36.4)

26.9 (16.9)

18.8 (16.4)

34.0 (27.4)

22.5 (14.2)

p for difference

<0.001*

0.285

<0.001*

0.136

<0.001*

Relative poverty

Poverty

23.8 (29.8)

31.6 (21.5)

23.8 (18.7)

37.4 (31)

35.8 (23)

Not poverty

28.9 (29.8)

27.0 (20.8)

25.4 (22.5)

54.5 (38.5)

32.7 (23.3)

p for continuous

0.282

0.033

0.442

0.150

0.354

Material goods scale

0 to 11

52.5 (64.3)

32.3 (21)

27.8 (20.9)

37.7 (31.5)

35.5 (23)

12 to 18

23.7 (28.5)

28.8 (21.4)

22.1 (20.2)

37.1 (28.5)

33.8 (23.5)

p for continuous

<0.001*

0.001*

0.005*

0.345

0.056

Car ownership

No

46.6 (45.4)

33.7 (20.1)

26.8 (20.7)

38.2 (31.7)

36.6 (23.2)

Yes

20.4 (24.2)

23.0 (21.8)

20.5 (20)

33.8 (26.5)

25.8 (19.3)

p for difference

<0.001*

<0.001*

0.005*

0.316

0.002*