Table 1 Descriptive statistics of sample socio-demographic and accelerometer wear-time

N with ≥1 day valid PA data

6,712

1,040

331

107

252

273

257

625

426

448

463

425

147

1,213

705

Age, years

Mean (SD)

43 (12)

43 (13)

42 (13)

44 (11)

37 (14)

40 (14)

43 (13)

42 (13)

42 (12)

42 (12)

40 (13)

42 (12)

43 (13)

44 (11)

47 (10)

Gender, %men

46.2

48.1

48.0

30.8

34.5

39.2

42.8

44.3

35.9

40.0

48.2

45.4

50.3

55.2

47.8

  Less than HS

11.0

4.4

27.2

51.4

21.4

7.3

35.8

45.1

2.6

4.5

0.7

10.1

38.8

1.3

2.0

  HS graduate

39.6

33.0

32.3

36.5

45.6

42.5

25.3

27.4

58.2

64.5

46.2

56.7

46.9

35.2

31.1

  College or more

48.4

62.6

40.5

12.2

32.9

50.2

38.9

27.5

39.2

31.0

53.1

33.2

14.3

63.6

66.9

Employment status, %employed - all

79.2

80.8

79.8

64.5

76.2

75.5

63.0

72.2

78.2

84.6

87.0

82.4

61.9

81.5

83.5

- among men

85.5

85.0

88.7

90.9

85.1

75.7

75.5

88.8

86.3

88.3

88.3

84.5

67.6

87.1

85.5

- among women

73.8

76.9

71.5

52.7

71.5

75.3

53.7

58.9

73.6

82.2

85.8

80.6

56.2

74.5

81.8

Marital status, %couple

64.6

73.7

59.2

64.5

58.7

69.2

56.4

65.3

72.7

75.0

56.8

55.8

44.2

63.8

61.1

Valid weekdays

Mean (SD)

4.7 (1.1)

4.9 (0.9)

4.9 (1.1)

5.0 (0.8)

4.2 (1.3)

5.1 (0.7)

4.1 (1.1)

4.2 (0.9)

4.3 (1.3)

4.4 (1.2)

4.5 (1.1)

4.5 (1.3)

4.5 (1.2)

5.0 (0.9)

5.1 (1.0)

Valid weekend days

Mean (SD)

1.9 (0.5)

1.9 (0.4)

1.9 (0.5)

1.8 (0.6)

1.7 (0.5)

1.9 (0.3)

1.8 (0.5)

1.8 (0.6)

1.8 (0.6)

1.9 (0.7)

2.1 (0.7)

1.9 (0.6)

1.8 (0.4)

1.9 (0.4)

1.9 (0.5)

Valid hours / day

Mean (SD)

14.3 (1.5)

14.7 (1.3)

13.7 (1.3)

13.8 (1.3)

13.6 (1.6)

14.9 (1.2)

14.3 (1.5)

13.9 (1.4)

14.0 (1.3)

14.0 (1.4)

13.9 (1.3)

13.8 (1.4)

14.3 (1.5)

14.5 (1.5)

14.6 (1.6)