Table 1 Characteristics of the sample and results of the multilevel multivariable linear regression model for Vigorous Physical Activity (minutes per day)

Sex

Female

5476

52.9

Ref.

Ref.

Male

5001

68.7

15.8

14.6

(13.2, 16.0)

Not available

33

Age (years)

14-15

6833

62.6

Ref.

Ref.

16-17

3677

56.3

-6.3

-1.6

(-3.2, -0.0)

Not available

0

Parental education

Low

1269

53.5

Ref.

Ref.

Middle

3706

57.8

4.3

2.0

(-0.4, 4.3)

High

4226

64.8

11.3

2.7

(0.3, 5.1)

Not available

1309

Family Affluence Scale

I tertile

3350

55.6

Ref.

Ref.

II tertile

3060

60.2

4.6

1.2

(-0.6, 3.0)

III tertile

4100

64.5

8.9

4.7

(2.8, 6.6)

Not available

0

MacArthur Scale

I tertile

3085

54.3

Ref.

Ref.

II tertile

3925

59.7

5.4

1.3

(-0.4, 3.1)

III tertile

3215

67.3

13.0

4.4

(2.5, 6.3)

Not available

308

Parental employment

One or both employed

9875

61.0

Ref.

Ref.

Both not in employment

635

50.9

-10.1

-2.5

(-5.6, 0.6)

Not available

0

Housing tenure

No

1875

54.7

Ref.

Ref.

Yes

8480

61.7

7.0

2.8

(0.9, 4.7)

Not available

155

Weekly personal income

0-5 euro

2409

53.6

Ref.

Ref.

6-20 euro

4907

59.9

6.3

2.0

(0.2, 3.7)

>20 euro

2996

67.3

13.7

4.7

(2.7, 6.8)

Not available

198

Academic achievement

Low

1935

57.4

Ref.

Ref.

Middle

4430

61.2

3.8

2.3

(0.3, 4.3)

High

4298

61.2

3.8

4.5

(2.5, 6.6)

Not available

281

City^b

Namur (BE)

2002

50.8

-9.6

-11.5

(-14.6, -8.4)

Tampere (FI)

1492

66.8

6.4

6.1

(3.0, 9.2)

Hannover (GE)

1348

61.9

1.5

2.2

(-0.7, 5.1)

Latina (IT)

2045

50.8

-9.6

-8.6

(-11.7, -5.6)

Amersfoort (NL)

1870

80.7

20.3

17.7

(14.7, 20.8)

Coimbra (PT)

1753

54.1

-6.3

-5.9

(-9.3, -2.5)