Table 5 Longitudinal association of changes in the school environment with changes in activity intensity during lunchtime (multivariable models)

School environment

N/A

N/A

Length of break

0.10

(−0.09, 0.28)

−0.036

(−0.15, 0.08)

N/A

Hours of PE

   no change (reference)

N/A

N/A

   decrease

−1.46

(−4.42, 1.49)

   increase

0.80

(−2.01, 3.60)

Physical activity policy

   no change (reference)

   no/yes

−2.26

(−7.51, 3.00)

1.36

(−1.97, 4.70)

0.33

(−2.63, 3.28)

   yes/no

1.89

(−3.66, 7.43)

−0.28

(−3.54, 3.00)

−1.06

(−4.02, 1.91)

Lunchtime extracurricular physical activity provision

   no change (reference)

   no/yes

−5.32

(−9.03, −1.61)**

2.40

(−0.07, 4.88)

3.16

(1.09, 5.23)**

   yes/no

−7.00

(−15.41, 1.42)

4.63

(−0.52, 9.77)

2.71

(−1.60, 7.02)

Break time rule: screen-use

   no/no (reference)

N/A

N/A

   no/yes

−1.27

(−5.52, 2.98)

   yes/no

#

#

   yes/yes

−1.56

(−6.77, 3.66)

Compulsory outdoor break rule

   no change (reference)

   no/yes

-

-

-

-

-

-

   yes/no

4.77

(−0.32, 9.86)

−2.54

(−5.44, 0.36)

−1.63

(−4.54, 1.29)