Table 6 Effects of household/family characteristics and school characteristics on adolescent’s characteristics and the moderating effects of adolescent’s gender for sub-sample^a (Step 2 of mediation analysis)

b (95% CI)

p

e^b (95% CI)

p

b (95% CI)

p

Highest educational attainment in household

Main - direct

−0.00 (−0.03,0.03)

0.891

1.00 (0.98,1.02)

0.840

0.06 (−0.02,0.13)

0.133

In boys

N/A

N/A

N/A

N/A

0.12 (0.02,0.21)

0.017

In girls

N/A

N/A

N/A

N/A

0.01 (−0.08,0.10)

0.858

No. of motor vehicles in household

Main - direct

−0.02 (− 0.07,0.03)

0.382

0.99 (0.96,1.03)

0.678

−0.04 (− 0.16,0.08)

0.536

No. of children in household

Main - direct

0.01 (−0.04,0.05)

0.761

1.00 (0.97,1.03)

0.972

0.02 (−0.09,0.14)

0.703

In boys

−0.04 (− 0.10,0.03)

0.247

0.95 (0.91,0.99)

0.017

N/A

N/A

In girls

0.05 (−0.01,0.11)

0.086

1.05 (1.01,1.10)

0.009

N/A

N/A

Neighbourhood self-selection for PA

Main - direct

0.05 (0.01,0.10)

0.028

1.00 (0.97,1.03)

0.998

−0.05(−0.17,0.06)

0.381

Neighbourhood socio-economic status

Main - direct

−0.01 (− 0.11,0.09)

0.813

0.99 (0.94,1.05)

0.779

−0.01(− 0.21,0.19)

0.897

Household income

Main - direct

0.02 (0.00,0.03)

0.030

1.00 (0.99,1.01)

0.488

0.01 (−0.03,0.05)

0.674

Parental rules for PA

Main - direct

0.00 (−0.01,0.01)

0.873

1.00 (0.99,1.01)

0.652

−0.01(− 0.03,0.02)

0.463

In boys

0.01 (−0.00,0.03)

0.065

N/A

N/A

N/A

N/A

In girls

−0.01 (−0.02,0.01)

0.249

N/A

N/A

N/A

N/A

Social support for PA from parents

Main - direct

0.05 (0.01,0.09)

0.021

1.02 (0.99,1.05)

0.174

0.15 (0.04,0.25)

0.006

PA equipment at home/neighbourhood

Main - direct

−0.00 (−0.02,0.01)

0.718

1.01 (1.00,1.02)

0.119

0.04 (0.00,0.08)

0.032

Parental leisure-time PA^

Main - direct

0.00 (−0.00,0.01)

0.279

1.00 (1.00,1.01)

0.101

0.01 (−0.01,0.03)

0.222

Parental transportation PA^

Main - direct

−0.01 (− 0.01,0.00)

0.141

1.00 (0.99,1.00)

0.569

0.01 (−0.01,0.02)

0.507

In boys

N/A

N/A

0.99 (0.98,1.00)

0.004

N/A

N/A

In girls

N/A

N/A

1.01 (1.00,1.013)

0.060

N/A

N/A

School PA-friendly index^‡

Main - total

0.01 (−0.01,0.03)

0.337

1.02 (1.01,1.04)

0.003

0.01 (−0.05,0.07)

0.707

Main - direct

0.01 (−0.01,0.03)

0.472

1.02 (1.01,1.04)

0.006

0.01 (−0.05,0.06)

0.842

Social support from peers

Main - direct

0.06 (0.03,0.10)

< 0.001

1.04 (1.02,1.06)

< 0.001

0.15 (0.06,0.23)

< 0.001

In boys

N/A

N/A

1.02 (1.00,1.05)

0.096

N/A

N/A

In girls

N/A

N/A

1.06 (1.03,1.10)

< 0.001

N/A

N/A