(n = 4636) | Parental education effect on mediator (path a, X → M) | Single mediator model Mediator effect on WC (path b, M → Y) | Multiple mediator model Mediator effect on WC (path b, M → Y) | ||||||
---|---|---|---|---|---|---|---|---|---|
Total association (path c) (95% CI): -0.94 (−1.47 to −0.41) | |||||||||
Mediator: | Beta | 95% CI | p-value | Beta | 95% CI | p-value | Beta | 95% CI | p-value |
Sugared drinks (l/day) | −0.14 | −0.18 to −0.11 | <0.001 | −0.085 | −0.504 to 0.335 | 0.693 | |||
Breakfast (days/week) | 0.26 | 0.15 to 0.37 | <0.001 | −0.484 | −0.622 to −0.346 | <0.001 | −0.444 | −0.582 to −0.305 | <0.001 |
Active transportation (min/week) | −3.74 | −7.09 to 0.39 | 0.029 | −0.002 | −0.006 to 0.003 | 0.489 | |||
Sports participation (hours/week) | 0.50 | 0.34 to 0.67 | <0.001 | −0.231 | −0.323 to −0.139 | <0.001 | −0.219 | −0.311 to −0.128 | <0.001 |
TV viewing (hours/week) | −1.26 | −1.69 to −0.83 | <0.001 | 0.089 | 0.053 to 0.124 | <0.001 | 0.068 | 0.029 to 0.107 | 0.001 |
Computer use (hours/week) | −1.19 | −1.61 to −0.78 | <0.001 | 0.058 | 0.021 to 0.095 | 0.002 | 0.019 | −0.021 to 0.059 | 0.342 |
Sleep duration (h/day) | −0.04 | −0.09 to 0.01 | 0.105 | −0.676 | −0.981 to −0.370 | <0.001 | |||
All significant mediators | |||||||||
Indirect effect (a*b, X → M → Y) | Direct effect (path c′, X → Y adj M ) | Percentage mediated (a*b/c) | |||||||
Mediator: | Beta | 95% CI | Beta | 95% CI | p-value | % | |||
Sugared drinks (l/day) | 0.01 | −0.05 to 0.07 | −0.95 | −1.48 to −0.42 | 0.001 | - | |||
Breakfast (days/week) | −0.13 | −0.20 to −0.06 | −0.81 | −1.34 to −0.28 | 0.003 | 13.5 | |||
Active transportation (min/week) | 0.01 | −0.01 to 0.04 | −0.96 | −1.49 to −0.43 | 0.001 | - | |||
Sports participation (hours/week) | −0.12 | −0.18 to −0.06 | −0.96 | −1.49 to −0.43 | 0.002 | 12.4 | |||
TV viewing (hours/week) | −0.11 | −0.19 to −0.06 | −0.83 | −0.36 to −0.30 | 0.002 | 11.9 | |||
Computer use (hours/week) | −0.07 | −0.14 to −0.03 | −0.87 | −1.40 to −0.34 | 0.001 | 7.4 | |||
Sleep duration (h/day) | 0.03 | −0.01 to 0.08 | −0.97 | −1.49 to −0.44 | <0.001 | - | |||
All significant mediators | −0.34 | −0.46 to −0.23 | −0.60 | −1.13 to −0.07 | 0.026 | 35.8 |