| Sleep duration | Total time in bed | ||
---|---|---|---|---|
 | Unadjusted coefficient (95% CI) | aAdjusted coefficient (95% CI) | Unadjusted coefficient (95% CI) | aAdjusted coefficient (95% CI) |
TV | ||||
 No access and no use | bRef | Ref | Ref | Ref |
 Access but never used | −0.07 (−0.16, 0.02) | −0.09 (−0.18, −0.01) | −0.07 (−0.16, 0.02) | −0.07 (−0.15, 0.02) |
 Access and frequently used | −0.10 (−0.17, −0.03) | −0.13 (−0.20, −0.06) | −0.08 (−0.15, −0.00) | −0.07 (−0.14, −0.00) |
Computer | ||||
 No access and no use | Ref | Ref | Ref | Ref |
 Access but never used | −0.05 (−0.17, 0.06) | −0.12 (−0.22, 0.02) | −0.10 (−0.20, 0.00) | −0.09 (−0.19, 0.01) |
 Access and frequently used | −0.14 (−0.24, −0.05) | −0.17 (−0.26, −0.08) | −0.12 (−0.22, −0.02) | −0.15 (−0.23, −0.06) |
Tablet | ||||
 No access and no use | Ref | Ref | Ref | Ref |
  Access but never used | −0.03 (−0.15, 0.08) | −0.08 (−0.19, 0.03) | −0.05 (−0.13, 0.03) | −0.04 (−0.11, 0.03) |
  Access and frequently used | −0.05 (−0.15, 0.05) | −0.09 (−0.18, 0.01) | −0.05 (−0.15, 0.05) | −0.01 (−0.11, 0.07) |
Video Games | ||||
 No access and no use | Ref | Ref | Ref | Ref |
 Access but never used | −0.06 (−0.14, 0.02) | −0.08 (−0.16, −0.01) | −0.02 (−0.13, 0.09) | −0.04 (−0.14, 0.07) |
 Access and frequently used | −0.07 (−0.18, 0.03) | −0.08 (−0.17, 0.02) | −0.03 (−0.13, 0.06) | −0.03 (−0.13, 0.06) |
Cell Phone | ||||
 No access and no use | Ref | Ref | Ref | Ref |
 Access but never used | −0.12 (−0.18, −0.05) | −0.13 (−0.20, −0.07) | −0.12 (−0.18, −0.05) | −0.09 (−0.15, −0.03) |
 Access and frequently used | −0.16 (−0.24, −0.08) | −0.18 (−0.26, −0.09) | −0.16 (−0.24, −0.08) | −0.13 (−0.22, −0.05) |
At least one device | ||||
 No access and no use | Ref | Ref | Ref | Ref |
 Access but never used | −0.08 (−0.20, 0.04) | −0.11 (−0.24, 0.03) | −0.08 (−0.20, 0.05) | −0.07 (−0.21, 0.06) |
 Access and frequently used | −0.11 (−0.20, −0.02) | −0.13 (−0.23, −0.03) | −0.11 (−0.20, −0.02) | −0.10 (−0.20, −0.01) |
Reading | ||||
 No access and frequent reading | Ref | Ref | Ref | Ref |
 Access but frequent reading | −0.12 (−0.19, −0.05) | −0.15 (−0.23, −0.08) | −0.11 (−0.18, −0.05) | −0.11 (−0.18, −0.05) |
 Access and rarely reading | −0.19 (−0.27, −0.11) | −0.21 (−0.30, −0.13) | −0.17 (−0.25, −0.09) | −0.16 (−0.24, −0.07) |
 No access and rarely reading | −0.04 (−0.17, 0.08) | −0.07 (−0.19, 0.06) | −0.06 (−0.18, 0.06) | −0.05 (−0.18, 0.07) |