| Model 1 | Model 2a | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Males | Females | Males | Females | ||||||||
 | OR | 95% CI | P | OR | 95% CI | p | OR | 95% CI | p | OR | 95% CI | P |
Major depressive disorderb | ||||||||||||
 Weekday internet use | ||||||||||||
   ≤ 2 h | Ref |  |  | Ref |  |  | Ref |  |  | Ref |  |  |
  3–6 h | 1.27 | 0.70, 2.33 | 0.429 | 2.11 | 1.35, 3.29 | 0.001 | 1.20 | 0.63, 2.26 | 0.581 | 1.87 | 1.15, 3.02 | 0.011 |
   ≥ 7 h | 1.99 | 0.97, 4.04 | 0.057 | 2.33 | 1.35, 4.02 | 0.002 | 1.81 | 0.86, 3.83 | 0.120 | 2.09 | 1.16, 3.76 | 0.014 |
 Weekend internet use | ||||||||||||
   ≤ 2 h | Ref |  |  | Ref |  |  | Ref |  |  | Ref |  |  |
  3–6 h | 0.95 | 0.51, 1.73 | 0.861 | 1.33 | 0.83, 2.10 | 0.232 | 0.94 | 0.50, 1.78 | 0.847 | 0.93 | 0.57, 1.51 | 0.779 |
   ≥ 7 h | 1.62 | 0.80, 3.27 | 0.177 | 2.25 | 1.32, 3.83 | 0.003 | 1.47 | 0.70, 3.07 | 0.306 | 1.62 | 0.93, 2.82 | 0.088 |
  Age |  |  |  |  |  |  | 1.20 | 1.04, 1.37 | 0.010 | 1.38 | 1.24, 1.53 | 0.000 |
  SESc |  |  |  |  |  |  | 1.02 | 0.87, 1.19 | 0.795 | 0.96 | 0.86, 1.08 | 0.521 |
  BMI |  |  |  |  |  |  | 1.06 | 1.00, 1.11 | 0.020 | 1.02 | 0.98, 1.06 | 0.269 |
Psychological distressd | ||||||||||||
 Weekday internet use | ||||||||||||
   ≤ 2 h | Ref |  |  | Ref |  |  | Ref |  |  | Ref |  |  |
  3–6 h | 1.00 | 0.69, 1.46 | 0.986 | 1.36 | 0.99, 1.86 | 0.055 | 0.93 | 0.62, 1.39 | 0.725 | 1.16 | 0.83, 1.62 | 0.390 |
   ≥ 7 h | 1.53 | 0.97, 2.43 | 0.068 | 1.73 | 1.15, 2.60 | 0.008 | 1.45 | 0.89, 2.37 | 0.135 | 1.54 | 1.00, 2.39 | 0.051 |
 Weekend internet use | ||||||||||||
   ≤ 2 h | Ref |  |  | Ref |  |  | Ref |  |  | Ref |  |  |
  3–6 h | 1.47 | 1.00, 2.16 | 0.050 | 1.54 | 1.11, 2.13 | 0.009 | 1.39 | 0.93, 2.08 | 0.437 | 1.39 | 0.98, 1.97 | 0.065 |
   ≥ 7 h | 2.28 | 1.43, 3.68 | 0.001 | 2.67 | 1.78, 4.01 | 0.000 | 2.23 | 1.36, 3.65 | 0.002 | 2.38 | 1.55, 3.67 | 0.000 |
  Age |  |  |  |  |  |  | 1.03 | 0.95, 1.12 | 0.437 | 1.20 | 1.11, 1.29 | 0.000 |
  SES |  |  |  |  |  |  | 1.06 | 0.95, 1.17 | 0.302 | 0.98 | 0.89, 1.07 | 0.603 |
  BMI |  |  |  |  |  |  | 1.03 | 1.00, 1.07 | 0.047 | 1.04 | 1.01, 1.07 | 0.008 |