Crude | Adjusted 1* | Adjusted 2† | |||||||
OR | 95% CI | P value | OR | 95% CI | P value | OR | 95% CI | P value | |
Screen time: 18 months of age | |||||||||
FTF | |||||||||
Attention and concentration difficulties | 1.46 | 0.96 to 2.22 | 0.07 | 1.50 | 0.97 to 2.31 | 0.07 | 1.41 | 0.89 to 2.22 | 0.14 |
Hyperactivity and impulsivity | 1.16 | 0.76 to 1.77 | 0.50 | 1.16 | 0.75 to 1.81 | 0.50 | 1.14 | 0.72 to 1.80 | 0.59 |
Emotional/internalising symptoms | 1.19 | 0.76 to 1.88 | 0.45 | 1.15 | 0.72 to 1.85 | 0.55 | 1.13 | 0.69 to 1.86 | 0.62 |
Emotional/externalising symptoms | 1.03 | 0.66 to 1.60 | 0.91 | 1.04 | 0.65 to 1.65 | 0.88 | 1.06 | 0.65 to 1.72 | 0.82 |
SDQ | |||||||||
Hyperactivity | 1.49 | 0.98 to 2.26 | 0.06 | 1.37 | 0.89 to 2.12 | 0.15 | 1.37 | 0.87 to 2.18 | 0.18 |
Emotional problems | 1.36 | 0.86 to 2.17 | 0.19 | 1.38 | 0.85 to 2.23 | 0.19 | 1.47 | 0.88 to 2.45 | 0.14 |
Conduct problems | 1.24 | 0.84 to 1.84 | 0.28 | 1.26 | 0.84 to 1.90 | 0.27 | 1.23 | 0.80 to 1.90 | 0.35 |
Peer problems | 1.59 | 1.04 to 2.41 | 0.03 | 1.64 | 1.06 to 2.52 | 0.03 | 1.56 | 0.98 to 2.46 | 0.06 |
Total screen time: 5 years of age | |||||||||
FTF | |||||||||
Attention and concentration difficulties | 1.88 | 1.27 to 2.80 | <0.01 | 1.45 | 0.92 to 2.28 | 0.11 | 1.57 | 0.97 to 2.53 | 0.07 |
Hyperactivity and impulsivity | 1.57 | 1.06 to 2.33 | 0.03 | 1.33 | 0.85 to 2.12 | 0.22 | 1.31 | 0.81 to 2.13 | 0.28 |
Emotional/internalising symptoms | 1.75 | 1.15 to 2.65 | 0.01 | 1.84 | 1.14 to 2.97 | 0.01 | 2.01 | 1.21 to 3.34 | 0.01 |
Emotional/externalising symptoms | 1.69 | 1.12 to 2.55 | 0.01 | 1.39 | 0.87 to 2.23 | 0.17 | 1.54 | 0.94 to 2.52 | 0.09 |
SDQ | |||||||||
Hyperactivity | 2.18 | 1.49 to 3.20 | <0.01 | 1.60 | 1.02 to 2.49 | 0.04 | 1.55 | 0.97 to 2.48 | 0.07 |
Emotional problems | 0.99 | 0.62 to 1.56 | 0.95 | 0.98 | 0.58 to 1.66 | 0.94 | 0.90 | 0.49 to 1.61 | 0.70 |
Conduct problems | 1.53 | 1.05 to 2.21 | 0.03 | 1.24 | 0.81 to 1.91 | 0.32 | 1.06 | 0.67 to 1.67 | 0.80 |
Peer problems | 1.06 | 0.71 to 1.60 | 0.77 | 0.90 | 0.56 to 1.45 | 0.67 | 0.85 | 0.51 to 1.42 | 0.53 |
Bold indicates statistical significance at p<0.05.
*Adjusted for age, gender, maternal education. Total screen time at 5 years of age; also adjusted for screen time at 18 months of age.
†Adjusted for age, gender, maternal education, number of siblings, and daycare participation. Total screen time at 5 years of age; also adjusted for screen time at 18 months of age.
FTF, Five-to-Fifteen Questionnaire; SDQ, Strengths and Difficulties Questionnaire.