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. 2021 Mar 17;11(3):e040848. doi: 10.1136/bmjopen-2020-040848

Table 3.

Associations between electronic media use at 18 months and 5 years of age with psychosocial well-being at age 5 years

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.