TABLE 4

Adjusted Effect Estimates and Odds Ratios for Daily Mean Media Exposure and Viewing >2 Hours per Day at 2 Years by ITSC Self-Regulation Category

Infant Toddler Symptom Checklist CategoryAverage daily TV/Video Exposure, β (95% CI)Watch >2 h/d, Odds Ratio (95% CI)
9 mo ITSC ≥3 (moderate/severe self-regulation problems) vs ITSC 0–2 (no/mild problems)
 Crude0.23 (0.12–0.35)1.27 (1.11–1.44)
 Adjusteda0.15 (0.02–0.28)1.16 (0.997–1.36)
9 mo + 2 y combined ITSC
 No/mild self-regulation problems
  Crude0 (reference)1 (reference)
  Adjusteda0 (reference)1 (reference)
 Improved
  Crude0.19 (0.04–0.35)1.22 (1.00–1.48)
  Adjusteda0.12 (–0.05–0.28)1.20 (0.97–1.49)
 Worsened
  Crude0.10 (–0.03–0.24)1.31 (1.08–1.60)
  Adjusteda0.01 (–0.12–0.14)1.27 (1.04–1.56)
 Persistent self-regulation problems
  Crude0.34 (0.17–0.50)1.57 (1.31–1.87)
  Adjusteda0.21 (0.03–0.39)1.40 (1.14–1.71)
  • a Adjusted model includes child race, age, overall health, maternal age, SES (education, employment, income), general health, non–English-speaking household, neighborhood safety, siblings at home, urbanicity, HOME-SF score.