Table 3 Simple linear regression models for associations of toddlers’ and parental demographic variables with accelerometer-derived sedentary time and physical activity
Demographic variables | Sedentary time (min/day)a | LPA (min/day)a | MVPA (min/day)a | TPA (min/day)a |
|---|---|---|---|---|
β (95% CI) | β (95% CI) | β (95% CI) | β (95% CI) | |
Toddlers’ Characteristics | ||||
 Age (months) | −1.5 (-4.9, 1.9) | 1.5 (-0.9, 4.0) | −0.1 (-1.7, 1.5) | 1.4 (-2.1, 4.9) |
 Sex | ||||
  Male | Reference | Reference | Reference | Reference |
  Female | 13.9 (0.9, 26.9)** | −3.1 (-12.7, 6.5) | −9.3 (-15.2, -3.5)** | −12.8 (-26.1, 0.5)* |
 Race/Ethnicity | ||||
  European-Canadian/Caucasian | Reference | Reference | Reference | Reference |
  Other | 7.8 (-5.6, 21.2) | −3.5 (-13.3, 6.2) | −4.2 (-10.4, 1.9) | −8.2 (-21.8, 5.5) |
 Main type of child care | ||||
  Parental | Reference | Reference | Reference | Reference |
  Child care center | −5.8 (−25.5, 13.8) | 8.2 (-6.0, 22.5) | 0.0 (−8.9, 9.0) | 7.5 (−12.5, 27.6) |
  Day home | 5.8 (−14.4, 26.0) | −5.9 (−20.5, 8.7) | 2.1 (−7.1, 11.3) | −4.5 (−25.1, 16.0) |
  Other | 6.3 (−9.9, 22.6) | 0.3 (−11.4, 12.1) | −5.3 (−12.7, 2.1) | −5.7 (−22.2, 10.8) |
 Number of Siblings | ||||
  None | Reference | Reference | Reference | Reference |
  1 | −8.8 (−23.2, 5.6) | 1.1 (−9.4, 11.7) | 6.4 (−0.2, 12.9)* | 8.0 (−6.7, 22.7) |
   ≥ 2 | 2.8 (−16.3, 21.8) | −3.2 (−17.2, 10.7) | −0.6 (−9.2, 8.1) | −3.9 (−23.3, 15.6) |
Parental Characteristics | ||||
 Age (years) | 0.8 (−0.7, 2.2) | −0.5 (−1.5, 0.5) | −0.4 (−1.0, 0.3) | 0.9 (−2.3, 0.6) |
 Sex | ||||
  Male | Reference | Reference | Reference | Reference |
  Female | 12.9 (−6.7, 32.6) | −10.9 (−25.2, 3.4) | −0.2 (−9.3, 8.9) | −10.8 (−30.9, 9.3) |
 Marital status | ||||
  Not married | Reference | Reference | Reference | Reference |
  Married | 4.5 (−12.6, 21.6) | −0.3 (−12.8, 12.1) | −3.9 (−11.7, 4.0) | −3.9 (−21.3, 13.6) |
 Country of birth | ||||
  Canada | Reference | Reference | Reference | Reference |
  Other | 9.2 (−5.9, 24.3) | −4.3 (−15.3, 6.6) | −4.9 (−11.8, 2.0) | −9.7 (−25.0, 5.7) |
 Highest level of education | ||||
  Post-graduate | Reference | Reference | Reference | Reference |
  University | 7.1 (−10.1, 24.2) | −3.6 (−16.1, 9.0) | −1.6 (−9.5, 6.3) | −6.0 (−23.6, 11.5) |
  Community/Technical college | 13.7 (−5.1, 32.6) | −5.8 (−19.6, 8.0) | −6.0 (−14.6, 2.6) | −12.7 (−32.0, 6.6) |
  High school (grades 9–12) | 1.8 (−22.0, 25.6) | −3.3 (−20.7, 14.1) | 0.8 (−10.1, 11.7) | −3.5 (−27.9, 20.8) |
 Household income (n = 142) | ||||
   > $100,000 | Reference | Reference | Reference | Reference |
  $50,001 to $100,000 | 4.8 (−9.5, 19.1) | −2.7 (−13.2, 7.9) | −1.5 (−8.0, 5.0) | −4.7 (−19.3, 9.9) |
   ≤ $50,000 | −11.1 (−33.3, 11.0) | 6.8 (−9.5, 23.1) | 6.5 (−3.5, 16.6) | 12.7 (−9.9, 35.2) |