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Table 4 Associations between child and maternal physical activity levels, and influence of temporal and demographic factors

From: The association between maternal-child physical activity levels at the transition to formal schooling: cross-sectional and prospective data from the Southampton Women’s Survey

  Sedentary time Moderate to vigorous physical activity
β [95% C.I.] (minutes per day) p-Value β [95% C.I.] (minutes per day) p-Value
Average daily activitya 0.23 [0.20,0.26] < 0.001 0.53 [0.43,0.64] < 0.001
 Interaction terms
  Sex −0.03 [− 0.09,0.03] 0.276 − 0.30 [− 0.50,-0.09] 0.004
  Age mother left full-time education (ref < 16 years)
   17–18 years 0.06 [−0.01,0.13] 0.118 −0.07 [− 0.30,0.17] 0.583
   > 18 years − 0.02 [− 0.10,0.06] 0.652 −0.01 [− 0.27,0.24] 0.920
  Siblings (ref: none)
   Younger only −0.02 [− 0.10,0.06] 0.581 0.24 [− 0.04,0.52] 0.089
   Older only 0.09 [0.01,0.16] 0.025 0.12 [−0.13,0.36] 0.346
   Older and younger 0.09 [−0.04,0.22] 0.171 0.53 [0.12,0.94] 0.012
  Time of the week (ref: weekday) 0.07 [0.02,0.12] 0.009 0.44 [0.24,0.64] < 0.001
  Season (ref: winter)
   Spring −0.01 [−0.10,0.08] 0.963 −0.48 [− 0.82,-0.14] 0.005
   Summer 0.03 [−0.06,0.12] 0.715 −0.01 [− 0.35,0.34] 0.965
   Autumn 0.03 [−0.05,0.12] 0.784 −0.13 [− 0.46,0.20] 0.444
Association by time of dayb
 Morning (6 am–9 am) 0.44 [0.40,0.49] < 0.001 0.15[0.13,0.16] < 0.001
 School (9 am-3 pm) 0.06 [0.03,0.10] < 0.001 0.02 [0.01,0.03] < 0.001
 Evening (3-11 pm) 0.40 [0.35,0.44] < 0.001 0.06 [0.04,0.07] < 0.001
  1. β beta regression coefficient, 95% C.I. 95% confidence interval; a models adjusted for child sex, weight status, age mother left full-time education, siblings at home, time of the week and season; b weekdays only, models adjusted for child sex, weight status, age mother left full-time education, siblings at home, and season