Literature DB >> 28454570

Erratum to: Do the correlates of screen time and sedentary time differ in preschool children?

Katherine L Downing1, Trina Hinkley2, Jo Salmon2, Jill A Hnatiuk3, Kylie D Hesketh2.   

Abstract

Entities:  

Year:  2017        PMID： 28454570      PMCID： PMC5410080          DOI： 10.1186/s12889-017-4276-x

Source DB:  PubMed          Journal:  BMC Public Health        ISSN： 1471-2458            Impact factor:   3.295


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Erratum

Following publication of this article [1], it has come to our attention that the formatting in Tables 1 and 2 has affected the alignment in such a way that some of the data and categories are difficult to read. The original article has been updated and the correct versions of the tables can also be viewed below.
Table 1

Individual regression modelsa for all potential correlates of screen time and sedentary time for boys and girls

VariableScreen time mins/daySedentary time mins/day
Boys (n=504)Girls (n=433)Boys (n=394)Girls (n=323)
% or mean (SD)b β (95% CI)% or mean (SD)b β (95% CI)% or mean (SD)b β (95% CI)% or mean (SD)b β (95% CI)
Individual level
Demographic and family profile
Child disability/poor health10.3%4.57 (-17.79, 26.93)5.6%39.18 (-4.82, 83.18)9.9%-10.93 (-21.99, 0.12)5.6% 14.38 (0.64, 28.13)
Child’s birth parents live together86.9%-5.90 (-30.42, 18.63)89.3%-10.91 (-40.22, 18.40)88.1%9.71 (-0.63, 20.05)90.0%-1.60 (-14.50, 11.30)
Child sleep duration (hours)11.1 (1.1) -13.96 (-22.40, -5.52) 11.0 (1.1) -10.24 (-16.91, -3.57) 11.1 (1.0) -7.09 (-11.35, -2.82) 11.0 (1.1) -6.52 (-9.20, -3.84)
Child has siblings84.9%-0.98 (-17.83, 15.88)82.3%-8.30 (-24.40, 7.81)86.6%-4.63 (-16.17, 6.91)83.5%1.79 (-9.37, 12.96)
Child BMI categoryc
 Underweight/healthy weight (ref)82.5%080.8%083.3%080.0%0
 Overweight/obese17.5%2.64 (-14.22, 19.51)19.2%2.19 (-14.84, 19.21)16.7%-1.30 (-12.00, 10.02)20.0%6.94 (-3.84, 17.72)
Maternal age (years)37.1 (5.3)-0.13 (-1.65, 1.40)37.1 (5.1)-1.22 (-2.53, 0.09)37.0 (5.1)0.57 (-0.06, 1.21)37.1 (5.2)-0.30 (-1.07, 0.48)
Mother born in Australia70.1% -17.00 (-32.69, -1.32) 68.1% -26.60 (-42.88, -10.32) 72.6%-7.75 (-16.18, 0.69)68.1%-0.61 (-8.89, 7.67)
Maternal BMI categoryd
 Healthy weight (ref)62.1%060.9%062.1%062.8%0
 Overweight22.7%11.13 (-1.70, 23.96)21.8%7.28 (-8.60, 23.16)23.4%5.69 (-2.98, 14.37)19.2% 9.99 (0.51, 19.47)
 Obese15.2%17.04 (-8.42, 42.49)17.3% 26.78 (7.91, 45.65) 14.6%-8.80 (-18.27, 0.68)18.0%7.98 (-1.32, 17.28)
Mother in paid employmente 55.3%-6.29 (-20.24, 7.66)52.5%-9.49 (-22.72, 3.74)55.5%5.63 (-2.12, 13.38)50.8%3.91 (-2.83, 10.65)
Maternal disability/poor health3.4%7.72 (-28.30, 43.75)4.4%33.04 (-3.77, 69.86)2.5%-17.05 (-35.42, 1.32)4.6% 19.32 (5.72, 32.92)
Maternal education
Year 10 or equivalent (ref)10.6%011.2%09.9%011.2%0
Year 12/trade/diploma31.7%-6.72 (-34.83, 21.38)36.3%-10.37 (-34.49, 13.75)31.0%-7.21 (-21.03, 6.61)34.7%6.71 (-9.16, 22.57)
University degree/post-graduate57.7%-17.11 (-45.00, 10.78)52.6% -34.98 (-57.46, -12.49) 59.0%-1.83 (-13.93, 10.28)54.2%-6.23 (-18.96, 6.49)
Low income status (health care/pension card)20.4%13.72 (-4.88, 32.33)18.1% 23.91 (3.92, 43.90) 17.7%-4.05 (-14.67, 6.57)17.7%4.40 (-5.70, 14.5)
Paternal age (years)39.1 (5.7)-0.65 (-1.74, 0.43)39.2 (5.5)-0.58 (-1.99, 0.83)38.9 (5.5) 0.85 (0.21, 1.50) 39.0 (5.3)-0.27 (-1.14, 0.59)
Father born in Australia68.3%-8.24 (-22.90, 6.42)66.9% -19.14 (-35.97, -2.32) 71.3%-6.46 (-15.31, 2.39)69.5%-2.25 (-11.36, 6.86)
Paternal BMI categoryd
 Healthy weight (ref)38.6%034.0%036.7%036.5%0
 Overweight45.2%1.91 (-11.26, 15.08)48.7%4.62 (-11.62, 20.87)46.9%-0.38 (-9.41, 8.66)47.0%-3.47 (-11.23, 4.28)
 Obese16.2% 18.84 (2.21, 35.48) 17.3%18.97 (-2.31, 40.24)16.3%8.57 (-2.73, 19.86)16.5%6.99 (-4.81, 18.80)
Father in paid employmente 88.9%10.16 (-7.81, 28.13)90.8%-16.27 (-42.18, 9.64)89.7%1.96 (-11.21, 15.12)90.9%-10.51 (-27.72, 6.71)
Paternal disability/poor health4.9%32.13 (-6.56, 70.83)4.4%38.40 (-10.43, 87.23)4.5%14.39 (-3.29, 32.08)4.8%4.17 (-9.92, 18.26)
Paternal education
Year 10 or equivalent (ref)9.6%09.5%09.9%07.8%0
Year 12/trade/diploma39.9%-8.63 (-29.07, 11.82)42.4%0.26 (-25.22, 25.74)39.2%-4.91 (-16.47, 6.65)41.8%-8.10 (-26.21, 10.01)
University degree/post-graduate50.5%-14.67 (-33.75, 4.42)48.1% -28.92 (-52.31, -5.53) 51.0%0.95 (-9.83, 11.73)50.3%-9.01 (-25.08, 7.06)
Child PA and SB
Usual frequency of active transport per week (e.g., ride a bike to kinder)4.6 (3.9)-0.22 (-1.79, 1.35)4.3 (4.1) -3.01 (-4.53, -1.49) 4.4 (3.6)-0.73 (-1.65, 0.19)4.2 (3.9)-0.10 (-1.28, 1.07)
Usual frequency of non-organised activities per week (e.g., play in the backyard)22.7 (9.8)-0.51 (-1.20, 0.19)22.8 (10.4)-0.35 (-0.80, 0.09)22.3 (9.7)-0.28 (-0.65, 0.09)22.3 (10.4)-0.18 (-0.56, 0.19)
Number of organised activities per week (e.g., swimming, tennis)0.9 (0.8)-3.75 (-12.14, 4.63)1.2 (0.8) -17.67 (-25.95, -9.39) 0.9 (0.8)0.93 (-3.81, 5.67)1.2 (0.8)-3.29 (-7.79, 1.21)
Child attends playgroupf 24.3%4.98 (-8.96, 18.92)20.8%1.52 (-16.25, 19.30)24.1%0.27 (-7.36, 7.90)20.1%-3.88 (-11.64, 3.88)
Average outdoor play time hours/day (week and weekend day)4.3 (2.7)0.11 (-2.60, 2.82)3.8 (2.5)1.18 (-1.27, 3.63)4.2 (2.6)-0.27 (-1.77, 1.24)3.7 (2.5)-0.75 (-2.33, 0.83)
Child personality, preferences and constraints
Child active co-participation preferences (e.g., active by him/herself, active with his/her friends)1.8 (1.5)0.42 (-2.82, 3.65)1.6 (1.4)-0.78 (-5.74, 4.19)1.8 (1.5)-0.59 (-3.43, 2.25)1.5 (1.4)-1.92 (-4.60, 0.77)
Child is active for longer with someone else79.2% -20.57 (-40.06, -1.08) 78.3%14.43 (-2.48, 31.34)78.9%-6.32 (-16.18, 3.55)78.5%-1.70 (-11.41, 8.00)
Child is competitive with other children when being active66.2%11.48 (-1.00, 23.96)51.9%-1.21 (-14.28, 11.86)66.9%2.75 (-3.41, 8.90)51.3%0.33 (-7.44, 8.09)
Child prosocial PA behaviour (e.g., asks for opportunities to be active)12.8 (2.8)0.29 (-2.17, 2.76)12.6 (2.9)-0.43 (-2.58, 1.73)12.8 (2.7)-0.24 (-1.40, 0.92)12.5 (2.8)-0.01 (-1.60, 1.58)
Child preferences for SB (e.g., more likely to watch TV than be active)4.1 (1.6) 10.07 (5.98, 14.16) 4.4 (1.4) 14.51 (9.71, 19.32) 4.1 (1.6)0.89 (-1.42, 3.20)4.5 (1.4)1.08 (-2.37, 4.53)
Child constraints to PA (e.g., too tired to do more PA)-12.1 (4.5) 1.60 (0.11, 3.09) -11.9 (4.4)1.28 (-0.07, 2.63)-12.2 (4.4)-0.48 (-1.21, 0.25)-11.8 (4.5)-0.33 (-1.12, 0.46)
Social level
Parental influence
Parental concerns about child’s PA/SB-3.9 (3.3) 4.59 (2.51, 6.66) -4.4 (3.1) 7.47 (4.90, 10.04) -3.8 (3.3)0.57 (-0.44, 1.57)-4.3 (3.0)0.59 (-0.69, 1.87)
Parental constraints to child’s PA6.9 (3.1) 2.87 (0.36, 5.38) 6.7 (3.2) 5.05 (3.19, 6.92) 6.9 (3.0)0.14 (-1.01, 1.28)6.8 (3.1)0.94 (-0.19, 2.07)
Parent likes to participate in outdoor play73.5%4.70 (-8.72, 18.12)70.8%7.03 (-7.35, 21.41)73.0%3.65 (-3.37, 10.67)70.0%-5.31 (-13.37, 2.75)
Parent prefers to be social with other parents36.7%-5.65 (-17.2, 5.90)39.1%11.65 (-1.77, 25.07)35.6%-0.68 (-7.52, 6.15)36.8%-2.02 (-10.21, 6.16)
Parent gets bored watching child playing in outdoor spaces11.8% -22.01 (-36.87, -7.15) 12.5%5.81 (-18.58, 30.19)11.5%-0.71 (-8.44, 7.02)12.7%-7.79 (-18.44, 2.86)
Parent likes child to do activities of older children24.0%-10.26 (-24.05, 3.52)22.5%12.73 (-2.27, 27.73)24.7%1.18 (-6.7, 9.07)22.0%6.29 (-2.93, 15.50)
Parent likes child to do activities they did as a child34.3%5.27 (-9.72, 20.26)33.0%1.79 (-12.19, 15.76)34.4%-0.71 (-7.41, 5.99)34.1%-0.01 (-8.59, 8.58)
Parent gets bored going to the same place12.8%5.71 (-21.47, 32.88)10.9%7.73 (-17.83, 33.29)10.7%-0.83 (-10.72, 9.06)11.2%-6.60 (-16.29, 3.09)
Parent believes it’s important to be active as a family90.8% -26.67 (-48.93, -4.42) 86.9%-14.56 (-34.31, 5.19)90.6%-0.22 (-12.23, 11.80)86.8%-6.87 (-19.39, 5.65)
Parental self-efficacy to support PA5.9 (1.7) -3.62 (-7.02, -0.23) 5.9 (1.8) -8.07 (-11.75, -4.38) 5.9 (1.7)0.06 (-2.00, 2.12)5.8 (1.8)-0.54 (-2.60, 1.53)
Parental self-efficacy to limit screen time8.7 (2.3) -9.15 (-11.68, -6.62) 8.9 (2.5) -8.25 (-10.98, -5.52) 8.8 (2.3)-0.20 (-1.86, 1.46)9.0 (2.4)-0.89 (-2.43, 0.66)
Parental health knowledge/beliefs of child's PA1.5 (2.2)-4.19 (-8.74, 0.36)1.3 (2.2) -5.65 (-8.87, -2.44) 1.6 (2.1)-0.08 (-1.72, 1.56)1.3 (2.2)0.46 (-1.31, 2.23)
Rules and boundaries
Parental rules to limit screen time2.1 (1.6) -11.40 (-16.32, -6.48) 2.2 (1.5) -14.20 (-18.24, -10.16) 2.2 (1.6)-0.64 (-2.65, 1.37)2.2 (1.5)-1.90 (-4.46, 0.66)
Parental rules about games inside (e.g., no throwing balls inside)-0.2 (2.1)1.13 (-2.50, 4.76)-0.2 (2.1)1.13 (-2.50, 4.76)-0.2 (2.1)-0.16 (-1.90, 1.58)-0.1 (2.1)1.16 (-0.73, 3.05)
Parental rules about PA for stranger danger, traffic, injury2.3 (1.5)-1.23 (-6.15, 3.70)2.3 (1.6)1.27 (-2.65, 5.19)2.3 (1.5)-1.73 (-4.17, 0.71)2.3 (1.5)-0.31 (-3.17, 2.54)
Parent allows child to play freely in backyard/street-0.1 (1.2)-6.29 (-13.74, 1.16)-0.1 (1.2) -7.11 (-12.49, -1.73) -0.1 (1.1)-2.67 (-6.09, 0.75)-0.04 (1.2)-0.97 (-3.99, 2.05)
Parent switches off screen entertainment2.7 (1.4)3.19 (-0.62, 7.00)2.6 (1.3)3.26 (-1.76, 8.28)2.7 (1.4)-0.27 (-2.80, 2.26)2.7 (1.3)-0.83 (-3.35, 1.69)
Social interaction and support
Child is active at social gatherings6.0 (1.0)5.26 (-1.42, 11.95)6.0 (1.2)1.05 (-5.88, 7.97)6.0 (1.0)-0.54 (-5.45, 4.37)5.9 (1.2)-1.86 (-4.50, 0.77)
Maternal PA emotional support for child5.5 (2.1) 4.32 (1.74, 6.90) 5.4 (2.1)1.20 (-1.84, 4.24)5.5 (2.1) -1.75 (-3.46, -0.04) 5.4 (2.1)-0.92 (-2.55, 0.71)
Paternal PA emotional support for child4.7 (2.4) 4.29 (1.89, 6.70) 4.6 (2.4)1.86 (-0.95, 4.66)4.7 (2.4)-1.25 (-2.77, 0.28)4.6 (2.4)-0.73 (-2.43, 0.97)
Modelling of PA
Maternal time in PA (hours/week)5.4 (4.2)-0.01 (-1.72, 1.69)5.0 (4.0)-1.28 (-3.01, 0.45)5.3 (4.0)-0.17 (-0.79, 0.45)4.9 (3.9)0.46 (-0.54, 1.45)
Paternal time in PA (hours/week)5.4 (4.7)0.24 (-0.93, 1.40)5.2 (4.6) -2.12 (-3.65, -0.59) 5.0 (4.3)-0.47 (-1.17, 0.22)5.2 (4.5)0.35 (-0.53, 1.23)
Maternal TV viewing (hours/week)8.6 (6.8) 3.87 (1.81, 5.93) 9.0 (6.5) 2.62 (1.56, 3.68) 8.6 (6.1)-0.14 (-0.74, 0.46)9.2 (6.6)0.10 (-0.46, 0.66)
Paternal TV viewing (hours/week)9.6 (6.6) 1.91 (0.96, 2.85) 9.8 (7.0) 2.26 (1.23, 3.29) 9.8 (6.4)0.16 (-0.39, 0.71)9.6 (6.9)-0.01 (-0.48, 0.46)
Maternal role modelling of PA (times/week)3.2 (2.0)-0.63 (-4.49, 3.23)3.0 (2.0) -3.67 (-6.97, -0.38) 3.3 (2.0)-0.29 (-1.94, 1.35)3.0 (2.0)-1.03 (-3.27, 1.22)
Paternal role modelling of PA (times/week)2.8 (2.0)-1.82 (-4.88, 1.24)2.6 (2.0) -4.68 (-7.73, -1.63) 2.8 (1.9)-0.21 (-2.01, 1.60)2.7 (2.0)-0.28 (-2.26, 1.69)
Physical environment level
Dog ownership32.3%3.35 (-9.64, 16.34)32.2%-1.44 (-14.89, 12.00)32.1%0.90 (-6.43, 8.22)31.2%4.94 (-2.91, 12.79)
Number of pieces of toys/equipment to be physically active with at home (e.g., swings, slide)13.3 (3.5)-1.62 (-3.25, 0.001)13.1 (3.7) -2.37 (-4.15, -0.60) 13.4 (3.5)-0.12 (-1.17, 0.93)13.1 (3.7)-0.69 (-1.89, 0.52)
Lives on medium/large block86.1%1.16 (-14.99, 17.30)85.2%-8.11 (-26.65, 10.43)86.1%-1.06 (-12.25, 10.13)84.5%-6.63 (-18.48, 5.21)
Number of features at home (e.g., front fence, covered outdoor areas)1.9 (0.9) -11.00 (-20.38, -1.62) 1.9 (0.9) -11.48 -17.82, -5.14) 2.0 (0.8)2.02 (-2.10, 6.14)1.9 (0.8)-3.14 (-8.23, 1.95)
Lives on a cul-de-sac24.1% 24.23 (7.27, 41.19) 29.6%13.57 (-1.66, 28.79)23.3%-5.76 (-13.49, 1.97)28.0%0.31 (-7.40, 8.01)
Number of pieces of electronic equipment at home (e.g., DVD player, PlayStation)5.1 (1.2)3.83 (-2.76, 10.41)5.1 (1.1)2.89 (-2.67, 8.46)5.1 (1.1)1.01 (-2.89, 4.91)5.0 (1.1)1.58 (-2.33, 5.49)
Number of TVs at home2.2 (1.2) 7.31 (1.89, 12.74) 2.2 (1.1) 14.08 (7.61, 20.55) 2.2 (1.1)-0.80 (-3.60, 2.00)2.2 (1.0) 4.10 (1.00, 7.20)
TV in child’s bedroom10.6% 23.51 (4.75, 42.28) 9.5% 50.01 (23.84, 76.18) 10.0%0.02 (-11.97, 12.01)7.1%12.36 (-1.91, 26.63)
Computer/e-games in child’s bedroom4.2%11.34 (-28.46, 51.15)4.2%5.86 (-22.70, 34.41)4.1%17.37 (-9.11, 43.85)3.7%15.80 (-1.21, 32.81)
Neighbourhood playground suitability (e.g., equipment, shade, safety)5.5 (4.4) -2.98 (-5.30, -0.66) 5.2 (4.4) -2.71 (-4.15, -1.28) 5.6 (4.2) -0.92 (-1.65, -0.19) 5.5 (4.5)-0.31 (-1.13, 0.52)
Neighbourhood constraints to active transport (e.g., busy roads)4.9 (4.4)-1.46 (-3.19, 0.28)4.8 (4.6) -2.06 (-3.50, -0.62) 5.0 (4.4) -0.65 (-1.28, -0.01) 5.0 (4.4)-0.42 (-1.34, 0.50)
Total frequency of visiting active places per week6.5 (3.2)0.64 (-1.58, 2.85)5.9 (3.0)0.24 (-2.62, 3.10)6.4 (3.2)-0.77 (-1.90, 0.37)5.9 (3.1)-0.35 (-1.60, 0.90)

BMI body mass index; CI confidence interval; e-games electronic games; PA physical activity; SB sedentary behaviour; TV television

Notes: aAll models adjusted for age, preschool/childcare attendance and clustering by centre of recruitment; bReported as % for binary/categorical variables and mean (SD) for continuous variables; cDirectly measured height and weight, calculated using Cole et al. classifications; dParents’ self-reported height and weight, calculated using WHO classifications; eIncludes part- and full-time paid employment; f In Australia, playgroups are informal gatherings for parents (and caregivers) and their children prior to the commencement of school; bolded data indicates significance (p<0.05); - indicates variable not included in combined model

Table 2

Combined regression modelsa for correlates of screen time and sedentary time for boys and girls

VariableScreen time mins/daySedentary time mins/day
Boys (n=504)Girls (n=433)Boys (n=394)Girls (n=323)
β (95% CI)β (95% CI)β (95% CI)β (95% CI)
Individual level
Demographic and family profile
Child disability/poor health---10.18 (-3.03, 23.40)
Child sleep duration (hours) -7.49 (-13.46, -1.52) -5.67 (-11.57, 0.23)-3.97 (-7.95, 0.01) -5.76 (-8.83, -2.69)
Mother born in Australia0.99 (-11.45, 13.42) -15.66 (-28.97, -2.35) --
Maternal BMI categoryc
 Healthy weight (ref)-0-0
 Overweight-1.56 (-12.22, 15.34)-8.55 (-0.90, 18.00)
 Obese-15.11 (-4.11, 34.32)-5.20 (-4.05, 14.45)
Maternal disability/poor health---10.97 (-5.36, 27.30)
Maternal education
Year 10 or equivalent (ref)-0--
Year 12/trade/diploma--3.39 (-27.86, 21.09)--
University degree/post-graduate--2.62 (-30.91, 25.66)--
Low income status (health care/pension card)--4.22 (-23.18, 14.74)--
Paternal age (years)-- 0.73 (0.10, 1.35) -
Father born in Australia--3.93 (-17.82, 9.95)--
Paternal BMI categoryc
 Healthy weight (ref)0---
 Overweight-1.15 (-13.03, 10.74)---
 Obese2.79 (-12.80, 18.37)---
Paternal education
 Year 10 or equivalent (ref)-0--
 Year 12/trade/diploma- 23.26 (0.11, 46.41) --
 University degree/post-graduate-9.66 (-16.33, 35.65)--
Child PA and SB
Usual frequency of active transport per week (e.g., ride a bike to kinder)- -1.72 (-3.14, -0.30) --
Number of organised activities per week (e.g., swimming, tennis)--7.54 (-15.72, 0.64)--
Child personality, preferences and constraints
Child is active for longer with someone else-10.63 (-23.18, 1.93)---
Child preferences for SB (e.g., more likely to watch TV than be active)3.52 (-1.49, 8.53) 7.09 (2.47, 11.70) --
Child constraints to PA (e.g., too tired to do more PA)-0.69 (-2.12, 0.75)---
Social level
Parental influence
Parental concerns about child’s PA/SB1.87 (-0.05, 3.78) 3.19 (0.62, 5.76) --
Parental constraints to child’s PA0.74 (-1.36, 2.84)1.29 (-0.55, 3.13)--
Parent gets bored watching child playing in outdoor spaces -14.43 (-27.99, -0.86) ---
Parent believes it’s important to be active as a family6.08 (-10.86, 23.02)---
Parental self-efficacy to support PA0.76 (-2.78, 4.30)1.67 (-2.23, 5.58)--
Parental self-efficacy to limit screen time -6.52 (-9.51, -3.54) -2.64 (-5.12, -0.16) --
Parental health knowledge/beliefs of child's PA-0.22 (-3.67, 4.11)--
Rules and boundaries
Parental rules to limit screen time -5.15 (-9.20, -1.11) -5.20 (-9.94, -0.47) --
Parent allows child to play freely in backyard/street--4.62 (-9.39, 0.16)--
Social interaction and support
Maternal PA emotional support for child2.14 (-1.47, 5.76)--1.10 (-2.84, 0.63)-
Paternal PA emotional support for child2.14 (-0.87, 5.14)---
Modelling of PA
Paternal time in PA (hours/week)--0.62 (-2.29, 1.04)--
Maternal TV viewing (hours/week) 2.27 (1.09, 3.46) 1.33 (-0.05, 2.70)--
Paternal TV viewing (hours/week)0.49 (-0.71, 1.69)0.65 (-0.33, 1.63)--
Maternal role modelling of PA (times/week)-0.36 (-3.27, 4.00)--
Paternal role modelling of PA (times/week)-0.54 (-3.54, 4.61)--
Physical environment level
Number of pieces of toys/ equipment to be physically active with at home (e.g., swings, slide)-0.57 (-1.15, 2.29)--
Number of features at home (e.g., front fence, covered outdoor areas)-2.51 (-9.95, 4.92)-2.34 (-9.40, 4.72)--
Lives on a cul-de-sac11.70 (-1.26, 24.66)---
Number of TVs at home3.65 (-2.04, 9.34)5.15 (-1.69, 11.99)-2.45 (-0.79, 5.70)
TV in child’s bedroom-1.74 (-23.72, 20.23)27.14 (-5.49, 59.77)--
Neighbourhood playground suitability (e.g., equipment, shade, safety)0.11 (-1.10, 1.32)-0.69 (-2.11, 0.73)-0.69 (-1.51, 0.12)-
Neighbourhood constraints to active transport (e.g., busy roads)-0.14 (-1.29, 1.57)-0.26 (-0.96, 0.43)-

BMI body mass index; CI confidence interval; PA physical activity; SB sedentary behaviour; TV television

Notes: aAll models adjusted for age, preschool/childcare attendance and clustering by centre of recruitment; bReported as % for binary/categorical variables and mean (SD) for continuous variables; cParents’ self-reported height and weight, calculated using WHO classifications; bolded data indicates significance (p<0.05); - indicates variable not included in combined model

Individual regression modelsa for all potential correlates of screen time and sedentary time for boys and girls BMI body mass index; CI confidence interval; e-games electronic games; PA physical activity; SB sedentary behaviour; TV television Notes: aAll models adjusted for age, preschool/childcare attendance and clustering by centre of recruitment; bReported as % for binary/categorical variables and mean (SD) for continuous variables; cDirectly measured height and weight, calculated using Cole et al. classifications; dParents’ self-reported height and weight, calculated using WHO classifications; eIncludes part- and full-time paid employment; f In Australia, playgroups are informal gatherings for parents (and caregivers) and their children prior to the commencement of school; bolded data indicates significance (p<0.05); - indicates variable not included in combined model Combined regression modelsa for correlates of screen time and sedentary time for boys and girls BMI body mass index; CI confidence interval; PA physical activity; SB sedentary behaviour; TV television Notes: aAll models adjusted for age, preschool/childcare attendance and clustering by centre of recruitment; bReported as % for binary/categorical variables and mean (SD) for continuous variables; cParents’ self-reported height and weight, calculated using WHO classifications; bolded data indicates significance (p<0.05); - indicates variable not included in combined model
  1 in total

1.  Do the correlates of screen time and sedentary time differ in preschool children?

Authors:  Katherine L Downing; Trina Hinkley; Jo Salmon; Jill A Hnatiuk; Kylie D Hesketh
Journal:  BMC Public Health       Date:  2017-03-29       Impact factor: 3.295
  1 in total

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