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Table 2 Crude odds of factors associated with walking to school

From: Parental factors associated with walking to school and participation in organised activities at age 5: Analysis of the Millennium Cohort Study

Variable % walking to school in the exposed group % walking to school in the unexposed group Odds ratio * (exposed/unexposed)
Demographics    
Male/Female Male: 50.7% (3538/6976) Female: 50.5% (3369/6671) -
Ethnic group African/Asian: 60.5% (1071/1770) White: 49.1% (4356/8729) 1.59 (95%CI: 1.4-1.75)
Number in household More than 4: 51.8% (2551/4918) Four or less: 49.9% (4356/8729) 1.04 (95%CI: 1.02-1.07)
Socio-economics    
Family income Low 62% (1930/3113) Medium: 53% (2208/4157)
High: 41% (3089/5283)
1.5 (95%CI: 0.1.45-1.59)
Academic achievement None: 64% (1508/2339)
O'level: 52% (3121/6059)
A'Level: 47% (634/1336)
Uni :40% (1431/3542)
1.6 (95%CI: 1.56-1.79)
Access to car Have a car: 45.9% (4844/10559) No access to car: 78.5% (1339/1706) 0.23 (95%CI: 0.21- 0.26)
Primary carer in work In work: 44% (3430/7815) Not in work: 60% (3477/5831) 0.53 (95% CI: 0.50-0.57)
Area    
Good area to raise children Excellent:47.2% (4592/9717) Moderate: 58% (1696/2939)
Poor/very poor: 62.9% (607/964)
0.62 (95% CI: 0.58-0.67)
Area/Setting Urban: 54.5% (4868/8926) Town: 48.8% (421/862)
Village: 37.9% (266/702)
1.5 (95%CI: 1.37-1.7)
Perceived safety of area Very safe: 49% (5798/11779) Moderate-not safe: 59% (1095/1846) 0.66 (95%CI: 0.6-0.7)
Parents    
Age of primary carer More than 35 yrs: 45.4% (2563/5651) Less than or equal to 35 yrs: 54.3% (4344/7996) 0.7 (95%CI: 0.65-0.74)
Health of primary carer Good: 50.3% (6659/13,231) Poor: 59.1 (240/406) 0.7 (0.57-0.86)
BMI of primary carer More than 25: 49.9% (2355/4717) Less than or equal to 25: 49.1% (3499/7114) -
Smokes near child Smokes: 59.7% (1167/1954) Does not smoke: 49% (787/6736) 1.53 (95% CI: 1.4-1.7)
Child    
BMI of child (overweight/obese according to Obesity Taskforce definition) Overweight/obese: 50.3% (1466/2914) Not overweight/obese: 50.7 (5345/10548) -
Bracken School Readiness Score Less than 3: 56.3% (2273/4037) More or equal to 3: 48.2 (4634/9610) 1.38 (95%CI: 1.2-1.5)
Strengths and Difficulties Questionnaire total >7 More than 7: 54.4% (3695/6786) Less or equal to 7: 46.8% (3212/6907) 1.35 (95%CI: 1.3-1.45)
Taking part in organised sports/exercise Organised sport: 45.5% (3223/6906) No organised sport: 56.1% (3683/6562) 0.65 (95%CI: 0.61-0.70)
Plays sports (with parent) Plays sport with parent: 50.0% (4667/9341) Does not play sport with parent: 52.0% (2239/4305) 0.92 (95%CI: 0.85-0.99)
Playing physically active games (with parent) Plays games: 50.6% (4145/8190) Does not play games: 50.58% (2757/5451) -
Going to playground (with parent) Goes to play ground: 52.7% (4469/8469) Does not go to playground: 47.1% (2432/5167) 1.25 (95%CI: 1.17-1.3)
More than 3 hours of TV per day More than 3 hours: 56% (1145/2042) Less than 3 hours: 49.6% (5758/11599) 1.29 (1.17-1.4)
  1. * The tables are set out so that the exposed group is always compared to the unexposed group. For example, on table 2 exposures is taken as being of an ethnic minority group - so exposed/unexposed would be the proportion walking in the exposed group (ethnic minority) divided by the proportion walking in the unexposed group (white).