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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: Prev Med. 2011 Apr 17;52(6):423–427. doi: 10.1016/j.ypmed.2011.04.005

Table 3.

Factors associated with passive commuting* to school in children in 9 provinces in China from 1997–2006 §

Urban (%)
Rural (%)
1997 (n=708) 2000 (n=577) 2004 (n=443) 2006 (n=372) Unadjusted OR Adjusted OR 1997 (n=1634) 2000 (n=1333) 2004 (n=1044) 2006 (n=824) Unadjusted OR Adjusted OR
Age group
 6–12 years 1.5 7.6 17.1 17.9 1.0 1.0 1.7 2.3 10.1 10.2 1.0 1.0
 13–18 years 7.2 7.8 21.5 26.4 1.60 (1.20–2.13) 3.99 (1.63–9.78) 7.6 3.6 6.9 11.2 1.43 (1.12–1.82) 2.67 (1.52–4.72)
Sex
 Boys 3.4 6.7 18.1 20.7 1.0 1.0 3.9 3.4 9.4 11.0 1.0 1.0
 Girls 3.9 8.8 20.8 23.3 1.21 (0.90–1.62) 1.24 (0.92–1.68) 3.5 2.1 8.0 9.9 0.83 (0.64–1.07) 0.83 (0.64–1.08)
Family income
 Low 3.8 5.3 13.0 19.7 1.0 2.9 1.6 4.7 6.9 1.0 1.0
 Medium 1.5 4.2 19.9 24.7 1.16 (0.73–1.83) 3.2 1.3 7.9 7.3 1.20 (0.87–1.67) 1.09 (0.78–1.54)
 High 4.8 10.8 22.9 23.4 1.63 (1.07–2.48) 5.8 6.5 14.0 17.2 2.81 (2.06–3.84) 2.12 (1.52–2.96)
Relationship to head of household
 Son/daughter 4.1 7.8 19.4 20.3 1.0 4.0 2.7 9.2 10.2 1.0
 Others 1.4 7.8 19.7 25.4 1.02 (0.73–1.41) 1.2 3.7 7.2 11.4 0.90 (0.65–1.24)
If father currently work
 Yes 3.8 8.2 19.4 24.4 1.0
 No 4.8 5.3 18.5 18.6 0.83 (0.56–1.23)
If mother currently work
 Yes 3.4 6.4 18.9 21.9 1.0
 No 5.8 12.9 19.8 25.6 1.37 (1.01–1.87)
Father’s education
 Junior high school and below 2.7 6.5 17.2 22.8 1.0 3.2 2.2 8.1 8.3 1.0 1.0
 Senior high school and above 5.6 10.0 24.0 20.6 1.34 (0.99–1.81) 5.3 4.6 11.3 18.9 1.88 (1.44–2.46) 1.56 (1.17–2.07)
Mother’s education
 Junior high school and below 3.1 7.6 17.6 19.0 1.0 1.0 3.5 2.4 8.4 9.3 1.0
 Senior high school and above 5.0 7.9 22.9 27.5 1.39 (1.03–1.87) 1.41 (1.03–1.92) 4.9 5.0 11.4 18.2 1.75 (1.28–2.40)
Respondent’s school in local community
 Yes 2.2 4.4 16.0 16.3 1.0 1.0 1.7 0.7 4.8 7.3 1.0 1.0
 No 5.6 11.7 22.6 26.6 2.00 (1.48–2.68) 1.94 (1.42–2.66) 7.7 6.4 15.3 15.8 3.75 (2.90–4.84) 3.73 (2.81–4.96)
Bus stop in the village/neighbourhood
 Yes 4.5 7.5 19.0 23.0 1.0 3.0 3.4 7.3 14.4 1.0
 No 1.9 9.1 21.4 18.7 0.87 (0.61–1.24) 4.7 1.7 10.8 6.5 0.92 (0.72–1.19)
Number of bicycles in household
 0 2.3 4.8 18.8 21.6 1.0 1.0 4.3 3.2 4.9 8.3 1.0
 1 5.8 12.2 19.1 31.4 1.52 (1.08–2.12) 1.45 (1.03–2.04) 3.3 1.9 9.2 14.0 1.33 (0.96–1.85)
 2 3.2 8.1 22.4 15.9 1.00 (0.68–1.48) 0.91 (0.61–1.37) 4.6 2.6 10.3 10.2 1.37 (0.95–1.96)
 3 + 1.5 5.9 18.3 11.8 0.75 (0.46–1.23) 0.60 (0.35–1.02) 2.9 4.2 14.2 8.1 1.51 (1.00–2.28)
Household ownership of motorcycle(s)
 No 4.0 7.9 18.1 19.8 1.0 3.4 2.3 7.3 8.4 1.0 1.0
 Yes 0.9 7.7 22.7 26.7 1.18 (0.87–1.59) 6.2 4.6 11.5 13.7 1.73 (1.33–2.26) 1.57 (1.19–2.07)
Household ownership of automobile(s)
 No 3.8 7.5 18.6 21.4 1.0 3.6 2.7 8.8 10.5 1.0
 Yes 12.5 34.8 31.8 1.63 (0.96–2.76) 6.0 5.4 7.7 11.4 1.26 (0.72–2.21)
*

Passive commuting refers to predominantly motorised commuting to school.

§

Generalised estimating equations (GEE) analysis was used and survey years and its interaction item with age group have been adjusted for.

Slightly different sample size (to Table 2) because of missing data in covariates in Table 3.

Percentage of passive commuting.