Table 3.

Results from the bivariate and the multivariate logistic regression of active transport to school with potential predictor variables for children living in the urban setting (central Portugal, 2013–2014)

	Child active transport to school
	Bivariate analyses		Multivariate analyses
	OR (95%CI)	p value	OR (95%CI)	p value
Sex*		0.36		0.62
Girls	0.76 (0.42–1.37)		0.65 (0.17–2.44)
Boys	Ref.		Ref.
Age*		0.57		0.23
6–7 years	0.84 (0.45–1.55)		0.64 (0.16–2.55)
8–10 years	Ref.		Ref.
Obesity		0.02		0.33
Normal weight	3.01 (1.16–7.81)		0.31 (0.04–2.43)
Overweight/obesity	Ref.		Ref.
Abdominal obesity		0.01		0.20
No risk	4.53 (1.37–14.92)		5.88 (0.59–22.12)
Risk	Ref.		Ref.
Perceived safety to act. commute		< 0.001		< 0.001
Safe	94.04 (38.82–135.03)		18.88 (3.72–95.89)
Not safe	Ref.		Ref.
Facilities close to home		0.04		0.83
0–1	0.51 (0.21–1.25)		1.83 (0.15–13.75)
2–3	0.53 (0.24–1.19)		1.38 (0.20–7.61)
4–5	1.09 (0.48–2.48)		1.51 (0.34–16.71)
6 or more	Ref.		Ref.
Barriers		0.04		0.88
None	3.47 (0.95–12.66)		2.54 (0.18–35.04)
1–2	2.23 (0.66–7.55)		7.77 (0.67–89.67)
> 2	Ref.		Ref.
Household income		0.53		–
Low	1.36 (0.64–2.88)		–
Medium	0.88 (0.40–1.96)		–
High	Ref.		–
Parental education		0.23		–
0 parents with high degree	0.70 (0.34–1.49)		–
1 parent with high degree	0.49 (0.20–1.23)		–
2 parents with high degree	Ref.		–
Distance to school		< 0.001		< 0.001
0–1000 m	40.10 (25.09–66.10)		25.10 (2.82–55.62)
1001–2000 m	19.70 (8.97–45.28)		20.33 (3.98–31.03)
2001–3000 m	1.00 (0.23–10.54)		9.77 (0.79–14.09)
> 3000 m	Ref.		Ref.
Mother transportation		< 0.001		0.01
Passive	0.11 (0.05–0.26)		0.15 (0.03–0.90)
Active	Ref.		Ref.
Father transportation		0.02		0.78
Passive	0.34 (0.14–0.85)		1.58 (0.26–9.78)
Active	Ref.		Ref.

Note. *Fixed effect in the multivariate model; variables that had a p value < 0.05 entered in the multivariate model; OR odds ratio, CI confidence interval