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Table 3 Physical activity correlates of overweight and obesity in São Paulo children and adolescents aged 7-18 years.

From: Modifiable risk factors for overweight and obesity in children and adolescents from São Paulo, Brazil

 

Number of participants (%)

Unadjusted Odds Ratio (95% CI)

Adjusted Odds Ratio (95% CI)

 

Normal weight

Overweight/obese

  

Travel to school

    

   Car

846 (35.2%)

352 (46.3%)

1.00

1.00

   Bus

357 (14.8%)

118 (15.5%)

0.79 (0.62-1.01)

0.72 (0.56-0.93)*

   Bicycle

122 (5.1%)

37 (4.9%)

0.73 (0.49-1.08)

0.61 (0.40-0.94)*

   Walk

1,044 (43.4%)

234 (30.8%)

0.54 (0.45-0.65)**

0.59 (0.48-0.72)**

   Other

37 (1.5%)

19 (2.5%)

1.23 (0.70-2.18)

1.32 (0.68-2.57)

Sport

    

   None

730 (30.3%)

206 (27.1%)

1.00

1.00

   1-2 days/week

796 (33.1%)

270 (35.5%)

1.20 (0.98-1.48)

1.22 (0.98-1.52)

   3-4 days/week

541 (22.5%)

173 (22.8%)

1.13 (0.90-1.43)

1.07 (0.83-1.37)

   > 4 days/week

339 (14.1%)

111 (14.6%)

1.16 (0.89-1.51)

1.01 (0.76-1.35)

Television

    

   None

58 (2.4%)

17 (2.2%)

1.00

1.00

   < 1 hr/day

421 (17.5%)

131 (17.2%)

1.06 (0.60-1.89)

0.99 (0.55-1.81)

   1-2 hr/day

989 (41.1%)

341 (44.9%)

1.18 (0.68-2.05)

1.19 (0.67-2.12)

   > 2 hr/day

938 (39.0%)

271 (35.7%)

0.99 (0.57-1.72)

0.90 (0.50-1.60)

Homework

    

None

162 (6.7%)

46 (6.1%)

1.00

1.00

   < 1 hr/day

1,255 (52.2%)

394 (51.8%)

1.11 (0.78-1.56)

1.00 (0.70-1.45)

   1-2 hr/day

774 (32.2%)

267 (35.1%)

1.22 (0.85-1.73)

1.33 (0.92-1.94)

   > 2 hr/day

215 (8.9%)

53 (7.0%)

0.87 (0.56-1.35)

0.95 (0.59-1.51)

Computer

    

   None

746 (31.0%)

181 (23.8%)

1.00

1.00

   < 1 hr/day

369 (15.3%)

112 (14.7%)

1.25 (0.96-1.63)

1.32 (0.99-1.75)

   1-2 hr/day

624 (25.9%)

206 (27.1%)

1.36 (1.09-1.71)*

1.64 (1.28-2.09)**

   > 2 hr/day

667 (27.7%)

261 (34.3%)

1.61 (1.30-2.00)**

1.94 (1.54-2.45)**

Parental sport

    

   None

1,388 (57.7%)

405 (53.3%)

1.00

1.00

   One

564 (23.4%)

208 (27.4%)

1.26 (1.04-1.53)*

1.25 (1.02-1.53)*

   Both

454 (18.9%)

147 (19.3%)

1.11 (0.89-1.38)

1.04 (0.83-1.31)

Parental encouragement

    

   None

493 (20.5%)

113 (14.9%)

1.00

1.00

   One

487 (20.2%)

168 (22.1%)

1.51 (1.15-1.97)*

1.67 (1.26-2.32)**

   Both

1,426 (59.3%)

479 (63.0%)

1.47 (1.17-1.84)*

1.63 (1.27-2.08)**

Active sibling(s)

    

   Yes

1,187 (49.3%)

356 (46.8%)

1.00

1.00

   No

1,219 (50.7%)

404 (53.2%)

1.11 (0.94-1.30)

1.10 (0.92-1.30)

  1. Adjusted for sex, age, father education, and mother education. *Significantly different from reference group (P < 0.05). **Significantly different from reference group (P < 0.01).