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Table 3 Multi-level logistic regression analyses of school- and student-level characteristics associated with overweight and obesity among youth in grades 1 to 4 in PLAY-On (Ontario, Canada, 2007–2008)

From: A cross-sectional examination of school characteristics associated with overweight and obesity among grade 1 to 4 students

Student-Level dharacteristics

Adjusted odds ratio§(95% CI)

 

Model 1

Model 2

 

Overweight vs. normal weighta

Obese vs. normal weighta

Sex

Female

1.00

1.00

Male

0.90 (0.70, 1.17)

1.01 (0.71, 1.44)

Grade

1

1.00

1.00

2

0.68 (0.46, 1.01)

1.47 (0.88, 2.44)

3

0.80 (0.56, 1.14)

1.41 (0.85, 2.34)

4

1.07 (0.76, 1.51)

0.98 (0.57, 1.69)

Physical activity level

Low active

1.00

1.00

Moderately active

0.65 (0.45, 0.94)*

0.75 (0.46, 1.20)

Very active

0.53 (0.35, 0.81)**

0.50 (0.28, 0.89)*

Sedentary behaviour

≤2 hour per day

1.00

1.00

2 to 4 hours per day

1.55 (1.18, 2.04)**

1.49 (1.01, 2.19)*

>4 hours per day

1.64 (0.53, 5.11)

1.62 (0.36, 7.22)

Physical activity level compared to other kids

About the same

1.00

1.00

More active

0.79 (0.46, 1.37)

1.26 (0.60, 2.62)

Less active

0.95 (0.70, 1.28)

1.30 (0.82, 2.06)

Prefers to play alone or with other children

Alone

1.00

1.00

Other children

0.57 (0.25, 1.34)

0.90 (0.26, 3.09)

Both

0.48 (0.20, 1.11)

0.49 (0.14, 1.71)

Prefers to play active games or quiet games

Quiet

1.00

1.00

Active

0.54 (0.30, 0.97)*

0.76 (0.35, 1.64)

Both

0.96 (0.73, 1.25)

0.84 (0.58, 1.24)

Preference for reading

Dislikes reading

1.00

1.00

Likes reading

0.96 (0.68, 1.35)

0.98 (0.60, 1.60)

Prefers to play outside or inside

Inside

1.00

1.00

Outside

1.03 (0.56, 1.92)

0.87 (0.36, 2.07)

Both

1.45 (0.99, 2.05)

0.92 (0.57, 1.50)

School-Level Characteristics

Healthy Physical Environment

Student access to a variety of facilities on and off school grounds during school hours

Initiation

1.00

-

Action

0.39 (0.16, 0.92)**

Maintenance

0.32 (0.12, 0.86)**

Support for active transportation to/from school

Initiation

1.00

-

Action

0.72 (0.36, 1.42)

 

Maintenance

0.47 (0.22, 0.98)*

 
  1. Note: § Odds ratios adjusted for all other variables in the table and controlling for random variation across schools.
  2. aBMI values used to determine weight status have been adjusted for age and sex.
  3. Model 1: 1 = Overweight (n = 319), 0 = Normal weight (n = 1,711).
  4. Model 2: 1 = Obese (n = 143), 0 = Normal weight (n = 1,711).
  5. *p < .05 **p < .0.
  6. PLAY-On represents the name of the study where self-reported data were collected in 2007–2008 from a convenience sample of students in grades 1 to 4 attending 30 elementary schools in Ontario, Canada.
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BMC Public Health

ISSN: 1471-2458

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