Table 1

Relationship between habitual activities/eating behaviours and overweight (OW)

Activity/Eating behaviour

Tertiles

n (%)

Median (IQR)

OR1

95% CI

p

OR4

95% CI


Sleep (hours/day)

≤ 8.5

203(33.9)

8 (7.5–8.5)

6.7

1.5, 30.2

0.013

6.8

1.4, 32.1

8.51–9.5

257 (43)

9 (9–9.5)

3.6

0.8, 16.3

0.09

3.7

0.8, 17.4

> 9.5

138 (23.1)

10 (10–10.5)

1

-

-

1

-

Sedentary activities2 (hours/day)

≤ 7.4

200 (33.4)

6.7 (6.2–7.1)

1

-

-

7.41–8.9

199(33.3)

8.1(7.8–8.5)

0.6

0.3, 1.5

0.27

-

-

> 8.91

199 (33.3)

10.2(9.5–11.2)

0.9

0.4,2.2

0.91

Rigorous activities3 (hours/day)

≤ 1.61

195 (32.6)

1 (0.6–1.4)

1.7

0.8, 3.8

0.20

1.62–2.61

203 (33.9)

2.0 (1.8–2.3)

0.8

0.3, 2.0

0.65

-

-

> 2.61

200 (33.4)

3.4 (3–4.1)

1

-

-

TV viewing (hours/day)

≤ 0.75

217 (36.3)

0.7 (0.5–0.75)

1

-

-

1

-

0.76–1.5

266 (44.5)

1 (1–1.5)

3.1

0.8, 11.3

0.09

3.1

0.8, 11.4

> 1.5

115 (19.2)

2 (2–3)

19.6

5.5, 69.4

< 0.001

19.8

5.4, 71.9

Fried foods (frequency/week)

≤ 2.5

199 (33.3)

1 (0.3–2.0)

1

-

-

1

-

2.5–6

199 (33.3)

3.7 (3.0–4.7)

0.5

0.2, 1.6

0.27

0.4

0.1, 1.1

> 6

200 (33.4)

10.8 (8.0–16.5)

3.1

1.3, 7.6

0.014

1.6

0.7, 3.9


IQR – interquartile range, OR- odds ratio, 95% CI – 95% Confidence Interval, p = level of significance.

1 ORs were adjusted for age, gender, living location and socioeconomic status.

2 -includes all sedentary activities at school and home

3 -includes physical training at school, games at and after school and exercise

4 -OR were adjusted for age, gender, living location and socioeconomic status and the other significant predictors of overweight in the data

Kuriyan et al. Nutrition Journal 2007 6:25   doi:10.1186/1475-2891-6-25

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