Journal of Obesity / 2010 / Article / Tab 1

Research Article

Diet, Screen Time, Physical Activity, and Childhood Overweight in the General Population and in High Risk Subgroups: Prospective Analyses in the PIAMA Birth Cohort

Table 1

Characteristics of the study population and prevalence of overweight (including obesity) and obesity at the age of 8 years in sub groups of the population.

n (%)Overweight at age 8%Obesity at age 8%

Age 0-1

Gender
 Boy2055 (51.8%)12.12.5
 Girl1908 (48.2%)15.53.0
Maternal education1
 Low 934 (23.6%)18.34.1
 Intermediate  1651 (41.7%)14.03.3
 High1378 (34.8%)10.51.2
Maternal overweight
 BMI<25 kg/m22960 (74.7%)10.01.5
 BMI   25 kg/m21003 (25.3%)25.06.8
Birth weight
<2500 g 134 (3.4%)10.02.3
 2500– 4000 g3119 (78.7%)12.52.3
4000 g 710 (17.9%)20.15.1
Breast feeding
 None 710(17.9 %)18.74.0
 0–16 weeks1861 (47.0%)13.42.8
16 weeks1392 (35.1%)11.72.0

Age 5 years

Fast food consumption2
 Low (523 kJ/wk)1427 (36.0 %)12.11.6
 Intermediate (1549 kJ/wk)1583 (40.0%)14.02.7
 High (2596 kJ/wk)953 (24.0%)15.84.4
Snack consumption2
 Low (2253 kJ/wk)1314 (33.2%)13.73.0
 Intermediate (3350 kJ/wk)1327 (33.5%)14.12.0
 High (5100 kJ/wk)1322 (33.4%)13.53.1
Soft drink consumption2
 Low (1436 kJ/wk)1351 (34.1%)12.51.7
 Intermediate (2064 kJ/wk)1342 (33.9%)15.03.2
 High (3132 kJ/wk)1270 (32.1%)13.73.0
Member sport club
 Yes2441 (61.6 %)14.13.0
 No1522 (38.4%)13.32.4
Walking/cycling to school
 Cat.1 never1449 (36.6%)13.73.2
 Cat.2 <1/2 hr p. day2105 (53.1%)13.82.4
 Cat.3 1/2 hr p. day 409 (10.3%)13.83.0
Screen time
 Cat.1  1/2 hr p. day 935 (23.6%)9.92.2
 Cat.2 1/2–1 hr p. day1873 (47.3%)13.22.1
 Cat.3 1-2 hrs p. day1020 (25.7%)17.54.1
 Cat.4  > 2 hrs p. day135 (3.4%)19.75.1
Playing outside
 Cat.1  1 x p. wk 179 (4.5%)17.16.2
 Cat.2 1–3 x p. wk 901 (22.8%)14.53.0
 Cat.3 > 3 x p. wk2883 (72.7%)13.32.4
Age 7 years

Fast food consumption2
 Low (523 kJ/wk)1410 (35.6%)12.62.7
 Intermediate (1549 kJ/wk)1550 (39.1%)13.42.1
 High (2596 kJ/wk)1003 (25.3%)15.93.8
Snack consumption2
 Low (2492 kJ/wk)1331 (33.6%)15.13.8
 Intermediate (3643 kJ/wk)1311 (33.1%)14.12.4
 High (5465 kJ/wk)1321 (33.3%)12.01.9
Soft drink consumption2
 Low (1436 kJ/wk)1393 (35.1%)14.82.5
 Intermediate (2010 kJ/wk)1254 (31.7%)13.23.1
 High (2986 kJ/wk)1316 (33.2%)13.22.6
Member sport club
 Yes3414 (86.2%)14.02.8
 No 549 (13.9%)12.12.1
Walking/cycling to school
 Cat.1 never 683 (17.2%)14.32.6
 Cat.2 <1/2 hr p. day2758 (69.6%)13.32.6
 Cat.3  1/2 hr p. day522 (13.2%)15.53.7
Screen time
 Cat.1  1/2 hr p. day 548 (13.8%)12.53.1
 Cat.2 1/2–1 hr p. day1683 (42.5%)12.02.7
 Cat.3 1-2 hrs p. day1504 (38.0%)15.12.6
 Cat.4  >  2 hrs p. day108 (5.7%)20.52.8
Playing outside
 Cat.1  1 x p. wk 152 (3.9% )19.84.7
 Cat.2 1–3 x p. wk943 (23.8%)14.03.2
 Cat.3 > 3 x p. wk2868 (72.4%)13.42.5

Low1=primary, lower vocational and lower general; Intermediate = senior high school and intermediate vocational; High = higher vocational and university.
For2 each category (Low, Intermediate, and High) the median energy intake (kJ/week) from this food group is shown in brackets.

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