|
| N | Sample/setting | Age (years) | Comment |
|
Brazil [12] | 180 | Public school children in urban areas of the periphery of greater São Paulo. | 5–18 | Low income population. No chronic or acute illness 30 days prior to interview. |
|
USA [17] | 5972 | All new enrollees in State Children’s Health Insurance Program in California. | 5–16 | Representative of low-income families. Chronic disease reported by parents in 574 children (asthma, attention deficit hyperactivity disorder, depression, diabetes etc.). |
|
Finland [14] | 1033 | All Finnish primary school children in a city of 175.000 inhabitants. | 9-10 | |
|
Norway [15] | 425 | Children in 5 junior high schools in 3 urban and 2 rural areas. | 13–15 | |
|
United Kingdom [16] | 1034 | Children in 23 schools in South Wales | 8–18 | Mean age 12.6 years. Children with chronic disease excluded. |
|
The Netherlands [7] | 148 | Children in 4 elementary schools, 4 high schools, and 1 vocational school in Amsterdam and surrounding region. | 13–18 | Mean age 15.0 years. Sampling, stratified by geographic location and migrant and parental education in school. Chronic disease reported by parents in 25 children (asthma, congenital defect, skin disease, migraine, etc.). |
|
Austria [8] | 1412 | Children from 22 schools in Vienna. | 8–12 | |
|
Greece [9] | 645 | Representative sample of Greek school children. | 8–12 | |
|
Spain [10] | 511 | Representative sample of school children in grades 4–11 in Tarragona. | 9–17 | Mean age 11.7 years. |
|
Iran [6] | 848 | Children in 4 secondary and high schools in Tehran. | — | Mean age 15.7 (±1.2) |
|
Korea [13] | 1425 | Children in 5 elementary, 5 middle, and 4 high schools within 2 small, 2 metropolitan and 1 capital city. | 8–18 | Chronic disease reported by parents in 50 children. |
|
Japan [5] | 922 | Children from 1 elementary, 1 middle, and 1 high school in Tokyo. | 6–18 | |
|
Australia [11] | 2890 | Children from 13 secondary schools in the Barwon South West region of Victoria. | 11–18 | Mean age 14.6 years. |
|