Table 1.

Characteristics of Global School-based Student Health Surveys for selected countries and the US 2009 Youth Risk Behavior Survey.

Country	Year	Total sample	Type of representation	School response Rate	Student response rate	Participation rate	Boys (Wtd.%)	Girls (Wtd.%)
Sub-Saharan Africa
Botswana	2005	2,197	National	100%	95%	95%	45.0%	55.0%
Ghana	2007	6,236	National	97%	86%	83%	53.4%	46.6%
Kenya	2003	3,691	National	96%	87%	84%	48.7%	51.3%
Namibia	2004	6,367	National	95%	86%	82%	45.2%	54.8%
Swaziland	2003	7,341	National	97%	99%	96%	36.2%	63.8%
Uganda	2003	3,215	National	90%	76%	69%	51.2%	48.8%
Tanzania	2006	2,176	Dar Es Salaam	100%	87%	87%	47.9%	52.1%
Zambia	2004	2,257	National	94%	75%	70%	48.9%	51.1%
Central and South America
Argentina	2007	1,980	National	94%	82%	77%	48.0%	52.0%
Guyana	2004	1,212	National	100%	80%	80%	49.0%	51.0%
Trinidad and Tobago	2007	2,969	National	100%	78%	78%	49.8%	50.2%
Uruguay	2006	3,406	National	95%	75%	71%	45.2%	54.8%
ASIA
Indonesia	2007	3,116	National	98%	95%	93%	49.9%	50.1%
Myanmar	2007	2,806	National	100%	95%	95%	50.8%	49.2%
Sri Lanka	2008	2,611	National	100%	89%	89%	50.0%	50.0%
Thailand	2008	2,767	National	100%	93%	93%	48.5%	51.5%
China	2003	2,348	Beijing	100%	99%	99%	50.5%	49.5%
Philippines	2003	7,338	National	99%	85%	84%	43.2%	56.8%
Eastern Mediterranean
Egypt	2006	5,349	National	100%	87%	87%	51.9%	48.1%
Djibouti	2007	1,777	National	85%	98%	83%	60.2%	39.8%
Jordan	2004	2,457	National	100%	95%	95%	50.3%	49.7%
Lebanon	2005	5,115	National	92%	96%	88%	47.7%	52.3%
Libyan Arab Jamahiriya	2007	2,242	National	100%	98%	98%	50.1%	49.9%
Morocco	2006	2,670	National	100%	84%	84%	54.7%	45.3%
Oman	2005	2,979	National	100%	97%	97%	52.6%	47.4%
United Arab Emirates	2005	15,790	National	97%	91%	89%	50.0%	50.0%
United States
US	2009	16,410	National	81%	88%	71%	47.8%	52.2%