Table 5

Comparison of prevalence of underweight and stunting in Control (n = 79) and AUDs (n = 78) groups with 2008 Youth Risk Behaviour Survey findings in the Western Cape Province (WC) (n = 1159), nationally (n = 9862) and for mixed ancestry population (n = 1423)

Groups

YRBS

% Control

% Males

%Females

%AUDs

%Males

%Females

%WC

%Males

%Females

%National

%Males

%Females

%Mixed

Ancestry

Stunting: Height-for-age Z-score < -2SD

8.9

8.8

8.9

10.3

9.1

11.1

9.7

9.8

9.6

13.1

15.2

11.1

13.6

Underweight: Weight-for-age Z-score < -2SD

7.6

11.8

4.4

6.4

9.1

4.4

6.5

8.0

5.2

8.4

12.0

4.9

9.4

Overweight and obese: Body mass index ≥ 25 kg/m

22.8

17.7

26.7

29.5

18.2

37.8

25.5

13.7

36.3

25.0

14.5

35.0

22.4

Notes: Height-for-age and Weight-for-age according to gender-specific 2000 CDC reference [40]Z-score cut-offs (Epi Info (TM) 3.5.3) used in 2008 Youth Risk Behaviour Survey [4]

Body mass index according to International Obesity Task Force cut-offs for body mass index for overweight and obesity by gender for ages 2 to 18 years [42] used in 2008 Youth Risk Behaviour Survey [4]

AUDs: alcohol use disorders

Naude et al. Nutrition Journal 2011 10:87   doi:10.1186/1475-2891-10-87