1.0 INTRODUCTION

Intellectual disability is a type of mental disorders that begins before adulthood. It reduced the ability to understand new or complex information, to learn and apply new skills (impaired intelligence) and reduced the ability to cope independently (impaired social functioning) (WHO, 2014). The intellectual disabilities of adolescents are categorized as a mild, moderate, or severe or profound degree depends on IQ assessments (Einfeld et al., 2008).
People with intellectual disabilities (ID) are a heterogeneous group which different in their age, gender and disabilities. It is difficult to pinpoint their characteristic beyond their limited intellectual development. An ID usually implies difficulties for people in dealing
Adolescent age 12 – 19 years old with intellectual disability
2. Caregiver of adolescent with intellectual disability
EXCLUSION CRITERIA
1. Adolescent age 12 – 19 years old that have both intellectual disability and other mental disorder.
2. Adolescent age 12 -19 years old with intellectual disability that have serious health problems.
TOOLS / EQUIPMENTS:
1. Anthropometry measurement.
• Body weight and height of participant is measure with a scale sensitive ± 0.1kg with thin clothes and no shoes. The height is measure by the feet adjacent and the head in a Frankfort plane. The measurers are well trained (Hakime Nogay, 2013).
• Body mass index is calculate by Weight (kg)/ height² (m²) formula.

2. Demographic questionnaire
Each participant will be given simple demographic questionnaire.
3. Dietary intake assessment
Each participant will be given a food diary card to record every meal they took for 3 days (2 days in weekdays and 1 day for weekend) with estimated dietary intake. The food dairy will be recorded by the guardians or parents of the child (CDC,
Data will analyse. Data will analyse using SPSS 11.0 programme (Mariana & Wong, 2011).
Association between dietary intake, body mass index and health status among adolescent with intellectual disability
Association between dietary intake, body mass index and health status among adolescent with intellectual disability will be analyse using the relation of chi-square test. (Yen & Lin, 2010).

4.0 EXPECTED OUTCOMES
Based on literature review, the expected outcome could be varies:
1. The BMI of adolescent with intellectual disability will be higher than normal adolescent.
2. The dietary intake of adolescent with ID will be higher compare to the normal adolescent.
3. The knowledge, attitude and practices caregiver with intellectual disability is low.
4. The physical activity of adolescent with intellectual disability is