State of the World's Children 2013 - Unicef
State of the World's Children 2013 - Unicef
State of the World's Children 2013 - Unicef
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<strong>of</strong> enumeration, such as censuses, general and<br />
targeted household surveys, and interviews with<br />
key informants, have been used to estimate<br />
disability prevalence.<br />
General data collection instruments are likely to<br />
underestimate <strong>the</strong> number <strong>of</strong> children with disabilities.<br />
124 They typically employ a generic or<br />
filter question, such as whe<strong>the</strong>r anyone in <strong>the</strong><br />
household ‘is disabled’, or use <strong>the</strong> same questions<br />
for all household members regardless <strong>of</strong><br />
<strong>the</strong>ir age. <strong>Children</strong> in particular are likely to be<br />
overlooked in surveys that do not specifically ask<br />
about <strong>the</strong>m. 125<br />
Targeted household surveys that specifically<br />
address <strong>the</strong> issue <strong>of</strong> child disability or include<br />
measures specifically designed to evaluate disability<br />
in children have produced more accurate<br />
results than household surveys or censuses that<br />
ask about disability in general. 126 Such surveys<br />
tend to report higher prevalence rates because<br />
<strong>the</strong>y usually include more numerous and<br />
detailed questions.<br />
Questionnaire design<br />
Even well-designed surveys can misreport disability<br />
if a single set <strong>of</strong> questions is applied to<br />
children across <strong>the</strong> age spectrum. The choice<br />
<strong>of</strong> questions must be tailored to a child’s age in<br />
order to reflect <strong>the</strong> developmental stages and<br />
evolving capacities <strong>of</strong> children. 127 Some domains,<br />
such as self-care (e.g., washing and dressing),<br />
will not be appropriate for very young children.<br />
Given <strong>the</strong> complexity <strong>of</strong> developmental processes<br />
that take place over <strong>the</strong> first two years <strong>of</strong> life,<br />
it can be difficult to distinguish disability from<br />
variations in normal development without specialized<br />
tools or assessment. 128<br />
Questions designed to assess disability in <strong>the</strong><br />
adult population are not always applicable to<br />
children, yet many survey instruments use a<br />
FOUR CASE STUDIES (Continued)<br />
uCambodia<br />
3 questions asked:<br />
Does (name) have<br />
any disability?<br />
If yes, what type?<br />
What was <strong>the</strong><br />
cause?<br />
2 questions asked:<br />
Is <strong>the</strong>re a person<br />
who usually lives in<br />
your household<br />
who has any type<br />
<strong>of</strong> physical<br />
impairment?<br />
2 questions asked:<br />
Does (name) have<br />
any disability?<br />
What was <strong>the</strong><br />
cause?<br />
One question asked:<br />
If <strong>the</strong> person is<br />
physically/mentally<br />
disabled, give<br />
appropriate code<br />
from <strong>the</strong> list<br />
1: in seeing;<br />
2: in speech;<br />
3: in hearing;<br />
4: in movement;<br />
5: mental<br />
One question asked:<br />
Does (name) have<br />
any <strong>of</strong> <strong>the</strong> following:<br />
Difficulty seeing,<br />
difficulty hearing,<br />
difficulty speaking,<br />
difficulty moving,<br />
difficulties in feeling<br />
or sensing,<br />
psychological or<br />
behavioural<br />
difficulties, learning<br />
difficulties, fits, o<strong>the</strong>r<br />
(specify)?<br />
Impaired since<br />
birth or due to an<br />
accident?<br />
2%<br />
2%<br />
4%<br />
1%<br />
5%<br />
Socio-Economic<br />
Survey 1999<br />
Demographic and<br />
Health Survey 2000<br />
Socio-Economic<br />
Survey 2003–2004<br />
Census<br />
2008<br />
Socio-Economic<br />
Survey 2010<br />
66<br />
THE STATE OF THE WORLD’S CHILDREN <strong>2013</strong>: <strong>Children</strong> with Disabilities