diffvision: Difficulty with vision

Description

diffvision indicates whether the respondent was blind or had serious difficulty seeing even when wearing glasses.

Availability

Sample	Years
Basic	2009m1 - present
ORG	2008m6 - present

Values

Value	Label
0	Doesn't experience difficulty
1	Experiences difficulty

Code

Variable creation

********************************************************************************
* Blind or difficulty with vision
********************************************************************************
gen byte diffvision = .

if $monthlycps == 1 {
    if tm(2009m1) <= $date {
        replace diffvision = 0 if pediseye == 2
        replace diffvision = 1 if pediseye == 1
    }
}

label var diffvision "Difficulty with vision"
#delimit ;
lab def diffvision 
0 "Doesn't experience difficulty"
1 "Experiences difficulty"
;
#delimit cr
lab val diffvision diffvision
notes diffvision: 2008m6-present Basic: pediseye