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. 2022 Apr 5;10:810185. doi: 10.3389/fpubh.2022.810185

Table 1.

Definitions and coding schema for patients with stroke' sociodemographic variables.

Variables Definitions and coding schema
Age <55 = 1; 55~= 2; ≥65 = 3
Sex Male = 1; Female = 2
Marital status Categorized as married/cohabiting and widowed/unmarried/divorced/separated
married/cohabiting = 1; widowed/unmarried/divorced/separated = 2
Spouse Defined as whether a patient with stroke was accompanied by a spouse and categorized as yes or no
No = 0; Yes = 1
Educational level Categorized as illiterate, primary school, junior high school, or above
Illiterate = 1; Primary school = 2; Junior high school and above = 3
Per capita monthly actual income Categorized as < $72 (US dollars), $72 ~ $143, and >$143
<72 = 1; 72~= 2; ≥143 = ~3
Smoking status Defined as at least one cigarette per day for the previous 6 months
Never = 0; Current = 1; Former = 2
Drinking status Defined as alcohol consumption 12 times per year
Never = 0; Current = 1; Former = 2
Duration of illness (years) Defined as how long since the first stroke and categorized as <1, ≥1 to <3, ≥3 to <5, or ≥5 years
<1 year = 1; ≥1 to <3 years = 2, ≥3 to <5 years = 3, or ≥5 years = 4