Table 1

Sociodemographic and clinical characteristics of participants with and without stroke at baseline in the Anhui cohort study, China

VariableStrokeNon-strokep Value
n=167(%)n=2811(%)
Age (years)
 Mean (SD)73.4(7.0)71.7(6.9)0.002
Sex
 Women9053.9145651.80.598
 Men7746.1135548.2
Body mass index (BMI) (kg/m2)
Cut-off point
 ≤2511267.1195869.60.718
 26–294828.775927.0
 ≥3074.2943.3
Socioeconomic status
Educational level
 College1911.42759.80.512
 High secondary school1911.437913.5
 Secondary school2615.637713.4
 Primary school159.035512.6
 Illiterate8852.7142550.7
Main occupation
 Officer/teacher1710.22258.00.330
 Business/other (house wife)5633.587331.0
 Manual labourer2615.637413.3
 Peasant6840.7133947.7
Annual income*
 High*9456.3142250.60.152
 Low*7343.7138949.4
Urban/rural
 Urban10361.7144651.40.010
 Rural6438.3136548.6
Social network and support and mental status
Marital status
 Married12675.4203672.40.696
 Never married/divorced63.61154.1
 Widowed3521.066023.5
Living with
 Somebody15894.6250689.10.026
 Alone95.430510.9
Cardiovascular risk factors and mental status
Smoking
 Never-smoking8669.4142060.00.063
 Ex-smoking108.11727.3
 Current-smoking2822.627332.7
Alcohol drinking in the last 2 years
 No15894.6225880.3<0.001
 Yes95.455319.7
Hypertension (blood pressure ≥140/90 mm Hg or taking antihypertensive drugs)
 No4627.5119442.5<0.001
 Undetected hypertension4024.090332.1
 Untreated hypertension127.21535.4
 Uncontrolled hypertension4728.143815.6
 Controlled hypertension2213.21234.4
Hypercholesterolaemia
 No14385.6262593.4<0.001
 Yes2414.41866.6
Angina
 No15492.2275097.80.001
 Yes137.8612.2
Heart disease
 No13077.8241085.70.005
 Yes3722.240114.3
Diabetes
 No15089.8265994.60.010
 Yes1710.21525.4
GMS-AGECAT diagnosis
 ‘Well’9858.7211875.3<0.001
 Depression-subcase116.6933.3
 Depression-case1810.81103.9
 Dementia-subcase169.629110.4
 Dementia-case2414.41997.1
  • *Low level of income was defined as those having a serious financial problem in the last 2 years or a poor annual income, while a high level of income included those who were not in the low level of income.