Skip to main content
. 2018 Jun 19;15(6):e1002581. doi: 10.1371/journal.pmed.1002581

Table 2. Sample characteristics.

Characteristic Females Males
n 420,691 376,849
Cardiovascular risk factors
Age group
    30–34 years 72,262 (17.2%) 57,874 (15.4%)
    35–39 years 71,458 (17.0%) 56,575 (15.0%)
    40–44 years 64,453 (15.3%) 55,851 (14.8%)
    45–49 years 55,589 (13.2%) 50,610 (13.4%)
    50–54 years 49,350 (11.7%) 44,312 (11.8%)
    55–59 years 37,064 (8.8%) 36074 (9.6%)
    60–64 years 31,893 (7.6%) 32,639 (8.7%)
    65–69 years 23,553 (5.6%) 25,197 (6.7%)
    70–74 years 15,069 (3.6%) 17,717 (4.7%)
    Missing 0 (0.0%) 0 (0.0%)
Mean BMI in kg/m2 (SD) 22.6 (4.8) 22.3 (4.1)
    Missing 0 (0.0%) 0 (0.0%)
BMI
    <18.5 kg/m2 72,882 (17.3%) 59,100 (15.7%)
    18.5–22.9 kg/m2 183,441 (43.6%) 176,857 (46.9%)
    23.0–24.9 kg/m2 63,412 (15.1%) 64,810 (17.2%)
    25.0–29.9 kg/m2 74,037 (17.6%) 61,241 (16.3%)
    ≥30.0 kg/m2 26,919 (6.4%) 14,841 (3.9%)
High blood glucose1 42,066 (10.0%) 40,444 (10.7%)
    Missing 0 (0.0%) 0 (0.0%)
Current smoking 10,992 (2.6%) 102,182 (27.1%)
    Missing 0 (0.0%) 0 (0.0%)
Mean systolic BP in mm Hg (SD) 126.7 (21.3) 129.1 (19.7)
    Missing 0 (0.0%) 0 (0.0%)
Systolic BP
    <120 mm Hg 168,890 (40.1%) 118,408 (31.4%)
    120–129 mm Hg 93,055 (22.1%) 92,742 (24.6%)
    130–139 mm Hg 66,204 (15.7%) 75,475 (20.0%)
    140–179 mm Hg 81,570 (19.4%) 82,312 (21.8%)
    ≥180 mm Hg 10,972 (2.6%) 7,912 (2.1%)
Current treatment for hypertension 9,758 (2.3%) 6,501 (1.7%)
    Missing 0 (0.0%) 0 (0.0%)
Sociodemographic characteristics
Educational attainment
    <Primary school 236,555 (56.4%) 128,183 (34.1%)
    Primary school 50,585 (12.1%) 51,021 (13.6%)
    Middle school 50,218 (12.0%) 61,050 (16.3%)
    Secondary school 40,320 (9.6%) 59,369 (15.8%)
    High school 19,675 (4.7%) 32,860 (8.7%)
    >High school 22,139 (5.3%) 43,169 (11.5%)
    Missing 1,199 (0.3%) 1,197 (0.3%)
Urban area 136,426 (32.4%) 121,112 (32.2%)
    Missing 0 (0.0%) 0 (0.0%)
Household wealth quintile
    Missing 14 (0.0%) 10 (0.0%)

Values are number (percent) unless otherwise indicated.

1This also includes respondents who had a normal blood glucose but reported being on treatment for diabetes.

BMI, body mass index; BP, blood pressure; SD, standard deviation.