Table 2

Demographic and clinical variables

Parents/patientsFrequency
AS, aortic stenosis; ASD, atrial septal defect; AVSD, atrioventricular septal defect; PDA, patent ductus arteriosus; PS, pulmonary stenosis; TGA, transposition of great arteries; TOF, tetralogy of Fallot; VSD, ventricular septal defect.
Parents Father Mother
Responder44 (28.2%)112 (71.8%)
Occupational status
    Professionals17 (10.9%)14 (9.0%)
    Administrators and managers25 (16.0%)6 (3.8%)
    Skilled workers67 (42.9%)30 (19.2%)
    Service workers15 (9.6%)10 (6.4%)
    Unskilled workers22 (14.1%)7 (4.5%)
    Unemployed10 (6.4%)88 (56.4%)
Educational level
    Primary or below27 (17.3%)28 (17.9%)
    Secondary109 (69.9%)113 (72.4%)
    Tertiary non-degree3 (1.9%)6 (3.8%)
    Tertiary degree17 (10.9%)9 (5.8%)
Patients
Sex
    Male78 (50.0%)
    Female78 (50.0%)
Diagnosis
    VSD52(33.3%)
    TOF35 (22.4%)
    ASD26 (16.7%)
    PDA14 (9.0%)
    PS13 (8.3%)
    TGA8 (5.1%)
    AVSD7 (4.5%)
    AS1 (0.6%)
Current medication
    Yes25 (16.0%)
    No131 (84.0%)
Previous operation or interventional catheterisation
    Yes101 (64.7%)
    No55 (35.3%)
Associated diseases
    Yes36 (23.1%)
    No120 (76.9%)
Family history of congenital heart disease
    Yes24 (15.4%)
    No132 (84.6%)
History of infective endocarditis
    Yes0 (0.0%)
    No156 (100.0%)