Basic characteristics of the Italian observatory epidemiological cardiovascular/Health Examination Survey 2008–2012 (N=3857)
| Age (year) | 56.5 (12.5) |
| Sex (%) | |
| Female | 49.1 |
| Male | 50.9 |
| Height (cm) | 164.1 (10.0) |
| Weight (kg) | 74.3 (15.2) |
| BMI (kg/m2) | 27.6 (5.0) |
| SBP (mm Hg) | 131.7 (19.0) |
| DBP (mm Hg) | 81.2 (10.3) |
| Smoking habit (%) | |
| Current | 20.2 |
| Former | 30.0 |
| Never | 49.8 |
| Alcohol consumption(g/day)* | 10.5 (5.4) |
| Education (%) | |
| University degree | 14.6 |
| High school | 33.7 |
| Junior high school | 28.0 |
| Primary school or equivalent | 23.7 |
| Occupation (%) | |
| Top managerial occupations | 14.8 |
| White collars/civil servants | 23.3 |
| Low managerial occupations | 2.7 |
| High-skill workers | 25.0 |
| Low-skill workers | 20.3 |
| Housewife | 13.8 |
| Marital status (%) | |
| Married/cohabitant | 77.0 |
| Single | 10.1 |
| Separated/divorced | 5.5 |
| Widowed | 7.3 |
| Physical activity at work (%) | |
| Inactive | 31.8 |
| Mildly active | 44.1 |
| Moderately active | 18.9 |
| Vigorously active | 5.2 |
| Hypertension (%) | |
| No | 50.5 |
| Yes | 49.5 |
| 24 h Na (mmol/day) | 154.1 (83.8) |
| 24 h K (mmol/day) | 57.6 (23.8) |
| 24 h Cr (mg/day) | 10.5 (5.4) |
| Sample by region (%) | |
| Abruzzo | 5.2 |
| Basilicata | 4.0 |
| Calabria | 4.9 |
| Campania | 5.1 |
| Emilia-Romagna | 4.8 |
| Friuli-Venezia Giulia | 4.8 |
| Lazio | 5.1 |
| Liguria | 5.3 |
| Lombardia | 5.4 |
| Marche | 5.0 |
| Molise | 5.0 |
| Piemonte | 5.2 |
| Puglia | 5.0 |
| Toscana | 5.5 |
| Trentino-Alto Adige | 5.6 |
| Umbria | 4.7 |
| Val d'Aosta | 4.6 |
| Veneto | 5.4 |
| Sardegna | 4.7 |
| Sicilia | 5.0 |
*Alcohol consumption and urinary electrolytes were shown as median (IQR).
BMI, body mass index; Cr, urinary creatinine; DBP, diastolic blood pressure; Na, urinary sodium; SBP, systolic blood pressure.