Table 1.

Demographic characteristics of the study sample at baseline (n = 1,044).

Parameter	n (%)
Gender, n (%) • Male • Female	197 (18.9%) 847 (81.1%)
Age, n (%) • <18 years • 18–29 years old • 30–39 years old • 40–49 years old • 50–59 years old • ≥60 years	8 (0.8%) 367 (35.2%) 391 (37.5%) 206 (19.7%) 56 (5.4%) 16 (1.5%)
Marital Status, n (%) • Married • Single • Divorced • Widowed	639 (61.2%) 359 (34.4%) 38 (3.6%) 8 (0.8%)
Living place, n (%) • Amman (the Capital) • Other cities	826 (79.1%) 218 (20.9%)
Nationality, n (%) • Jordanian • Non-Jordanian	979 (93.8%) 65 (6.2%)
Educational level, n (%) • Primary school • High school • Diploma • Bachelor’s degree • Postgraduate degree (Master’s or PhD)	8 (0.8%) 57 (5.5%) 81 (7.8%) 686 (65.7%) 212 (20.3%)
Profession, n (%) • Employed • Unemployed • Retired	560 (53.6%) 453 (43.4%) 31 (3.0%)
Smoker, n (%) • Yes • No • Previous smoker	320 (30.7%) 696 (66.7%) 28 (2.7%)