highly significantp<0.001
In Figures 2A-2C , cessation intentions form an inverted U-shape, peaking at the age of 35 years (POR=1.111; 95% CI: 1.105–1.116) and declining thereafter, falling below unity after the age of 50 years and reaching 0.880 (95% CI: 0.876–0.885) by the age of 70 years (a 23.1% drop from the peak) all highly significant (p<0.001).