For example, a nonsmoker who is married to a smoker has a 30 - percent greater risk of developing lung cancer than if he or she were married to a nonsmoker.
Näiteks ähvardab mittesuitsetajat, kelle abikaasa on suitsetaja, 30 protsenti suurem risk haigestuda kopsuvähki kui inimest, kelle abikaasa ei suitseta.