english: That is, until dividing the participants by age group showed that the nonsmokers  were significantly older on average, and thus, more likely to die during the trial period, precisely because they were living longer in general.
non_english: Sve dok učesnici u istraživanju nisu podeljeni po starosnim grupama, tada se pokazalo da su nepušači u proseku značajno stariji i stoga je bila veća verovatnoća da će da umru tokom istraživanja, baš zbog toga što su inače živeli duže.