An unspecified majority of Poles prefer using plastic credit cards, the Polish Web site, thenews.pl, reported Wednesday.
The prime minister recently admitted his monthly salary is paid to his mother's bank account.
The poll -- commissioned by the Open Finance consulting firm and conducted by the market research firm Acxiom Polska -- suggested security was the most important factor for those who decided to use credit cards.
Bank reliability and proximity to the nearest bank office are two major criteria Poles take into account when deciding on their banking preferences.
Younger respondents with university education, managers, experts and students said banks should offer account access through the Internet and over the telephone.
The poll surveyed two respondent groups of 18,000 and 66,000 people ages 18 and older, the Web site said. It offered no details on the poll's margin of error.