Figures (1)  Tables (7)
    • Figure 1. 

      Tunisian and Portuguese decision tree for purchase of irradiated strawberries.

    • TunisiaPortugal
      WorkforcePercentage (%)WorkforcePercentage (%)
      GenderFemale25063.541768.6
      Man14436.519131.4
      Age (years old)< 20112.830.5
      20−2920351.57312
      30−3911930.216126.5
      40−494310.914023
      50−6012310116.6
      > 6061.513021.4
      ProfessionSecondary student30.810.2
      University student12030.5304.8
      PhD/Postdoctoral researcher123223.6
      Unemployed graduate297.4142.3
      Domestic4181.3
      Retired828814.5
      Merchant/Trader/Self-employed51.3376.1
      Civil servant/employee (public or private)21354.140867.2
      Geographical areaCapital27970.839865.6
      North5313.5609.9
      South287.1284.6
      Center174.37211.8
      Living abroad174.3264.3
      Azores archipelago203.3
      Madeira archipelago40.7

      Table 1. 

      Respondents' characteristics.

    • TunisiaPortugal
      WorkforcePercentage (%)WorkforcePercentage (%)
      Yes22256.336939.3
      No17243.723960.7

      Table 2. 

      Number of answers to whether or not irradiated foods are known.

    • SourcesTunisiaPortugal
      Percentage of observations (%)Percentage of observations (%)
      Special event: exhibitions, fairs, scientific seminars8.224.1
      Internet or TV71.441.4
      Scientific papers or magazines21.444.3
      Places, points of sale: hypermarket, supermarket6.41.7
      In a course or training34.528.3

      Table 3. 

      Sources of information on food irradiation.

    • CountryPublished survey on scientific journals with impact factor
      Population investigated
      (n)
      Percentage of people
      who do not know
      about irradiation (%)
      References
      North Africa
      TunisiaThis work (394)43.7This work
      European Union
      France
      PortugalThis work (608)60.7This work
      Italy39284.2[27]
      Other Countries
      Korea70018[31]
      Chili49776.5[30]
      Brazil168
      119
      58
      17
      [28]
      [32]
      Canada36[33]
      USA16032[34]

      Table 4. 

      Published surveys on food irradiation in the period year 1992−2022.

    • TunisiaPortugal
      WorkforcePercentage
      (%)
      WorkforcePercentage
      (%)
      Yes5713.1508.2
      No100237211.8
      I don't know
      (maybe without
      noticing)
      27763.848679.9

      Table 5. 

      Question concerning the population of Tunisia and Portugal's consumption of irradiated food.

    • Do you think that the consumption of irradiated products presents a health risk?
      TunisiaPortugal
      YesNoI do not knowYesNoI do not know
      Workforce and percentage included in: Does it make you want to consume irradiated food?Yes2643731014067
      18.3%30.3%51.4%4.6%64.5%30.9%
      No12524076342
      74.9%1.2%24.0%62.8%2.5%34.7%
      I do not know2815423324213
      32.9%17.6%49.4%12.2%8.9%78.9%

      Table 6. 

      Cross table: Desire to consume irradiated food considering health risk.

    • Price difference
      TunisiaPortugal
      YesNoYesNo
      Would you be tempted to buy irradiated strawberries
      offered on the market
      Yes552311610
      70.5%29.5%92.1%7.90%
      Maybe771074556
      41.8%58.2%44.6%55.4%
      No2810429289
      21.2%78.8%76.6%23.4%

      Table 7. 

      Cross table: Desire to buy irradiated strawberries offered on the market considering different prices.