Table 6 Relative proportions (i.e., prevalence ratios) of the number of correct answers for 11 food safety knowledge questions, with 95 % Confidence Intervals (CIs), for the significant demographic and food skills predictors (n = 485); significant predictors are shown in bold

Age (in years)

1.02

0.045

1.00 ^a , 1.05

Male sex (female = referent)

0.98

0.248

0.94, 1.02

Faculty of Science (all other Faculties = referent)

1.06

<0.001

1.04, 1.07

Male Sex*Faculty of Science

1.13

<0.001

1.07, 1.19

Is a current food handler

1.11

0.010

1.02, 1.19

Works or volunteers in a hospital

0.91

0.040

0.84, 1.00

 A few times a year

0.95

0.033

0.91, 1.00

 A few times a month or more

0.96

0.237

0.90, 1.03

 Has ever taken a previous food course

1.58

<0.001

1.39, 1.79

 Can cook the basics from scratch (e.g., boil an egg)

1.15

0.098

0.98, 1.34

 Can prepare simple meals from a recipe

1.33

0.003

1.10, 1.60

 Can cook almost anything

1.44

<0.001

1.18, 1.76

 Can cook the basics from scratch (e.g., boil an egg)

0.68

0.002

0.53, 0.86

 Can prepare simple meals from a recipe

0.65

<0.001

0.57, 0.75

 Can cook almost anything

0.61

<0.001

0.55, 0.69