Table 3 Meal frequency and differences before and during the COVID-19 pandemic

Breakfast

  Mean days/week at baseline

4.4

5.6

5.0

4.2

5.2

  Mean difference in days (95% CI) from baseline to FU1

0.1

(-0.0, 0.2)

0.1

(-0.0, 0.2)

-0.0

(-0.3, 0.2)

0.2

(0.0, 0.3)

-0.0

(-0.2, 0.2)

  Mean difference in days (95% CI) from baseline to FU2

0.2

(0.1, 0.3)

0.1

(0.0, 0.3)

0.1

(-0.2, 0.4)

0.2

(0.0, 0.4)

0.1

(-0.0, 0.3)

Morning snack

  Mean days/week at baseline

2.0

2.5

2.1

2.0

2.0

  Mean difference in days (95% CI) from baseline to FU1

-0.2

(-0.2, -0.1)

-0.3

(-0.5, -0.1)

-0.0

(-0.3, 0.2)

-0.2

(-0.4, -0.1)

-0.2

(-0.4, -0.0)

  Mean difference in days (95% CI) from baseline to FU2

-0.4

(-0.5, -0.2)

-0.4

(-0.6, -0.2)

-0.2

(-0.5, 0.1)

-0.3

(-0.5, -0.1)

-0.4

(-0.6, -0.2)

Lunch

  Mean days/week at baseline

5.5

6.3

6.3

5.4

6.2

  Mean difference in days (95% CI) from baseline to FU1

-0.2

(-0.2, -0.1)

-0.1

(-0.3, -0.0)

-0.2

(-0.3, 0.0)

-0.2

(-0.3, -0.1)

-0.1

(-0.2, 0.1)

  Mean difference in days (95% CI) from baseline to FU2

-0.2

(-0.3, -0.0)

-0.2

(-0.3, -0.0)

-0.1

(-0.3, 0.1)

-0.2

(-0.3, -0.0)

-0.2

(-0.3, 0.0)

Afternoon snack

  Mean days/week at baseline

2.9

3.3

3.0

3.1

2.7

  Mean difference in days (95% CI) from baseline to FU1

-0.1

(-0.2, 0.0)

-0.1

(-0.2, 0.1)

-0.2

(-0.5, 0.1)

-0.1

(-0.2, 0.1)

-0.1

(-0.3, 0.1)

  Mean difference in days (95% CI) from baseline to FU2

-0.4

(-0.5, -0.2)

-0.4

(-0.5, -0.2)

-0.4

(-0.7, -0.1)

-0.5

(-0.7, -0.3)

-0.2

(-0.5, -0.0)

Dinner

  Mean days/week at baseline

6.3

6.6

6.7

6.3

6.7

  Mean difference in days (95% CI) from baseline to FU1

-0.1

(-0.2, -0.0)

-0.1

(-0.2, -0.0)

-0.1

(-0.3, 0.1)

-0.1

(-0.2, 0.0)

-0.2

(-0.3, -0.1)

  Mean difference in days (95% CI) from baseline to FU2

-0.1

(-0.2, -0.0)

-0.1

(-0.2, -0.0)

-0.1

(-0.3, 0.1)

-0.1

(-0.2, 0.0)

-0.2

(-0.3, -0.1)

Evening snack

  Mean days/week at baseline

3.1

2.7

3.2

3.1

2.7

  Mean difference in days (95% CI) from baseline to FU1

0.1

(0.0, 0.3)

0.2

(0.0, 0.3)

0.1

(-0.2, 0.4)

0.1

(-0.1, 0.3)

0.2

(-0.0, 0.4)

  Mean difference in days (95% CI) from baseline to FU2

0.1

(-0.0, 0.3)

0.2

(-0.0, 0.3)

0.1

(-0.2, 0.4)

0.1

(-0.1, 0.3)

0.2

(-0.0, 0.4)

Other meal 1

  Mean days/week at baseline

1.0

1.1

1.3

1.0

1.1

  Mean difference in days (95% CI) from baseline to FU1

0.1

(-0.1, 0.2)

0.1

(-0.1, 0.2)

-0.0

(-0.3, 0.3)

-0.1

(-0.2, 0.1)

0.2

(-0.0, 0.4)

  Mean difference in days (95% CI) from baseline to FU2

0.0

(-0.1, 0.2)

0.1

(-0.1, 0.2)

-0.1

(-0.4, 0.1)

-0.1

(-0.2, 0.1)

0.1

(-0.1, 0.3)

Other meal 2

  Mean days/week at baseline

0.5

0.6

0.7

0.5

0.5

  Mean difference in days (95% CI) from baseline to FU1

0.2

(0.0, 0.3)

0.1

(0.0, 0.3)

0.2

(-0.1, 0.4)

0.1

(-0.1, 0.2)

0.2

(0.1, 0.4)

  Mean difference in days (95% CI) from baseline to FU2

0.1

(-0.0, 0.2)

0.1

(-0.0, 0.2)

0.1

(-0.1, 0.4)

0.0

(-0.1, 0.2)

0.2

(-0.0, 0.3)