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Table 5 Differences in intake of food items that rich in vitamin D between cases and controls

From: Knowledge and attitudes about vitamin D, and behaviors related to vitamin D in adults with and without coronary heart disease in Saudi Arabia

Food items

Cases

Controls

Mann-Whitney U

Z-value

P-value*

Median

Range

Median

Range

Milk

0.50

0–3

0.28

0–3

9700.5

-3.701

.001

Butter

0

0–1

0

0–2

10157.0

-4.018

.001

Eggs

0.28

0–1

0.28

0–1

12205.5

-0.581

.561

Oily fish

0

0–1

0.14

0–2

10399.0

-2.877

.004

Liver

0

0–1

0

0–0.79

10700.5

-2.978

.003

  1. * P-value based on Mann-Whitney U test