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Table 2 Stress level and exposure in lux

From: Ill-lighting syndrome: prevalence in shift-work personnel in the anaesthesiology and intensive care department of three Italian hospitals

stress

<700

1000–1500

> 1500

total

none

0

6

4

10

medium

13

21

8

42

high

11

17

2

30

total

24

44

14

82

  1. Chi = 8.8 DF = 4 p n.s.; Missing n = 52