Paper: Low Melatonin in Shift Workers

Question 1

What did this study find?

Answer 1

• women with rotating night shift had higher estradiol and progesterone levels

Question 2

What was seen in figure 1 comparing melatonin in day and rotating night shift workers?

Answer 2

• day shift workers has increased melatonin during the night

Question 3

What are the two models used?

Answer 3

• Model 1: adjusted for age, BMI and smoking

- Model 2: adjusted for other sex hormones and any found confounding factors from model 1