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Table 2 Results of analysis of covariance (ANCOVA) models between selenium levels and depressive symptoms measured by GDS score adjusting for other factors (n = 1735) a

From: Selenium level and depressive symptoms in a rural elderly Chinese cohort

 

Without Cognitive Score

With Cognitive Score

Variable

Estimate

Std Err

p-value

Estimate

Std Err

p-value

Age, years

0.10

0.03

0.0002

−0.00

0.03

0.8688

Attended school vs no school

−1.40

0.29

<0.0001

−0.41

0.29

0.1681

Live alone

1.37

0.35

0.0001

1.53

0.34

<0.0001

Ever drink alcohol

−0.97

0.29

0.0009

−0.74

0.28

0.0093

Body mass index

−0.12

0.04

0.0012

−0.05

0.04

0.1470

History of stroke

1.96

0.86

0.0223

1.62

0.83

0.0500

History of heart attack

3.31

0.80

<0.0001

3.55

0.77

<0.0001

History of head injury

2.74

0.72

0.0001

2.49

0.69

0.0003

History of fracture

3.00

1.05

0.0042

2.36

1.01

0.0190

Selenium, μg/g

−1.66

0.77

0.0321

−0.93

0.75

0.2143

Composite cognitive z-score

   

−0.38

0.20

<0.0001

  1. a Two subjects had missing information on history of stroke.
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BMC Psychiatry

ISSN: 1471-244X

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