Table 1 Covariate values for cases and controls

From: Type I interferon signaling genes in recurrent major depression: increased expression detected by whole-blood RNA sequencing

Covariate name

Cases

Controls

P-value

 

Mean (s.d.)

(Case vs control)

Age at interview

44.77 (10.69)

44.64 (11.0)

NS

BMI

30.25 ( 7.74)

27.87 (6.45)

2.63E-07

Number of cigarettes per day

2.49 ( 6.76)

1.12 (4.55)

8.78E-06

Number of blood pressure meds

0.31 (0.66)

0.22 (0.53)

0.06

Current alcohol use

0.61 (0.78)

0.69 (0.76)

0.04

 

N (%)

 

N (cases or controls)

463

459

 

Female gender

360 (0.778)

288 (0.627)

4.08E-07

Ate before blood draw

323 (0.698)

339 (0.739)

NS

Exercised before blood draw

74 (0.160)

92 (0.200)

0.064

Smoked before blood draw

67 (0.145)

34 (0.074)

4.01E-04

ACE inhibitor

36 (0.078)

30 (0.065)

NS

Anticholinergic meds

23 (0.050)

12 (0.026)

0.044

Antihistaminic meds

60 (0.130)

39 (0.085)

0.018

Beta blocker

44 (0.095)

14 (0.031)

3.45E-05

Cholesterol lowering meds

64 (0.138)

50 (0.109)

NS

Decongestant

41 (0.089)

10 (0.022)

4.94E-06

Decongestant or stimulant

52 (0.112)

10 (0.022)

1.27E-08

Diuretic

29 (0.063)

25 (0.054)

NS

Non-steroidal antiinflammatory

46 (0.099)

19 (0.041)

4.05E-04

Oral hypoglycemic

30 (0.065)

16 (0.035)

0.026

Oral contraceptive

45 (0.097)

39 (0.085)

NS

Protein pump inhibitor

52 (0.112)

32 (0.070)

0.016

Thyroid medication

54 (0.117)

34 (0.074)

0.018

Opiate medication or use

46 (0.099)

9 (0.020)

1.18E-07

Cannabis use (past 2 weeks)

23 (0.050)

9 (0.020)

9.61E-03

  1. Abbreviations: ACE, angiotensin converting enzyme; BMI, body mass index; NS, not significant.