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Table 1 Sample characteristics

From: An exploration of the dynamic longitudinal relationship between mental health and alcohol consumption: a prospective cohort study

 

n

% or mean ± SD

MCS

  

 Phase 5

6,330

51.1 ± 9.4

 Phase 7

5,436

52.4 ± 8.8

 Phase 9

5,195

53.8 ± 8.0

UK units of alcohol

  

 Phase 5

6,330

14.6 ± 15.2

 Phase 7

5,508

13.0 ± 13.0

 Phase 9

5,215

11.1 ± 11.3

Age, years

6,330

55.8 ± 6.0

Sex

  

 Male

4,594

72.6

 Female

1,736

27.4

 Total

6,330

 

Ethnicity

  

 White

5,966

94.25

 Non-white

364

5.75

 Total

6,330

 

SES

  

 High

2,852

45.3

 Intermediate

2,731

43.4

 Low

713

11.3

 Total

6,296

 

Marital status

  

 Married/cohabiting

4,861

79.6

 Other

1,248

20.4

 Total

6,109

 

Education

  

 University

2,176

36.4

 Post-secondary

1,648

27.5

 Secondary

1,558

26.0

 No qualifications

604

10.1

 Total

5,986

 

Economic activity

  

 Active

4,123

65.2

 Inactive

2,203

34.8

 Total

6,326

 

Current smoker

  

 No

5,539

89.4

 Yes

654

10.6

 Total

6,193

 

Problem drinking (CAGE case)

  

 No

5,531

89.0

 Yes

684

11.0

 Total

6,215

 

Physical activity

  

 Active

3,405

54.16

 Moderately active

1,057

16.78

 Inactive

1,837

29.16

 Total

6,299

 

Network score

6,053

7.3 ± 3.0

CHD

  

 No

5,948

94.0

 Yes

382

6.0

 Total

6,330

 

Known diabetes

  

 No

6,076

96.0

 Yes

254

4.0

 Total

6,330

 

Anti-depressant medication

  

 No

6,149

97.3

 Yes

171

2.7

 Total

6,320

 

Poor self-reported physical health

  

 No

4,821

76.2

 Yes

1,509

23.8

 Total

6,330

 

Long-standing illness

  

 No

3,248

51.4

 Yes

3,075

48.6

 Total

6,323

 

Stroke

  

 No

6,301

99.5

 Yes

29

0.5

 Total

6,330

 

TIA

  

 No

6,287

99.3

 Yes

43

0.7

 Total

6,330

 

Resting heart rate > 80 bpm

  

 No

4,969

88.15

 Yes

668

11.85

 Total

5,637

 

BMI

4,916

26.1 ± 3.9

Serum cholesterol, mmol/l

5,622

5.9 ± 1.1

Blood pressure, mmHg

  

 Systolic

5,669

123.1 ± 16.4

 Diastolic

5,669

77.6 ± 10.6

  1. BMI, body mass index; bpm, beats per minute; CHD, coronary heart disease; MCS, mental health component score; SES, socioeconomic status; TIA, transient ischemic attack.