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Table 1 Distribution of the subjects according to major demographic, work-related and lifestyle factors, road distance from resident commune’s centre and population density of the subject’s resident grid

From: Body mass index and overweight in relation to residence distance and population density: experience from the Northern Finland birth cohort 1966

Demographic, work-related and lifestyle factors

No. (%) of subjects

Road distance (km)

Population density (inhabitants/km2)

   

P50

P95

P50

P95

Sex

      

  Men

2550

(47.5)

4.2

28.1

678

4506

  Women

2813

(52.5)

4.1

26.0

719

5181

   Total

5363

(100.0)

4.1

27.3

712

4986

Marital status

      

  Married/cohabiting

3789

(72.4)

4.3

25.4

597

4188

  Other

1444

(27.6)

3.6

31.4

1037

6823

   Total

5233

(100.0)

4.1

27.3

713

4986

Region of residence

      

  City of Oulu

1121

(21.0)

4.9

9.8

1537

4325

  Rest of northern Finland

3447

(64.5)

3.3

32.6

306

2267

  Helsinki metropolitan area

774

(14.5)

7.3

17.6

3093

10899

   Total

5342

(100.0)

4.1

27.3

712

4986

Occupational class

      

  Office worka

2049

(42.9)

4.1

21.6

949

5696

  Industryb

1193

(25.0)

3.8

28.7

538

4325

  Agriculturec

329

(6.9)

11.2

50.7

27

1076

  Health/social work

806

(16.9)

3.8

19.4

881

4839

  Business

404

(8.5)

3.7

19.9

933

4363

   Total

4781

(100.0)

4.2

29.4

525

4325

Socio-economic group

      

  Entrepreneurs

357

(6.9)

7.4

42.2

46

2816

  Higher administrative

988

(19.0)

4.2

15.9

1361

6566

  Lower administrative

1877

(36.1)

3.8

21.2

799

5176

  Blue collar workers

1702

(32.7)

4.1

31.2

507

3765

  Otherd

274

(5.3)

3.7

29.0

960

5181

   Total

5198

(100.0)

4.1

27.2

716

5075

Education

      

  University

546

(10.0)

4.2

14.4

1515

7178

  College/polytechnic

1835

(34.9)

3.9

19.7

911

5181

  Vocational school/course

1872

(35.6)

4.4

31.9

435

3754

  No vocational school

1026

(19.5)

4.0

27.7

614

4325

   Total

5259

(100.0)

4.1

27.3

710

4986

Occupational physical activity

      

  Sedentary work

1637

(41.3)

4.3

18.2

1102

5884

  Light standing or moving work

670

(16.9)

3.6

20.0

911

5181

  Medium heavy moving work

858

(21.6)

4.2

28.1

539

4663

  Heavy/very heavy manual work

799

(20.2)

4.8

31.4

368

4043

   Total

3964

(100.0)

4.3

24.5

747

5181

Leisure-time physical activity e (quintiles, MET-hours per week)

      

  0–2.7

1020

(19.7)

4.4

28.0

506

4362

  2.8–7.7

1046

(20.2)

4.5

26.9

610

4736

  7.8–14.1

1046

(20.2)

4.0

24.4

845

5181

  14.2–25.0

1030

(19.9)

3.9

23.6

942

5181

  25.1–84.0

1034

(20.0)

3.7

28.9

713

5075

   Total

5176

(100.0)

4.1

27.1

717

5075

Diet f

      

  Healthy

4758

(88.7)

4.1

27.0

717

5075

  Unhealthy

605

(11.3)

4.0

29.1

640

4329

   Total

5363

(100.0)

4.1

27.3

712

4986

Alcohol consumption (quartiles, grams per day)

      

  0.0–1.0

1288

(24.9)

4.3

32.6

392

3625

  1.1–4.0

1282

(24.8)

4.2

25.7

637

4325

  4.1–10.4

1305

(25.2)

4.1

24.2

884

4964

  10.5–531

1298

(25.1)

3.8

22.3

971

6628

   Total

5173

(100.0)

4.1

27.3

710

4986

Smoking

      

  On 5–7 days/week

1443

(27.4)

3.6

24.4

713

4325

  On 4 days/week at mostg

690

(13.1)

4.2

25.9

926

5619

  Not at all

3128

(59.5)

4.3

27.8

640

5181

   Total

5261

(100.0)

4.1

27.3

713

4986

All

5363

 

4.1

27.3

712

4986

  1. aOffice work, administration, services.
  2. bTransport, construction, factory work.
  3. cFarming, forestry, stock raising.
  4. dStudents, pensioners, unemployed or socioeconomic group unknown.
  5. eSee text for explanation.
  6. fDiet including daily or almost daily consumption of sausages, and consumption of rye or crisp read, fresh vegetables, roots or salads, fruits or berries twice a week or less often, one point being assigned on each of these counts, so that a sum of 4 to 5 points indicated an unhealthy diet and 3 or fewer a healthy diet.
  7. gSmokes on 1–4 days/week or only occasionally.