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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.