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Table 2 Study participants’ activity in sports

From: High-impact exercise in adulthood and vertebral dimensions in midlife - the Northern Finland Birth Cohort 1966 study

  At age 31 At age 46
Men
(n = 459)
Women
(n = 564)
Men
(n = 459)
Women
(n = 564)
Walkinga
  Non-participant 53.8 (247) 29.6 (167) 43.8 (201) 26.2 (148)
  Participant 46.2 (212) 70.4 (397) 56.2 (258) 73.8 (416)
Cyclinga
  Non-participant 50.5 (232) 38.7 (218) 65.1 (299) 48.6 (274)
  Participant 49.5 (227) 61.3 (346) 34.9 (160) 51.4 (290)
Cross-country skiinga
  Non-participant 79.1 (363) 84.0 (474) 73.2 (336) 74.3 (419)
  Participant 20.9 (96) 16.0 (90) 26.8 (123) 25.7 (145)
Swimminga
  Non-participant 92.6 (425) 90.4 (510) 93.2 (428) 89.2 (503)
  Participant 7.4 (34) 9.6 (54) 6.8 (31) 10.8 (61)
Runninga,b
  Non-participant 77.6 (356) 86.3 (487) 76.7 (352) 82.3 (464)
  Participant 22.4 (103) 13.7 (77) 23.3 (107) 17.7 (100)
Gym traininga
  Non-participant 83.2 (382) 90.6 (511) 79.7 (366) 75.9 (428)
  Participant 16.8 (77) 9.4 (53) 20.3 (93) 24.1 (136)
Aerobicsa, b
  Non-participant 99.6 (457) 84.4 (476) 99.3 (456) 90.1 (508)
  Participant 0.4 (2) 15.6 (88) 0.7 (3) 9.9 (56)
Gymnasticsa
  Non-participant 93.5 (429) 78.9 (445) 92.8 (426) 76.8 (433)
  Participant 6.5 (30) 21.1 (119) 7.2 (33) 23.2 (131)
Badminton/volleyball/tennis/ squasha, b
  Non-participant 83.9 (385) 91.1 (514) 94.3 (433) 94.1 (531)
  Participant 16.1 (74) 8.9 (50) 5.7 (26) 5.9 (33)
Floor ball/ice hockey/soccer/rink ball/basketballa, b
  Non-participant 79.5 (365) 99.1 (559) 85.4 (392) 98.2 (554)
  Participant 20.5 (94) 0.9 (5) 14.6 (67) 1.8 (10)
  1. aPer cent (n)
  2. bClassified as high-impact