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Table 2 Descriptive statistic of the included variables by the menopausal status

From: Environmental and personal factors for osteoporosis or osteopenia from a large health check-up database: a retrospective cohort study in Taiwan

  Menopause    Non-menopause  
  Normal low BMD Total Normal low BMD Total
Characteristics (N = 13,417) (N = 8788) (N = 22,205) (N = 70,116) (N = 2446) (N = 72,562)
Age (years)
 Mean (SD) 56.9 (7.83) 62.5 (8.09) 59.1 (8.41) 35.9 (7.72) 38.9 (11.7) 36.0 (7.91)
Education
  < 9 yr 4591 (34.2%) 4715 (53.7%) 9306 (41.9%) 774 (1.1%) 190 (7.8%) 964 (1.3%)
 9 ~ 14 yr 4978 (37.1%) 2572 (29.3%) 7550 (34.0%) 14,195 (20.2%) 532 (21.7%) 14,727 (20.3%)
 14 ~ 16 yr 1643 (12.2%) 675 (7.7%) 2318 (10.4%) 15,771 (22.5%) 461 (18.8%) 16,232 (22.4%)
 16 ~ 18 yr 1750 (13.0%) 679 (7.7%) 2429 (10.9%) 30,318 (43.2%) 997 (40.8%) 31,315 (43.2%)
  >  = 18 yr 455 (3.4%) 147 (1.7%) 602 (2.7%) 9058 (12.9%) 266 (10.9%) 9324 (12.8%)
Smoking status
 no, secondhand smoker 13,002 (96.9%) 8571 (97.5%) 21,573 (97.2%) 65,182 (93.0%) 2260 (92.4%) 67,442 (92.9%)
 ever smoker and current smoker 415 (3.1%) 217 (2.5%) 632 (2.8%) 4934 (7.0%) 186 (7.6%) 5120 (7.1%)
Physical activity (intensity)
 light exercise 11,795 (87.9%) 7958 (90.6%) 19,753 (89.0%) 58,918 (84.0%) 2110 (86.3%) 61,028 (84.1%)
 mean exercise 1294 (9.6%) 663 (7.5%) 1957 (8.8%) 8932 (12.7%) 270 (11.0%) 9202 (12.7%)
 heavy or violent exercise 328 (2.4%) 167 (1.9%) 495 (2.2%) 2266 (3.2%) 66 (2.7%) 2332 (3.2%)
Sleep score
 Mean (SD) 6.49 (1.59) 6.39 (1.67) 6.45 (1.62) 6.85 (1.27) 6.78 (1.36) 6.85 (1.28)
Milk
 no; < 1 cup/wk 7222 (53.8%) 4534 (51.6%) 11,756 (52.9%) 37,214 (53.1%) 1329 (54.3%) 38,543 (53.1%)
  >  = 1 cup/wk 6195 (46.2%) 4254 (48.4%) 10,449 (47.1%) 32,902 (46.9%) 1117 (45.7%) 34,019 (46.9%)
Dairy
 no; < 1 slice of yogurt or cheese/wk 9250 (68.9%) 6477 (73.7%) 15,727 (70.8%) 37,661 (53.7%) 1385 (56.6%) 39,046 (53.8%)
  >  = 1 slice of yogurt or cheese/wk 4167 (31.1%) 2311 (26.3%) 6478 (29.2%) 32,455 (46.3%) 1061 (43.4%) 33,516 (46.2%)
Vegetarian
 Yes 723 (5.4%) 710 (8.1%) 1433 (6.5%) 1793 (2.6%) 102 (4.2%) 1895 (2.6%)
 No 12,694 (94.6%) 8078 (91.9%) 20,772 (93.5%) 68,323 (97.4%) 2344 (95.8%) 70,667 (97.4%)
BMI
 normal 6707 (50.0%) 5107 (58.1%) 11,814 (53.2%) 46,826 (66.8%) 1458 (59.6%) 48,284 (66.5%)
 underweight 324 (2.4%) 485 (5.5%) 809 (3.6%) 9724 (13.9%) 727 (29.7%) 10,451 (14.4%)
 overweight 3720 (27.7%) 2093 (23.8%) 5813 (26.2%) 8465 (12.1%) 186 (7.6%) 8651 (11.9%)
 obesity 2666 (19.9%) 1103 (12.6%) 3769 (17.0%) 5101 (7.3%) 75 (3.1%) 5176 (7.1%)
Waistline
 central obesity 3947 (29.4%) 2222 (25.3%) 6169 (27.8%) 6005 (8.6%) 139 (5.7%) 6144 (8.5%)
 normal 9470 (70.6%) 6566 (74.7%) 16,036 (72.2%) 64,111 (91.4%) 2307 (94.3%) 66,418 (91.5%)
Triglyceride
  >  = 150 mg/dl 3690 (27.5%) 2286 (26.0%) 5976 (26.9%) 5039 (7.2%) 187 (7.6%) 5226 (7.2%)
 normal 9727 (72.5%) 6502 (74.0%) 16,229 (73.1%) 65,077 (92.8%) 2259 (92.4%) 67,336 (92.8%)
Uric acid
 hyperuricemia 3574 (26.6%) 1913 (21.8%) 5487 (24.7%) 6314 (9.0%) 168 (6.9%) 6482 (8.9%)
 normal 9843 (73.4%) 6875 (78.2%) 16,718 (75.3%) 63,802 (91.0%) 2278 (93.1%) 66,080 (91.1%)
Walkability (park and elementary school; 1 km buffer)
 Mean (SD) 5.49 (6.66) 5.17 (6.39) 5.36 (6.56) 6.18 (7.09) 6.14 (6.98) 6.18 (7.09)
Solar radiation
 Mean (SD) 13.6 (1.70) 13.5 (1.62) 13.6 (1.67) 13.4 (1.62) 13.4 (1.56) 13.4 (1.61)