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Table 1 Baseline characteristics of the selected study subjects according to smoking status.

From: Smoking cessation, alcohol intake and transient increase in the risk of metabolic syndrome among Japanese smokers at one health checkup institution

  Non-quitter Quitter
  Men Women Total Men Women Total
   n 4967 347 5314 512 46 558
   Age a 50.2 ± 8.6 49.4 ± 8.1 50.1 ± 8.6 51.5 ± 9.2 50.1 ± 8.3 51.4 ± 9.1
Lifestyle behaviors       
   Habitual drinkers 3765 (75.8%) 174 (50.1%) 3939 (74.1%) 379 (74.0%) 16 (34.8%) 395 (70.8%)
   Current smokers 4967 (100.0%) 347 (100.0%) 5314 (100.0%) 512 (100.0%) 46 (100.0%) 558 (100.0%)
Components for MetS       
   HDL cholesterol (mg/dL)       
< 40 554 (11.2%) 10 (2.9%) 564 (10.6%) 53 (10.4%) 3 (6.5%) 56 (10.0%)
≥ 40 4413 (88.8%) 337 (97.1%) 4750 (89.4%) 459 (89.6%) 43 (93.5%) 502 (90.0%)
   Fasting triglyceride (mg/dL)       
< 150 3612 (72.7%) 300 (86.5%) 3912 (73.6%) 391 (76.4%) 39 (84.8%) 430 (77.1%)
≥ 150 1355 (27.3%) 47 (13.5%) 1402 (26.4%) 121 (23.6%) 7 (15.2%) 128 (22.9%)
   Fasting serum glucose (mg/dL)       
< 110 4555 (91.7%) 327 (94.2%) 4882 (91.9%) 471 (92.0%) 45 (97.8%) 516 (92.5%)
≥ 110 412 (8.3%) 20 (5.8%) 432 (8.1%) 41 (8.0%) 1 (2.2%) 42 (7.5%)
   Systolic blood pressure (mmHg)       
< 130 3957 (79.7%) 308 (88.8%) 4265 (80.3%) 408 (79.7%) 40 (87.0%) 448 (80.3%)
≥ 130 1010 (20.3%) 39 (11.2%) 1049 (19.7%) 104 (20.3%) 6 (13.0%) 110 (19.7%)
   Diastolic blood pressure (mmHg)       
< 85 4340 (87.4%) 324 (93.4%) 4664 (87.8%) 449 (87.7%) 42 (91.3%) 491 (88.0%)
≥ 85 627 (12.6%) 23 (6.6%) 650 (12.2%) 63 (12.3%) 4 (8.7%) 67 (12.0%)
   Body mass index       
< 22 2013 (40.5%) 198 (57.1%) 2211 (41.6%) 209 (40.8%) 25 (54.3%) 234 (41.9%)
22 ≤ < 25 2113 (42.5%) 104 (30.0%) 2217 (41.7%) 223 (43.6%) 14 (30.4%) 237 (42.5%)
≥ 25 841 (16.9%) 45 (13.0%) 886 (16.7%) 80 (15.6%) 7 (15.2%) 87 (15.6%)
  1. aData is shown as mean ± standard deviation (SD).
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