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Table 1 Characteristics of the respondents, stratified by gender

From: Socioeconomic position and work, travel, and recreation-related physical activity in Japanese adults: a cross-sectional study

  General Japanesea All   Men   Women   p-value
n = 3132 n = 1579 n = 1553
n % n % n %
Age, years
 30–39 34.1 1072 34.2 540 34.2 532 34.3 0.919
 40–49 35.0 1115 35.6 567 35.9 548 35.3
 50–59 30.9 945 30.2 472 29.9 473 30.5
 mean ± SD   44.2 ± 8.1 44.2 ± 8.1 44.1 ± 8.1 0.533
Living with family in household (no.)
 0 (live single) 32.4 555 17.7 365 23.1 190 12.2 <0.001
 1 27.2 701 22.4 290 18.4 411 26.5
 2 18.2 841 26.9 414 26.2 427 27.5
 3 14.4 707 22.6 344 21.8 363 23.4
 4≥ 7.8 328 10.5 166 10.5 162 10.4
Body mass index, kg/m2
 <25 77.0 2478 79.1 1111 70.4 1367 88.0 <0.001
 ≥25 23.0 654 20.9 468 29.6 186 12.0
 mean ± SD   22.5 ± 3.8 23.6 ± 3.8 21.4 ± 3.5 <0.001
Household motor vehicles (no.)
 0 18.0 723 23.1 368 23.3 355 22.9 0.737
 1 42.9 1385 44.2 705 44.6 680 43.8
 ≥2 39.1 1024 32.7 506 32.0 518 33.4
Household income
 <3 million yen 32.7 981 31.3 501 31.7 480 30.9 0.831
 3–7 million yen 40.5 1291 41.2 643 40.7 648 41.7
 ≥7million yen 26.8 860 27.5 435 27.5 425 27.4
Educational level
 Junior high or high school graduation 65.3 827 26.4 412 26.1 415 26.7 <0.001
 2 years college degree or equivalent 14.8 865 27.6 257 16.3 608 39.2
 4 years college or higher degree 19.9 1440 46 910 57.6 530 34.1
Employment status
 Non full time worker 43.4 1465 46.8 375 23.7 1090 70.2 <0.001
 Full time woker 56.6 1667 53.2 1204 76.3 463 29.8
Physical activity
 Work
  Inactive 2614 83.5 1276 80.8 1338 86.2 <0.001
  Active 518 16.5 303 19.2 215 13.8
 Travel
  Inactive 1724 55.0 877 55.5 847 54.5 0.573
  Active 1408 45.0 702 44.5 706 45.5
 Recreation
  Inactive 2334 74.5 1127 71.4 1207 77.7 <0.001
  Active 798 25.5 452 28.6 346 22.3
 Total
  Inactive 1737 55.5 818 51.8 919 59.2 <0.001
  Active 1395 44.5 761 48.2 634 40.8
  1. SD Standard deviation
  2. a: age, living with household, educatinal status, employment status: Basic Resident Register 2010; BMI: National Health and Nutrition Survey2012; Household motor vehicles: Market Trend Survey Passenger Vehicles 2013; Household income: Comprehensive Survey of Living Conditions 2012