Table 1.

Baseline characteristics associated with age in the JACC Study

CharacteristicsAge group
Total
40-49 y50-59 y60-69 y70-79 y
Number, n (row %)7,561 (25.1)9,361 (31.0)9,098 (30.2)4,137 (13.7)30,157 (100.0)
Time spent walking per day
    Never or seldom, n (%)868 (11.5)1,013 (10.8)807 (8.9)403 (9.7)3,091 (10.2)
    Around 30 min, n (%)1,393 (18.4)1,650 (17.6)1,794 (19.7)876 (21.2)5,713 (18.9)
    30-59 min, n (%)1,584 (20.9)1,989 (21.2)1,945 (21.4)956 (23.1)6,474 (21.5)
    ≥1 h, n (%)3,716 (49.1)4,709 (50.3)4,552 (50.0)1,902 (46.0)14,879 (49.3)
Time spent exercising per wk
    Never or seldom, n (%)5,890 (77.9)7,365 (78.7)6,591 (72.4)2,842 (68.7)22,688 (75.2)
    1-2 h, n (%)1,176 (15.6)1,298 (13.9)1,412 (15.5)617 (14.9)4,503 (14.9)
    3-4 h, n (%)338 (4.5)399 (4.3)572 (6.3)306 (7.4)1,615 (5.4)
    ≥5 h, n (%)157 (2.1)299 (3.2)523 (5.7)372 (9.0)1,351 (4.5)
  • NOTE: Mean (SD) or %, calculated for participants with complete physical activity data.