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Table 2 Current participation in leisure-time physical activity according to intensity levels of age-specific leisure-time physical activity among Japanese workers

From: Leisure-time physical activity in youth as a predictor of adult leisure physical activity among Japanese workers: a cross-sectional study

Leisure-time physical activity Current participation in regular leisure-time physical activitya
Males   Females  
Yes No Adjusted OR (95% CI)b Yes No Adjusted OR (95% CI)b
At age 12 years
Strenuousc No 15 158 1.00 (reference) 26 357 1.00 (reference)
Yes 18 109 2.29 (1.02, 5.14) 15 169 1.40 (0.69, 2.81)
Moderated No 12 119 1.00 (reference) 20 286 1.00 (reference)
Yes 18 144 1.27 (0.56, 2.86) 22 225 1.50 (0.77, 2.92)
At age 20 years
Strenuousc No 20 203 1.00 (reference) 29 487 1.00 (reference)
Yes 13 61 2.35 (1.04, 5.27) 11 42 4.93 (2.18, 11.13)
Moderated No 13 175 1.00 (reference) 26 415 1.00 (reference)
Yes 17 86 2.63 (1.16, 5.94) 16 103 2.37 (1.17, 4.79)
  1. Bold type indicates statistically significant values (p < 0.05)
  2. OR odds ratio, CI confidence interval
  3. aDefined as exercising at least twice a week for 30 min per session for more than 1 year
  4. bUnconditional logistic model adjusted for age (continuous) and education (high school, junior/technical college, university or higher)
  5. cExemplars include running, playing basketball, swimming competitively, or doing gymnastics
  6. dExemplars include playing leisure-time volleyball, playing softball, walking, or cycling