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

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

Leisure-time physical activity		Current participation in regular leisure-time physical activity^a
		Males			Females
		Yes	No	Adjusted OR (95% CI)^b	Yes	No	Adjusted OR (95% CI)^b
At age 12 years
Strenuous^c	No	15	158	1.00 (reference)	26	357	1.00 (reference)
Strenuous^c	Yes	18	109	2.29 (1.02, 5.14)	15	169	1.40 (0.69, 2.81)
Moderate^d	No	12	119	1.00 (reference)	20	286	1.00 (reference)
Moderate^d	Yes	18	144	1.27 (0.56, 2.86)	22	225	1.50 (0.77, 2.92)
At age 20 years
Strenuous^c	No	20	203	1.00 (reference)	29	487	1.00 (reference)
Strenuous^c	Yes	13	61	2.35 (1.04, 5.27)	11	42	4.93 (2.18, 11.13)
Moderate^d	No	13	175	1.00 (reference)	26	415	1.00 (reference)
Moderate^d	Yes	17	86	2.63 (1.16, 5.94)	16	103	2.37 (1.17, 4.79)

Bold type indicates statistically significant values (p < 0.05)
OR odds ratio, CI confidence interval
^aDefined as exercising at least twice a week for 30 min per session for more than 1 year
^bUnconditional logistic model adjusted for age (continuous) and education (high school, junior/technical college, university or higher)
^cExemplars include running, playing basketball, swimming competitively, or doing gymnastics
^dExemplars include playing leisure-time volleyball, playing softball, walking, or cycling

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