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Table 2 Comparison of level of physical activity across four study time-points

From: Longitudinal changes in sports activity from pre-diagnosis to first five years post-diagnosis: a prospective Chinese breast cancer cohort study

Level of recreational physical activity

T0

T1

T2

T3

Mean of T1,2,3

P T0 vs mean of T1,2,3

MET-hours/week, mean ± SD

5.9 ± 11.2

9.9 ± 13.0

9.8 ± 14.2

9.3 ± 14.4

9.6 ± 11.6

< 0.001

Physical activity group, n (%)

 No exercise

473 (46.4)

209 (20.5)

298 (29.2)

340 (33.4)

111 (10.9)

 Low-exercise-level group

335 (32.9)

465 (45.6)

397 (39.0)

376 (36.9)

550 (54.0)

 High-exercise-level group

211 (20.7)

345 (33.9)

324 (31.8)

303 (29.7)

358 (35.1)

  1. Abbreviations: MET metabolic equivalent of task, SD standard deviation