A, Cutoff points were less than 2.7 minutes/day for tertile 1, at least 2.7 to less than 14.0 minutes/day for tertile 2, and at least 14.0 minutes/day for tertile 3. B, Cutoff points were less than 154.0 minutes/day for tertile 1, at least 154.0 to less than 220.4 minutes/day for tertile 2, and at least 220.4 minutes/day for tertile 3. C, Cutoff points were less than 11.8 hours/day for tertile 1, at least 11.8 to less than 13.0 hours/day for tertile 2, and at least 13.0 hours/day for tertile 3.