Skip to main content

Table 2 Sedentary behavior among all study participants and in subgroups

From: Device-measured sedentary behavior and physical activity in older adults differ by demographic and health-related factors

 

Sedentary time (min/day)

Sit-to-stand transitions (n)

Usual sedentary bout (min)

Longest sedentary bout (min)

Total samplea

512.1 (455.6–571.7)

5.1 (4.0–6.4)

30.1 (24.4–39.1)

132.6 (106.4–167.2)

Sex

 Women

502.6 (492.2–513.1)*

5.3 (5.1–5.5)*

30.5 (28.8–32.1)

135.0 (128.1–141.9)

 Men

535.6 (521.6–549.9)

4.8 (4.5–5.1)

31.3 (30.1–32.4)

133.1 (128.0–138.2)

Age group

 66 years

504.5 (493.3–515.8)*

5.4 (5.2–5.6)*

29.9 (28.6–31.2)*

133.2 (127.7–138.7)

 81–87 years

526.0 (511.9–540.1)

4.8 (4.5–5.0)

32.0 (30.3–33.6)

134.3 (127.4–141.2)

  ≥ 90 years

552.3 (510.6–593.9)

4.5 (3.7–5.3)

37.4 (32.6–42.3)

137.4 (117.0–157.8)

Education

  ≤ High school

516.5 (503.8–529.3)

5.0 (4.8–5.3)

31.4 (30.0–32.9)

133.7 (127.4–139.9)

 University

513.0 (502.1–524.0)

5.2 (5.0–5.4)

30.7 (29.4–32.0)

133.9 (128.5–139.2)

Marital status

 Living alone

526.2 (513.3–539.0)*

5.0 (4.8–5.3)

31.4 (29.8–32.9)

134.7 (128.4–141.0)

 Married/partner

505.4 (494.1–516.7)

5.2 (4.9–5.4)

30.7 (29.4–32.0)

133.1 (127.6–138.6)

Body mass index

 Underweight < 20

512.0 (469.7–554.4)

5.6 (4.8–6.4)*

26.9 (22.0–31.9)*

130.3 (109.6–151.0)

 Normal 20–24

501.5 (489.0–513.9)

5.4 (5.2–5.7)

29.0 (27.6–30.5)

130.0 (124.0–136.1)

 Overweight 25–29

520.6 (507.4–534.0)

5.0 (4.7–5.2)

32.0 (30.5–33.6)

134.8 (128.3–141.3)

 Obese ≥30

539.6 (517.4–561.8)

4.4 (4.0–4.8)

35.5 (32.9–38.1)

143.7 (132.9–154.6)

Physical function

 5 STS, not able to

550.1 (521.9–578.2)*

4.3 (3.8–4.9)

35.3 (32.0–38.6)*

144.4 (130.6–158.1)

 5 STS, able to

510.6 (502.0–519.3)

5.2 (5.0–5.4)

30.5 (29.5–31.5)

132.6 (128.4–136.9)

  1. Data are reported as average median (confidence intervals), adjusted for all other listed variables plus wear time, *p < 0.05 within subgroups. aUnadjusted median and interquartile range. 5 STS = 5 times sit to stand test