Table 3 Main-effect regression models of sedentary time in older adults

Wear time (min/h)

0.53^***

0.52, 0.54

0.53^***

0.52, 0.54

0.52^***

0.51, 0.53

Age (years)

-

-

0.28^***

0.21, 0.34

0.28^***

0.21, 0.34

Gender (ref: men)

 Women

-

-

-2.32^***

-3.17, -1.47

-2.30^***

-3.15, -1.45

Education (ref: up to primary school)

 Above primary school

-

-

0.75

-0.10, 1.61

0.73

-0.12, 1.59

Marital status (ref: no partner)

 Married or cohabiting

-

-

0.27

-0.59, 1.12

0.25

-0.60, 1.11

 Physical function (SPPB score)

-

-

-0.43***

-0.65, -0.21

-0.43***

-0.65, -0.21

Study site (ref: ALECS [Hong Kong, China])

 BEPAS (Ghent, Belgium)

-

-

-1.57***

-2.50, -0.63

-1.61***

-2.54, -0.67

Day of week (ref: weekday)

 Weekend day

-

-

-

-

0.24

-0.02, 0.51

Period of the day (ref: 6:00 am – 8:59 am)

 9:00 am – 11:59 am

-

-

-

-

-1.59***

-1.97, -1.21

 12:00 pm – 2:59 pm

-

-

-

-

3.15***

2.76, 3.53

 3:00 pm – 5:59 pm

-

-

-

-

2.40***

2.02, 2.79

 6:00 pm – 9:00 pm

-

-

-

-

6.90***

6.54, 7.27

Random part

Var. comp.(95% CI)

% total var

Var. comp.(95% CI)

% total var

Var. comp. (95% CI)

% total var

 Neighborhood-level variance

1.66 (0.63, 4.36)

1.3%

0.75 (0.17, 3.24)

0.6%

0.77 (0.18, 3.25)

0.7%

 Person-level variance

32.41 (29.04, 36.18)

25.6%

27.38 (24.50, 30.61)

22.7%

27.24 (24.37, 30.45)

24.3%

 Day-level variance

0.91 (0.34, 1.43)

0.7%

0.91 (0.34, 2.43)

0.8%

3.17 (2.40, 4.18)

2.8%

 Within-day-level variance

91.72 (90.00, 93.47)

72.4%

91.71 (90.00, 93.46)

76.0%

81.05 (79.53, 82.60)

72.2%

 LR test

χ²(3) = 6452.28; p < .001

χ²(6) = 136.21; p < .001

χ²(5) = 2681.19; p < .001

 Type of LR test

Random effects

Fixed effects: M2 vs. M1

Fixed effects: M3 vs. M2