Table 2 Sitting time spent in specific contexts (h/day) as recalled over the past seven days and relative validity against monitored sitting time (activPAL) in Australian adults aged >35 years (n = 700)
Overall | Weekday | Weekend day | ||||
|---|---|---|---|---|---|---|
Median (25th, 75th percentile) | Correlation (95 % CI) | Median (25th, 75th percentile) | Correlation (95 % CI) | Median (25th, 75th percentile) | Correlation (95 % CI) | |
Questionnaire, h/day | ||||||
Work | 0.71 (0.00, 3.57) | ρ = 0.25 (0.17, 0.31) | 0.83 (0.00, 4.80) | ρ = 0.34 (0.27, 0.40) | 0.00 (0.00, 0.00)a | ρ = 0.07 (0.00, 0.14) |
Transport | 0.67 (0.33, 1.07) | ρ = 0.07 (-0.01, 0.14) | 0.60 (0.31, 1.00) | ρ = 0.12 (0.05, 0.20) | 0.50 (0.05, 1.00) | ρ = -0.04 (-0.11, 0.04) |
TV | 1.71 (0.86, 2.50) | ρ = 0.16 (0.09, 0.24) | 1.70 (0.80, 2.60) | ρ = 0.09 (0.01, 0.16) | 2.00 (1.00, 2.50) | ρ = 0.23 (0.16, 0.30) |
Computer | 0.43 (0.07, 1.00) | ρ = 0.14 (0.06, 0.21) | 0.40 (0.00, 1.00) | ρ = 0.12 (0.05, 0.19) | 0.25 (0.00, 1.00) | ρ = 0.10 (0.03, 0.17) |
“Other” sitting | 1.43 (0.86, 2.14) | ρ = 0.06 (-0.02, 0.13) | 1.15 (0.64, 2.00) | ρ = -0.01 (-0.09, 0.06) | 1.96 (1.00, 2.71) | ρ = 0.11 (0.04, 0.18) |
Total (sum of above) | Mean 6.85 (SD = 2.69) | r = 0.46 (0.40, 0.52) | Mean 7.34 (SD = 3.21) | r = 0.49 (0.43, 0.54) | Mean 5.62 (SD = 2.66) | r = 0.25 (0.19, 0.32) |
activPAL, h/day | ||||||
Monitored sitting time | Mean 8.86 (SD = 1.81) | - | Mean 8.96 (SD = 1.98) | - | Mean 8.48 (SD = 2.10) | - |