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Table 3 Results comparing sitting time measured by the SIT-Q to estimates derived from Seven-Day Activity Diaries (both postural and MET-based definitions of sedentary) (n = 69)

From: Development and testing of a past year measure of sedentary behavior: the SIT-Q

  Diary – postural definition Diary – MET-based definition
   Mean difference (95% CI) Spearman’s ρ   Mean difference (95% CI) Spearman’s ρ
Meals (h/day) 1.52 (0.79) -0.58 (-0.75, -0.42) 0.19 (p = 0.11) 1.55 (0.74) -0.65 (-0.83, -0.48) 0.29 (p = 0.01)
weekday only 1.47 (0.81) -0.63 (-0.81, -0.44) 0.07 (p = 0.58) 1.47 (0.80) -0.69 (-0.88, -0.50) 0.23 (p = 0.07)
weekend only 1.52 (1.03) -0.45 (-0.66, -0.25) 0.36 (p < 0.01) 1.61 (0.95) -0.52 (-0.75, -0.28) 0.37 (p < 0.01)
Transportation (h/day) 1.34 (0.91) -0.53 (-0.67, -0.38) 0.37 (p < 0.01) 1.37 (0.92) -0.54 (-0.69, -0.39) 0.34 (p < 0.01)
weekday only 1.21 (0.93) -0.60 (-0.77, -0.43) 0.39 (p < 0.01) 1.27 (0.92) -0.62 (-0.79, -0.45) 0.37 (p < 0.01)
weekend only 1.29 (1.27) -0.38 (-0.64, -0.11) 0.11 (p = 0.38) 1.26 (1.27) -0.38 (-0.64, -0.12 0.11 (p = 0.37)
Work, Study and Volunteering (h/day) 2.64 (3.48) -0.17 (-0.51, 0.16) 0.76 (p < 0.01) 2.72 (3.30) -0.24 (-0.59, 0.11) 0.75 (p < 0.01)
Childcare and elder care (h/day) 0 (0) 0.11 (-0.01, 0.23) 0.49 (p < 0.01) 0 (0.02) 0.15 (0.03, 0.27) 0.46 (p < 0.01)
weekday only 0 (0) 0.11 (-0.03, 0.24) 0.47 (p < 0.01) 0 (0.03) 0.16 (0.01, 0.29) 0.36 (p < 0.01)
weekend only 0 (0) 0.15 (-0.01, 0.30) 0.61 (p < 0.01) 0 (0) 0.18 (0.03, 0.34) 0.53 (p < 0.01)
Leisure time (h/day) 2.57 (2.01) 1.93 (1.38, 2.48) 0.26 (p = 0.03) 2.61 (2.12) 1.94 (1.39, 2.49) 0.26 (p = 0.03)
weekday only 2.33 (2.28) 1.68 (1.08, 2.29) 0.31 (p = 0.01) 2.33 (2.35) 1.68 (1.08, 2.28) 0.32 (p = 0.01)
weekend only 3.24 (2.89) 2.44 (1.68, 3.20) 0.14 (p = 0.26) 2.75 (3.50) 3.01 (2.17, 3.86) 0.09 (p = 0.45)
Total sitting time (h/day) 9.50 (2.36) -0.15 (-0.78, 0.47) 0.53 (p < 0.01) 9.26 (2.25) 0.09 (-0.50, 0.68) 0.52 (p < 0.01)