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Table 2 Results comparing sitting time (h/day) measured by two administrations of the SIT-Q, one month apart (n = 64)

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

  SIT-Q SIT-Q
  First administration Second administration Mean difference (95% CI) ICC (95% CI)
Meals (h/day) 1.07 (0.52) 1.00 (0.56) 0.06 (-0.03, 0.16) 0.60 (0.42, 0.74)
weekday only 1.00 (0.50) 1.00 (0.63) 0.03 (-0.06, 0.12) 0.65 (0.48, 0.77)
weekend only 1.25 (0.75) 1.00 (0.71) 0.14 (0, 0.29) 0.41 (0.18, 0.59)
Transportation (h/day) 0.82 (0.61) 0.83 (0.75) -0.05 (-0.15, 0.06) 0.59 (0.41, 0.73)
weekday only 0.75 (0.50) 0.75 (0.50) -0.04 (-0.14, 0.06) 0.65 (0.48, 0.77)
weekend only 1.00 (1.00) 1.00 (1.00) -0.06 (-0.26, 0.13) 0.51 (0.30, 0.67)
Work, study and volunteering (h/day) 2.83 (4.22) 2.36 (4.42) -0.25 (-0.54, 0.04) 0.86 (0.78, 0.91)
Childcare and elder care (h/day) 0 (0) 0 (0) 0.13 (0.01, 0.24) 0.59 (0.40, 0.73)
weekday only 0 (0) 0 (0) 0.12 (0.01, 0.24) 0.60 (0.41, 0.73)
weekend only 0 (0) 0 (0) 0.13 (-0.01, 0.28) 0.59 (0.40, 0.73)
Television viewing time (h/day) 1.73 (1.29) 1.50 (1.39) 0.12 (-0.03, 0.28) 0.84 (0.75, 0.90)
weekday only 1.50 (1.50) 1.50 (1.50) 0.07 (-0.11, 0.24) 0.82 (0.72, 0.89)
weekend only 2.00 (1.67) 2.00 (2.00) 0.27 (-0.01, 0.55) 0.69 (0.53, 0.80)
Computer use at home (h/day) 1.00 (1.00) 0.64 (0.64) 0.12 (-0.03, 0.28) 0.31 (0.07, 0.52)
weekday only 1.00 (1.00) 0.50 (0.50) 0.31 (0.06, 0.56) 0.25 (0, 0.47)
weekend only 1.00 (1.00) 0.50 (0.71) 0.23 (0.04, 0.43) 0.42 (0.19, 0.60)
Leisure time (h/day) 4.50 (2.69) 3.82 (2.39) 0.65 (0.29, 1.02) 0.61 (0.43, 0.74)
weekday only 3.71 (3.08) 3.00 (2.00) 0.58 (0.21, 0.95) 0.63 (0.45, 0.76)
weekend only 6.00 (3.50) 4.71 (3.42) 0.79 (0.21, 1.36) 0.51 (0.31, 0.68)
Total sitting time (h/day) 9.48 (2.82) 8.59 (2.36) 0.54 (0.01, 1.07) 0.65 (0.49, 0.78)
  1. First and second administration results presented are median (IQR) for all variables except for total sitting time, which is presented as mean (standard deviation).