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Table 3 Sample differences on self-report indexes of physical activity and sleep

From: Physical activity and sleep differences between osteoarthritis, rheumatoid arthritis and non-arthritic people in China: objective versus self report comparisons

Measure Group F p
Osteoarthritis (OA) Rheumatoid Arthritis (RA) Control (CON)
Median (IQR) / M (SD) Median (IQR) / M (SD) Median (IQR) / M (SD)
Physical Activity (IPAQ-SF)a
 Sitting (min/week)a 1470 (1680) 1575 (1575) 1260 (840) 1.02 .362
 Walking (min/week)a 1155 (1539) 1270 (1353) 1386 (1905) 0.23 .796
 Moderate (min/week)a 480 (2235) 480 (2310) 1120 (1860) 0.94 .394
 Vigorous (min/week)a 0 (540) 0 (690) 0 (1860) 0.18 .838
 Total (min/week)a 1579.5 (5049) 2206 (5861) 4825 (4684) 0.32 .729
Sleep (PSD)
 Sleep onset latency (min/night) 30.54 (24.22) 30.66 (28.50) 20.50 (14.51) 2.53 .084
 Total time in bed (min/night) 480.76 (57.63) 499.87 (87.35) 467.65 (59.23) 2.18 .118
 Frequency of nightly awaking 1.89 (0.91) 1.99 (1.10) 1.70 (1.17) 0.77 .464
 Total sleep time (min/night) 428.54 (59.60) 429.86 (92.75) 412.75 (59.22) 0.69 .501
 Wake after sleep onset time (min/night) 21.68 (37.85) 39.36 (44.88) 32.15 (23.81) 2.36 .099
 Sleep efficiency (%) 89.65 (8.82) 86.38 (11.46) 88.5 (5.45) 1.39 .254
 Sleep quality (0–10) 7.62 (1.57) 7.36 (1.79) 7.61 (1.60) 0.31 .734
 Alertness (0–10) 4.68 (2.46) 5.12 (3.19) 4.50 (2.48) 0.55 .581
  1. a Based on median rather than mean minutes