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Table 2 Sample differences on objective 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

  Group    
Osteoarthritis (OA) Rheumatoid Arthritis (RA) Control (CON)    Post-Hoc
Sensewear Index M (SD) M (SD) M (SD) F p Comparisons
Physical Activity Index
 Sedentary activity (min/day) 1274.23 (90.91) 1283.10 (93.76) 1207.08 (130.21) 6.10 0.001 CON < OA, RA
 Moderate activity (min/day) 148.58 (85.38) 144.43 (93.76) 199.83 (130.21) 3.98 0.021 CON > OA, RA
 Vigorous activity (min/day) 3.98 (5.87) 1.95 (3.15) 13.53 (28.81) 5.24 0.007 CON > OA, RA
 Total energy expenditure (calories/day) 9485.68 (1808.17) 9426.08 (1728.19) 9918.49 (2520.88) 0.69 0.505 no differences
 Active energy expenditure (calories/day) 2544.35 (1578.87) 2439.86 (1660.48) 3854.25 (3226.22) 4.76 0.001 CON > OA, RA
 Physical activity level (METs) 1.54 (.24) 1.51 (.27) 1.75 (.32) 8.68 0.001 CON > OA, RA
 Physical activity duration (min/day) 152.76 (91.15) 146.74 (97.19) 214.98 (121.37) 5.27 0.006 CON > OA, RA
 Steps (No./day) 7767.68 (4002.25) 7230.98 (3861.86) 11,215.54 (4571.00) 10.83 0.001 CON > OA, RA
 Lying down (min/day) 534.35 (124.87) 519.59 (104.79) 514.50 (86.26) 0.38 0.688 no differences
Sleep Index
 Sleep onset latency (min/night) 19.63 (13.90) 15.55 (9.46) 14.20 (12.14) 2.23 0.112 no differences
 Total sleep time (min/night) 418.50 (78.37) 407.01 (78.20) 405.95 (71.11) 0.34 0.716 no differences
 Wake after sleep onset time (min/night) 128.23 (63.99) 116.52 (49.41) 91.76 (51.91) 4.51 0.013 CON < OA, RA
 Sleep efficiency (%) 75% (9%) 76% (8%) 80% (9%) 3.02 0.053 no differences