Table 3 Performance of functional activities and functional test scores based on pain sites. Values are means ± SD (95% CI) or expressed as number and proportion of the group who indicated an answer of “yes”
No pain | Back alone | Back-Hip | Back-Knee | Back-Ankle/Foot | Back-Hip-Knee | Back-Knee Ankle/Foot | Back-Hip Ankle/Foot | All sites | |
|---|---|---|---|---|---|---|---|---|---|
n = 1109 | n = 45 | n = 127 | n = 78 | n = 10 | n = 177 | n = 20 | n = 33 | n = 43 | |
Self-Reported Function | |||||||||
Lifted objects by hand 25 lbs or more in single day, last 30 days (#, %) | |||||||||
824 (74.3) | 36 (80.0) | 80 (62.9) | 46 (59.0) | 7 (70.0) | 114 (64.4) | 13 (65.0) | 20 (60.6) | 28 (65.1) | |
Days lifted 25 lb objects in last 7 days (# yes, %) | |||||||||
0 -1 days | 605 (54.1) | 19 (56.2) | 72 (61.1) | 41 (45.3) | 2 (20.0) | 98 (55.4) | 11 (55.0) | 19 (57.6) | 21 48.8) |
2–5 days | 385 (35.3) | 20 (32.9) | 41 (30.6) | 24 (40.0) | 5 (50.0) | 60 (33.9) | 5 (25.0) | 10 (30.3) | 17 (39.5) |
Near all/all days | 116 (10.6) | 5 (10.5) | 13 (8.3) | 12 (13.2) | 3 (30.0) | 17 (9.6) | 4 (20.0) | 4 (12.1) | 5 (11.6) |
Performed light housework in last 7 days (# yes, %) | |||||||||
1024 (92.3) | 44 (97.8) | 117 (92.1) | 73 (93.6) | 10 (100.0) | 161 (91.0) | 19 (95.0) | 29 (87.9) | 42 (97.7) | |
Performed heavy housework in last 7 days (# yes, %) | |||||||||
810 (73.0) | 34 (75.6) | 92 (72.4) | 53 (67.9) | 6 (60.0) | 133 (75.1) | 16 (80.0) | 24 (72.7) | 35 (81.4) | |
Performance-Based Function | |||||||||
20-meter walk (s) | |||||||||
14.9 ± 2.5 | 14.8 ± 2.6¥ | 16.2 ± 3.1 | 15.8 ± 4.7 | 14.9 ± 2.3 | 16.3 ± 3.6 | 16.6 ± 3.0 | 15.7 ± 1.9 | 19.2 ± 4.7* | |
400-meter walk (s) | |||||||||
295 ± 47Ψ | 294 ± 53 | 321 ± 70 | 310 ± 84€ | 319 ± 52 | 324 ± 72 | 324 ± 53 | 313 ± 85 | 350 ± 78δ* | |
Repeated chair rise time (s) | |||||||||
10.4 ± 2.9¥ | 12.1 ± 4.1δ | 12.4 ± 5.3δ | 12.2 ± 4.4δ ^^ | 11.5 ± 3.5 | 13.5 ± 5.7¥ | 13.0 ± 4.6δ | 12.0 ± 4.4^^ | 13.0 ± 5.3δ | |