Table 1.
Sample characteristicsǂ
| Overall n=1091 |
Amputation Etiology | Amputation Level | |||
|---|---|---|---|---|---|
|
| |||||
| Trauma n=604 |
Dysvascular n=487 |
Transtibial n=705 |
Transfemoral n=386 |
||
|
| |||||
| Mean (SD) or % (N) | Mean (SD) or % (N) | Mean (SD) or % (N) | Mean (SD) or % (N) | Mean (SD) or % (N) | |
| Demographic characteristics | |||||
| Age at survey (years) | 55.0 (13.4) | 51.1 (13.8) | 59.8 (11.2)*** | 55.4 (13.0) | 54.2 (14.2) |
| Gender (%) | |||||
| Male | 70.6 (768) | 70.1 (421) | 71.3 (347) | 70.9 (499) | 70.1 (269) |
| Female | 29.4 (320) | 30.0 (180) | 28.8 (140) | 29.1 (205) | 30.0 (115) |
| Race/Ethnicity | |||||
| Non-Hispanic White | 80.4 (871) | 81.7 (490) | 78.7 (381)** | 81.3 (570) | 78.6 (301) |
| Non-Hispanic Black | 9.1 (99) | 6.7 (40) | 12.2 (59) | 8.1 (57) | 11.0 (42) |
| Hispanic | 6.3 (68) | 6.7 (40) | 5.8 (28) | 6.3 (44) | 6.3 (24) |
| Other | 4.2 (46) | 5.0 (30) | 3.3 (16) | 4.3 (30) | 4.2 (16) |
| Military status | |||||
| Active Military/Veteran | 20.2 (218) | 18.1 (108) | 22.8 (110) | 19.8 (138) | 21.0 (80) |
| Socioeconomic characteristics | |||||
| Employment Status | |||||
| Employed | 31.7 (345) | 44.4 (267) | 16.1 (78)*** | 31.6 (222) | 32.0 (123) |
| Retired | 25.1 (273) | 18.3 (110) | 33.5 (163) | 24.9 (175) | 25.5 (98) |
| On Disability | 32.1 (349) | 23.0 (138) | 43.4 (211) | 32.7 (230) | 31.0 (119) |
| Other | 11.0 (120) | 14.3 (86) | 7.0 (34) | 10.8 (76) | 11.5 (44) |
| Individual Income | |||||
| < $25,000 | 48.5 (516) | 40.0 (235) | 58.9 (281)*** | 48.9 (337) | 47.6 (179) |
| $25,000 – $39,999 | 20.0 (213) | 18.4 (108) | 22.0 (105) | 20.6 (142) | 18.9 (71) |
| $40,000 – $54,999 | 10.3 (110) | 12.4 (73) | 7.8 (37) | 9.3 (64) | 12.2 (46) |
| $55,000 – $69,999 | 7.1 (76) | 9.5 (56) | 4.2 (20) | 7.0 (48) | 7.5 (28) |
| ≥ 70,000 | 14.1 (150) | 19.7 (116) | 7.1 (34) | 14.2 (98) | 13.8 (52) |
| Education | |||||
| HS graduate or less | 29.4 (319) | 25.8 (155) | 33.7 (164)** | 29.3 (206) | 29.5 (113) |
| Some college/tech school | 38.3 (416) | 37.0 (222) | 39.9 (194) | 40.0 (281) | 35.3 (135) |
| College graduate | 20.3 (220) | 23.0 (138) | 16.9 (82) | 19.8 (139) | 21.2 (81) |
| Advanced degree | 12.1 (131) | 14.2 (85) | 9.5 (46) | 11.0 (77) | 14.1 (54) |
| Amputation Characteristics | |||||
| Amputation Level | |||||
| Transfemoral | 31.7 (346) | 39.2 (237) | 22.4 (109)*** | -- | -- |
| Knee Disarticulation | 3.7 (40) | 4.8 (29) | 2.3 (11) | -- | -- |
| Transtibial | 63.5 (693) | 54.5 (329) | 74.7 (364) | -- | -- |
| Ankle Disarticulation | 1.1 (12) | 1.5 (9) | 0.6 (3) | -- | -- |
| Amputation Etiology | |||||
| Trauma | 55.4 (604) | -- | -- | 47.9 (338) | 68.9 (266)*** |
| Dysvascular | 44.6 (487) | -- | -- | 52.1 (367) | 31.1 (120) |
| Age at amputation (years) | 43.1 (17.6) | 33.8 (15.6) | 54.7 (12.4)*** | 44.5 (17.0) | 40.6 (18.5)*** |
| Years since amputation | 11.8 (14.0) | 17.2 (16.2) | 5.1 (5.5)*** | 10.8 (12.9) | 13.6 (15.6)** |
| Daily prosthesis use (hours) | 12.4 (4.1) | 13.4 (3.6) | 11.3 (4.4)*** | 12.9 (3.9) | 11.6 (4.4)*** |
| Health Characteristics | |||||
| Comorbid Health Conditions | |||||
| Asthma | 8.9 (96) | 9.7 (58) | 7.9 (38) | 9.1 (64) | 8.3 (32) |
| Arthritis | 25.6 (276) | 22.2 (132) | 29.9 (144)** | 26.4 (184) | 24.2 (92) |
| Cancer | 4.3 (47) | 3.0 (18) | 6.0 (29)* | 4.1 (29) | 4.7 (18) |
| Diabetes | 35.6 (388) | 6.3 (38) | 71.9 (350)*** | 45.7 (322) | 17.1 (66)*** |
| Digestive problems | 5.7 (62) | 4.1 (25) | 7.6 (37)* | 5.8 (41) | 5.4 (21) |
| Heart trouble | 16.4 (178) | 4.2 (25) | 31.5 (153)*** | 18.2 (128) | 13.0 (50)* |
| HIV or AIDS | 0.6 (7) | 0.5 (3) | 0.8 (4) | 0.7 (5) | 0.5 (2) |
| Kidney disease | 7.8 (85) | 0.7 (4) | 16.6 (81)*** | 10.4 (73) | 3.1 (12)*** |
| Liver Problems | 1.6 (17) | 1.0 (6) | 2.3 (11) | 1.1 (8) | 2.3 (9) |
| Stroke | 2.7 (29) | 0.8 (5) | 4.9 (24)*** | 2.8 (20) | 2.3 (9) |
| Number of Comorbid Conditions | |||||
| 0 | 37.0 (404) | 59.8 (361) | 8.8 (43)*** | 31.6 (223) | 46.9 (181)*** |
| 1 | 34.1 (372) | 30.6 (185) | 38.4 (187) | 33.9 (239) | 34.5 (133) |
| 2 | 16.8 (183) | 7.6 (46) | 28.1 (137) | 19.0 (134) | 12.7 (49) |
| ≥3 | 12.1 (132) | 2.0 (12) | 24.6 (120) | 15.5 (109) | 6.0 (23) |
| Average pain intensity | 3.4 (2.4) | 3.2 (2.4) | 3.6 (2.4)* | 3.4 (2.4) | 3.2 (2.3) |
ǂ
Numbers may not add to total because of missing data and percentages may total more than 100% due to rounding.
Dysvascular mean/distribution significantly different from trauma mean/distribution or TFA mean/distribution significantly different from TTA mean/distribution at:
*
= p < 0.05;
**
= p < 0.01;
***
= p < 0.001.