Table 2 Demographic and clinical characteristics of the Dutch and US samples
Dutch sample (n = 521) | US sample (n = 246) | |||
|---|---|---|---|---|
Level 1 center (n = 303) | Level 2 center (n = 218) | Total (n = 521) | ||
Age, mean (SD) | 50 (17) | 53 (15) | 51 (17) | 48 (14) |
Gender, n (%) | ||||
Male | 159 (53) | 109 (50) | 268 (51) | 76 (31) |
Female | 144 (47) | 109 (50) | 253 (49) | 170 (69) |
Country of birth, n (%) | ||||
Netherlands | 276 (91) | 161 (65) | 437 (86) | |
Other | 27 (9) | 44 (20) | 71 (14) | |
Missing | 0 (0) | 13 (15) | 0 (0) | |
Social status, n (%) | ||||
Single | 110 (36) | 69 (32) | 179 (34) | |
Married/living together | 155 (51) | 127 (58) | 282 (54) | |
Living apart together | 15 (5) | 4 (2) | 19 (4) | |
Living with parents | 16 (5) | 6 (3) | 22 (4) | |
Other | 7 (3) | 12 (5) | 19 (4) | |
Educational level, n (%) | ||||
< high school degree | 34 (11) | 40 (18) | 74 (15) | 6 (2) |
High school degree | 99 (33) | 75 (33) | 174 (33) | 53 (22) |
Some college | 16 (5) | 14 (6) | 30 (6) | 81 (33) |
College degree | 122 (40) | 72 (33) | 194 (37) | 80 (32) |
Advanced degree | 32 (11) | 17 (8) | 49 (9) | 26 (11) |
Employment status, n (%) | ||||
Full time | 141 (47) | 84 (39) | 217 (43) | |
Part time | 55 (18) | 40 (18) | 93 (18) | |
Student | 20 (7) | 5 (2) | 25 (5) | |
Unpaid/volunteer/household | 13 (4) | 18 (8) | 31 (6) | |
Retired | 49 (16) | 40 (18) | 88 (17) | |
Unemployed | 6 (2) | 10 (5) | 14 (3) | |
Other | 19 (6) | 21 (10) | 40 (8) | |
Duration of complaints, n (%) | ||||
< 1 month | 135 (45) | 22 (10) | 157 (30) | |
1–3 months | 39 (13) | 22 (10) | 61 (12) | |
3–6 months | 42 (14) | 30 (14) | 72 (14) | |
< 6 months (DIF) | 216 (72) | 74 (34) | 290 (56) | |
6–12 months | 20 (7) | 36 (17) | 56 (11) | |
1–2 years | 8 (3) | 46 (21) | 54 (10) | |
2–5 years | 2 (1) | 31 (14) | 33 (6) | |
5 years | 1 (0) | 31 (14) | 32 (6) | |
≥ 6 months (DIF) | 31 (11) | 144 (66) | 175 (33) | |
Unknown/missing | 56 (19) | 0 (0) | 56 (11) | |
Location of paina, n (%) | ||||
Shoulder(s) | 137 (45) | 190 (87) | 318 (63) | |
Arm(s) | 125 (41) | 142 (65) | 259 (51) | |
Shoulder/arm (DIF)b | 132 (44) | 136 (62) | 268 (80) | |
Hand(s) | 105 (35) | 59 (27) | 161 (32) | |
Finger(s) | 64 (21) | 49 (22) | 112 (22) | |
Hand/wrist (DIF)b | 62 (21) | 7 (3) | 69 (20) | |
DF-PROMIS-UE v2.0, mean (SD) T-scores | 34.7 (3.6) | 33.4 (9.1) | 33.9 (8.9) | 36.5 (7.0) |
DASH, mean (SD) T-scores | 35.6 (22.1) | 36.5 (21.0) | 35.9 (21.6) | |
QuickDASH, mean (SD) T-scores | 36.8 (22.1) | 38.1 (21.8) | 37.3 (22.0) | |
MHQ-ADL, mean (SD) T-scores | 61.4 (31.0) | 74.5 (25.6) | 66.7 (29.6) | |