Controls, n = 96 | pSS, n = 84 | RA, n = 87 | |
---|---|---|---|
Paid work | |||
Cost of paid losses (low estimate) | 540 (69, 1012) | 6155 (4091, 8218)* | 6462 (4378, 8547)* |
Cost of paid work losses (intermediate estimate) | 705 (−29, 1439) | 10,840 (6843, 14,836)* | 11,465 (7479, 15,451)* |
Cost of paid work losses (high estimate) | 2937 (1795, 4079) | 11,612 (7652, 15,572)* | 11,887 (7935, 15,839)* |
Unpaid work | |||
Housework loss (replacement cost) | 330 (−35, 696) | 1376 (660, 2093)**,***# | 3780 (2590, 4969)* |
Housework loss (opportunity cost) | 423 (−58, 904) | 1745 (814, 2675)**,*** | 4982 (3393, 6571)* |
Outside help | |||
Cost of helper’s missed paid work | 22 (−4, 48) | 146 (31, 261)**# | 201 (19, 384)** |
Total indirect costs | |||
Low estimate for paid work + housework loss (replacement) + cost of helper’s missed paid work | 892 (307, 1478) | 7677 (5560, 9794)*†† | 10,444 (8206, 12,681)* |
Low estimate for paid work + housework loss (opportunity) + cost of helper’s missed paid work | 985 (325, 1645) | 8046 (5868, 10,223)*† | 11,645 (9193, 14,097)* |
Intermediate estimate for paid work + housework loss (replacement) + cost of helper’s missed paid work | 1057 (248, 1866) | 12,362 (8365, 16,359)* | 15,446 (11,523, 19,369)* |
Intermediate estimate for paid work + housework loss (opportunity) + cost of helper’s missed paid work | 1150 (286, 2014) | 12,730 (8714, 16,747)* | 16,648 (12,639, 20,657)* |
High estimate for paid work + housework loss (replacement) + cost of helper’s missed paid work | 3289 (2125, 4454) | 13,134 (9189, 17,079)* | 15,868 (11,994, 19,743)* |
High estimate for paid work + housework loss (opportunity) + cost of helper’s missed paid work | 3382 (2187, 4578) | 13,502 (9542, 17,463)* | 17,070 (13,112, 21,028)* |
↵* Significant difference from controls, p < 0.001.
↵** Significant difference from controls, p < 0.05.
↵*** Significant difference from RA patients, p < 0.001.
↵† Significant difference from RA patients, p < 0.05.
↵†† Significant difference from RA patients, p < 0.05 only after age adjustment with regard to controls. Not significant compared with controls after age adjustment with regard to controls. pSS: primary Sjögren’s syndrome; RA: rheumatoid arthritis.