Table 1 Univariate analyses of predictors of work disability pension among employed patients with bipolar disorder in Jorvi Bipolar Study during 6-year follow-up
Predictor at entry | Being granted a disability pension during follow-up | ||
|---|---|---|---|
Pensioned n(%) | Test statistic | p | |
Gender, male/female | 37(51.4)/30(37.5) | χ21 = 2.996 | 0.085 |
BD subtype, I/II | 37(54.4)/30(37.5) | χ21 = 5.330 | 0.021 |
Married or cohabiting, yes/no | 27(43.5)/40(44.4) | χ21 = 0.012 | 0.913 |
Living alone, yes/no | 19(44.2)/48(44.0) | χ21 = 0.000 | 0.987 |
Vocational education | χ23 = 2.799 | 0.424 | |
 University | 10(38.5) |  |  |
 College | 10(33.3) |  |  |
 Vocational school | 17(51.5) |  |  |
 No professional education | 30(47.6) |  |  |
Index phase depression, yes/no | 41(49.4)/26(37.7) | χ21 = 2.098 | 0.147 |
Psychotic symptoms LT, yes/no | 35(47.3)/32(41.0) | χ21 = 0.606 | 0.436 |
Alcohol dependence LT, yes/no | 31(54.4)/36(37.9) | χ21 = 3.931 | 0.047 |
Some anxiety disorder LT, yes/no | 36(46.8)/31(41.3) | χ21 = 0.453 | 0.501 |
Some personality disorder, yes/no | 30(47.6)/37(41.6) | χ21 = 0.547 | 0.460 |
Cluster A, yes/no | 6(46.2)/37(43.9) | χ21 = 0.025 | 0.875 |
Cluster B, yes/no | 21(52.5)/46(41.1) | χ21 = 1.562 | 0.211 |
Cluster C, yes/no | 15(45.5)/52(43.7) | χ21 = 0.032 | 0.857 |
Borderline personality disorder, yes/no | 19(50.0)/48(42.1) | χ21 = 0.721 | 0.396 |
Avoidant personality disorder, yes/no | 11(68.8)/56(41.2) | χ21 = 4.416 | 0.036 |
PTSD LT, yes/no | 14(63.6)/56(40.8) | χ21 = 3.992 | 0.046 |
GAD, yes/no | 15(62.5)/52(40.6) | χ21 = 3.923 | 0.048 |
Social phobia LT, yes/no | 19(51.4)/48(41.7) | χ21 = 1.049 | 0.306 |
Economic situation | χ23 = 17,829 |  < 0.001 | |
 Good | 2(10.5) |  |  |
 Reasonable | 18(35.3) |  |  |
 Rather bad/poor | 17(51.5) |  |  |
 Bad/poor | 28(63.6) |  |  |
Perceived work ability 1 + 2/3 | 24(24.7)/43(82.7) | χ21 = 45.939 |  < 0.001 |
 Fully able = 1 | 9(42.9) |  |  |
 Diminished capacity = 2 | 15(19.7) |  |  |
 Unable to work = 3 | 43(82.7) | χ22 = 49.493 |  < 0.001 |
On sick leave at baseline, yes/no | 44(62.0)/23(28.4) | χ21 = 17.305 |  < 0.001 |
|  | Not pensioned mean (SD) | Pensioned mean (SD) | Mann–Whitney U | p |
|---|---|---|---|---|
Age | 32.1(10.17) | 39.6(12.12) | 3862.00 |  < 0.001 |
Duration of  illness | 10.62(8.58) | 15.43(11.04) | 3589.00 | 0.006 |
Number of episodes before baseline | ||||
 Depressive | 7.09(11.56) | 8.97(13.23) | 3582.00 | 0.006 |
 Manic | 0.80(1.64) | 2.33(3.77) | 3449.00 | 0.006 |
Number of psychiatric hospital treatment periods | 0.96(1.66) | 1.75(3.01) | 3257.00 | 0.090 |
SOFAS | 52.88(10.35) | 47.84(10.79) | 1983.50 | 0.003 |
BDI | 20.65(10.83) | 27.03(11.34) | 3689.50 |  < 0.001 |
HAM-D | 17.03(7.44) | 19.52(7.48) | 3329.50 | 0.053 |
YMRS | 7.40(8.14) | 6.29(8.01) | 2548.50 | 0.332 |
BAI | 21.36(12.76) | 24.15(12.00) | 3205.50 | 0.142 |
PSSS-R | 45.39(10.06) | 38.61(13.73) | 1955.00 | 0.003 |