Table 1.
Age, gender and deprivation status
| Variable | Bipolar, n (%) | Not bipolar, n (%) | Difference (95% CI) (P value) |
|---|---|---|---|
| Total |
2,582 (0.2) |
1,421,796 (99.8) |
|
| Gender (% male) |
1,021 (39.5) |
698,408 (49.1) |
−9.6 (−7.6 to −11.5) (P <0.001) |
| Age, mean (SD) |
54.5 (15.3) |
47.9 (18.2) |
6.5 (5.7 to 7.2) (P <0.001) |
| Deprivation, mean (SD) |
−0.31 (3.3) |
−0.17 (3.3) |
0.14 (−0.8 to 0.1) (P = 0.03) |
| Age group: |
|
|
|
| 18 to 24 |
45 (1.7) |
151,648 (10.7) |
−9.0 (−7.8 to −10.1) (P <0.001) |
| 25 to 34 |
217 (8.4) |
229,179 (16.1) |
−7.7 (−6.3 to −9.1) (P <0.001) |
| 35 to 44 |
445 (17.2) |
278,548 (19.6) |
−2.4 (−0.1 to −3.9) (P = 0.01) |
| 45 to 54 |
626 (24.2) |
253,168 (17.8) |
6.4 (5.0 to 7.9) (P <0.001) |
| 55 to 64 |
547 (21.2) |
218,786 (15.4) |
5.8 (4.4 to 7.1) (P <0.001) |
| 65 to 74 |
410 (15.9) |
154,870 (10.9) |
5.0 (3.8 to 6.2) (P <0.001) |
| 75 and over |
292 (11.3) |
135,597 (9.5) |
1.8 (0.1 to 2.9) (P <0.001) |
| Deprivation quintile: |
|
|
|
| 1 (least deprived) |
513 (19.9) |
271,516 (19.1) |
0.8 (−0.2 to 1.4) (P = 0.32) |
| 2 |
570 (22.1) |
303,584 (21.4) |
0.7 (−0.1 to 1.2) (P = 0.37) |
| 3 |
581 (22.5) |
321,666 (22.6) |
−0.1 (−1.4 to 0.8) (P = 0.88) |
| 4 |
514 (19.8) |
270,870 (19.1) |
0.8 (−0.2 to 1.6) (P = 0.23) |
| 5 (most deprived) | 404 (15.7) | 254,160 (17.9) | 2.2 (0.8 to 3.7) (P <0.001) |