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. 2006 Apr 19;8(2):18.

Table 1.

Demographics of Bipolar Cohort Overall and by Time to Index Date (N = 1084)

Variable Time Between First Mental Health-Related Encounter and Recorded Diagnosis of Bipolar Disorder N (%)

OVERALL < 6 mo 6 mo to < 2 y 2 to < 4 y > 4 y
Age Category 0-17 117 (10.8) 66 (18.4) 28 (13.2) 13 (7.6) 10 (2.9)
18-34 288 (26.6) 119 (33.2) 66 (31.0) 47 (27.5) 56 (16.4)
35-44 280 (25.8) 86 (24.0) 53 (24.9) 42 (24.6) 99 (29.0)
45-54 249 (23.0) 49 (13.7) 45 (21.1) 45 (26.3) 110 (32.3)
55-64 80 (7.4) 14 (3.9) 12 (5.6) 15 (8.8) 39 (11.4)
65+ 70 (6.5) 25 (7.0) 9 (4.2) 9 (5.3) 27 (7.9)
Sex Male 411 (37.9) 147 (41.0) 70 (32.9) 56 (32.8) 138 (40.5)
Female 673 (62.1) 212 (59.1) 143 (67.1) 115 (67.3) 203 (59.5)
Race African American 337 (31.1) 122 (34.0) 67 (31.5) 49 (28.7) 99 (29.0)
White 695 (64.1) 210 (58.5) 133 (62.4) 117 (68.4) 235 (68.9)
Other/unknown 52 (4.8) 27 (7.5) 13 (6.1) 5 (2.9) 7 (2.1)
TOTAL 1084 359 213 171 341