Table 1 Distribution of patient characteristics by trajectory group

Age

Mean (SD)

61.6 (12.5)

62.1 (11.9)

62.5 (12.7)

58.1 (12.9)

Age groups

20–40

240 (6%)

75 (4%)

105 (6%)

60 (8%)

41–60

16,778 (39%)

743 (40%)

591 (34%)

344 (49%)

61–70

1325 (31%)

558 (30%)

574 (33%)

193 (27%)

71–80

811 (19%)

372 (20%)

365 (21%)

74 (10%)

80+

254 (6%)

106 (6%)

111 (6%)

37 (5%)

Combined Comorbidity Index in the year before diagnosis

Mean (SD)

0.87 (2.2)

0.6 (1.9)

1.23 (2.5)

0.60 (2.1)

Education

Some high school education

1627 (38%)

779 (42%)

625 (36%)

223 (31%)

High school diploma

588 (14%)

249 (13%)

244 (14%)

95 (13%)

College/CEGEP

1572 (36%)

644 (35%)

636 (36%)

292 (41%)

University degree

481 (11%)

163 (9%)

227 (13%)

91 (13%)

Missing

40 (1%)

19 (1%)

14 (1%)

7 (1%)

Sex

Female

2112 (49%)

921 (50%)

903 (52%)

288 (41%)

Male

2186 (51%)

923 (50%)

843 (48%)

420 (59%)

Immigrant

yes

328 (8%)

104 (6%)

174 (10%)

50 (7%)

no

3977 (92%)

1748 (94%)

1571 (90%)

658 (93%)

missing

2 (0%)

1 (0%)

0 (0%)

Years since immigration

Mean (SD)

34.1 (17.7)

35.6 (16.6)

34.0 (18.3)

30.2 (18.7)

Service use during trajectory Mean (SD)

Regular GP

8.9 (7.5)

11.9 (8.8)

7.7 (5.6)

3.7 (2.8)

Specialist visits

11.5 (14.9)

7.0 (6.7)

19.1 (19.8)

4.4 (4.3)

Hospital days

20.6 (34.8)

18.9 (34.0)

23.5 (38.8)

17.8 (24.0)

Emergency visits

4.2 (5.2)

3.6 (3.7)

5.2 (6.8)

3.4 (3.4)

New GP visits

4.2(4.7)

3.5 (3.5)

5.2 (5.9)

3.4 (3.3)

Place of diagnosis

office

3259 (76%)

1528 (82%)

1185 (68%)

546 (77%)

hospital

1049 (24%)

326 (18%)

561 (32%)

162 (23%)

Residential Area (at start of trajectory)

CMA of Montreal^a

1269 (29%)

460 (25%)

614 (35%)

195 (28%)

Non-Montreal CMA

868 (20%)

404 (22%)

339 (19%)

125 (18%)

Census agglomeration (CA)

731 (17%)

335 (18%)

265 (15%)

131 (19%)

Rural area

1420 (33%)

647 (35%)

526 (30%)

247 (35%)

missing

20 (0%)

8 (0%)

2 (0%)

10 (1%)