Table 1

Descriptive characteristics of respondents

MenWomen
N (%)Incidence rate per 1000 person-years (95% CI)N (%)Incidence rate per 1000 person-years (95% CI)
Age (years)
 65–692558 (36.8)10.1 (8.3 to 12.3)2434 (31.9)9.8 (8.0 to 12.0)
 70–742127 (30.6)20.5 (17.6 to 23.9)2147 (28.1)23.4 (20.2 to 26.9)
 75–791406 (20.2)43.7 (38.3 to 50.0)1738 (22.8)54.0 (48.5 to 60.1)
 80–84598 (8.6)83.1 (71.1 to 97.1)866 (11.3)102.3 (91.1 to 114.9)
 85 or older264 (3.8)181.0 (151.9 to 215.7)451 (5.9)217.8 (192.3 to 246.7)
Education (years)
 <6176 (2.5)71.1 (52.4 to 96.6)491 (6.4)103.9 (89.0 to 121.3)
 6–93600 (51.8)34.2 (31.1 to 37.5)4124 (54.0)36.5 (33.6 to 39.7)
 10–121806 (26.0)22.7 (19.4 to 26.6)2106 (27.6)36.1 (32.1 to 40.6)
 ≥13904 (13.0)19.1 (15.0 to 24.4)370 (4.8)33.3 (24.9 to 44.6)
Equivalised income ($)
 <15 0001213 (17.4)38.1 (32.7 to 44.4)1521 (19.9)46.1 (40.7 to 52.1)
 15 000–19 9991193 (17.2)24.0 (19.8 to 29.1)879 (11.5)32.8 (27.1 to 39.6)
 20 000–24 9991427 (20.5)25.7 (21.7 to 30.5)1020 (13.4)26.2 (21.5 to 31.9)
 25 000–29 999363 (5.2)22.0 (15.3 to 31.7)309 (4.0)31.1 (22.3 to 43.3)
 30 000–39 9991132 (16.3)25.7 (21.3 to 31.1)861 (11.3)31.5 (25.9 to 38.4)
 40 000–49 999395 (5.7)20.1 (14.1 to 28.8)391 (5.1)38.3 (29.3 to 49.9)
 ≥50 000286 (4.1)21.5 (14.3 to 32.3)241 (3.2)40.9 (29.4 to 57.0)
Marital status
 Married5732 (82.4)26.2 (24.1 to 28.5)3900 (51.1)26.4 (23.9 to 29.2)
 Divorced650 (9.3)58.9 (49.6 to 70.0)2900 (38.0)61.2 (56.5 to 66.3)
 Never married43 (0.6)19.4 (6.3 to 60.1)202 (2.6)48.1 (34.3 to 67.3)
Social network (frequency of meet one's friend)
 Everyday1054 (15.2)23.3 (19.0 to 28.6)1679 (22.0)33.0 (28.8 to 37.9)
 Several times a week2455 (35.3)22.3 (19.5 to 25.6)3274 (42.9)37.5 (34.2 to 41.1)
 Several times a month1091 (15.7)24.5 (20.1 to 29.8)900 (11.8)37.9 (31.8 to 45.2)
 Several times a year1135 (16.3)31.3 (26.3 to 37.2)681 (8.9)36.0 (29.3 to 44.3)
 Rarely840 (12.1)60.0 (51.6 to 69.8)613 (8.0)78.0 (66.7 to 91.3)
 Having no friend169 (2.4)72.0 (52.8 to 98.2)143 (1.9)76.2 (54.7 to 106.2)
Social support
 Yes6323 (90.9)27.9 (25.8 to 30.1)6631 (86.8)39.2 (36.8 to 41.8)
 No281 (4.0)51.7 (39.2 to 68.2)545 (7.1)51.9 (42.6 to 63.1)
Self-rated health
 Very good591 (8.5)15.0 (10.7 to 21.1)539 (7.1)21.3 (15.8 to 28.8)
 Good4280 (61.6)21.5 (19.4 to 23.9)4674 (61.2)28.8 (26.4 to 31.5)
 Poor1532 (22.0)47.2 (41.7 to 53.5)1742 (22.8)64.1 (58.0 to 70.8)
 Very poor372 (5.4)97.1 (79.9 to 118.0)387 (5.1)132.9 (113.3 to 155.9)
Body mass index
 <18.5498 (7.2)61.1 (50.2 to 74.4)622 (8.1)75.5 (64.5 to 88.3)
 18.5–24.94775 (68.7)27.0 (24.7 to 29.6)4766 (62.4)35.5 (32.8 to 38.4)
 25–29.91277 (18.4)22.5 (18.6 to 27.2)1504 (19.7)29.7 (25.5 to 34.5)
 ≥3083 (1.2)29.4 (15.3 to 56.5)166 (2.2)47.8 (33.2 to 68.8)
Present illness
 No2399 (34.5)19.0 (16.4 to 22.1)2205 (28.9)27.7 (24.3 to 31.5)
 Yes4166 (59.9)36.4 (33.4 to 39.6)4811 (63.0)47.1 (44.0 to 50.5)
Alcohol consumption
 Non3025 (43.5)40.5 (36.8 to 44.5)6429 (84.2)42.6 (40.1 to 45.4)
 Not drink everyday1222 (17.6)24.6 (20.4 to 29.6)643 (8.4)22.1 (16.9 to 28.9)
 Drink everyday (35 g of alcohol or less)1980 (28.5)20.6 (17.6 to 24.1)260 (3.4)30.4 (21.1 to 43.8)
 Drink everyday (≥35 g of alcohol)586 (8.4)20.4 (15.2 to 27.3)22 (0.3)24.8 (6.2 to 99.2)
Smoking status
 Non1902 (27.4)32.8 (28.8 to 37.3)6598 (86.4)39.1 (36.7 to 41.7)
 Ever3175 (45.7)29.3 (26.3 to 32.6)320 (4.2)51.7 (39.9 to 66.8)
 Current1570 (22.6)27.3 (23.3 to 31.9)192 (2.5)51.6 (37.1 to 71.9)
Exercise
 <30 min walk2289 (32.9)43.6 (39.3 to 48.5)2464 (32.3)50.2 (45.7 to 55.2)
 30–60 min walk2314 (33.3)26.9 (23.6 to 30.6)2255 (29.5)37.6 (33.7 to 42.1)
 60–90 min walk938 (13.5)19.1 (15.0 to 24.2)841 (11.0)33.5 (27.7 to 40.7)
 ≥90 min walk839 (12.1)15.4 (11.6 to 20.3)832 (10.9)27.8 (22.5 to 34.4)
Urbanisation
 Urban2755 (39.6)29.3 (26.1 to 32.9)2626 (34.4)38.0 (34.3 to 42.1)
 Semiurban2201 (31.7)28.5 (25.1 to 32.5)2506 (32.8)43.1 (39.0 to 47.6)
 Rural1997 (28.7)33.1 (29.1 to 37.6)2504 (32.8)43.6 (39.5 to 48.1)