Age adjusted rates, Finnish population in 1996 used as standard population, and 95% confidence intervals (95% CI) for coronary artery bypass grafting (CABG), percutaneus transluminal coronary angioplasty (PTCA), coronary angiography, hospital utilisation attributable to coronary heart disease (CHD) and mortality from coronary heart disease by social class, education, and family disposable income in 1988 and 1996 in Finland, men and women aged 40–69
| CABG, 1988 | Annual risk of hospitalisation due to CHD, 1988 | CABG and PTCA, 1996 | Annual risk of hospitalisation due to CHD, 1996 | Coronary angiography, 1996 | Annual mortality from CHD, 1991–1995 | |
|---|---|---|---|---|---|---|
| per 100 000 (95% CI) | per 100 000 (95% CI) | per 100 000 (95% CI) | per 100 000 (95% CI) | per 100 000 (95% CI) | per 100 000 (95% CI) | |
| Men | ||||||
| Social class | ||||||
| Upper white collar | 241 (210 to 275) | 1172 (1102 to 1246) | 400 (367 to 436) | 939 (886 to 994) | 555 (516 to 596) | 186 (175 to 199) |
| Lower white collar | 224 (200 to 251) | 1588 (1521 to 1657) | 503 (467 to 541) | 1233 (1177 to 1292) | 644 (604 to 687) | 268 (256 to 281) |
| Blue collar | 191 (174 to 209) | 1698 (1647 to 1750) | 440 (420 to 461) | 1354 (1319 to 1391) | 601 (578 to 625) | 380 (371 to 388) |
| Farmer | 157 (135 to 181) | 1461 (1394 to 1530) | 419 (381 to 460) | 1215 (1150 to 1282) | 563 (518 to 611) | 310 (296 to 324) |
| Other | 137 (121 to 155) | 1413 (1359 to 1468) | 428 (392 to 466) | 1361 (1296 to 1428) | 601 (559 to 646) | 443 (426 to 462) |
| Education | ||||||
| High | 222 (187 to 260) | 999 (923 to 1080) | 372 (337 to 411) | 815 (761 to 872) | 486 (445 to 529) | 167 (155 to 180) |
| Intermediate | 221 (198 to 244) | 1527 (1467 to 1589) | 460 (434 to 486) | 1262 (1219 to 1306) | 638 (609 to 669) | 290 (280 to 301) |
| Low | 169 (159 to 181) | 1570 (1537 to 1603) | 444 (427 to 463) | 1345 (1314 to 1376) | 598 (578 to 620) | 377 (370 to 384) |
| Disposable income | ||||||
| 1st-highest | 240 (218 to 264) | 1340 (1285 to 1396) | 447 (420 to 474) | 1083 (1041 to 1127) | 607 (576 to 638) | 189 (180 to 199) |
| 2nd | 208 (185 to 233) | 1519 (1455 to 1586) | 473 (443 to 504) | 1265 (1216 to 1316) | 631 (597 to 667) | 259 (248 to 271) |
| 3rd | 183 (161 to 206) | 1600 (1535 to 1667) | 487 (457 to 519) | 1354 (1305 to 1406) | 652 (617 to 689) | 313 (301 to 325) |
| 4th | 159 (141 to 179) | 1597 (1540 to 1656) | 423 (393 to 455) | 1413 (1359 to 1469) | 577 (541 to 615) | 380 (368 to 393) |
| 5th-lowest | 126 (108 to 146) | 1523 (1460 to 1588) | 301 (268 to 336) | 1187 (1121 to 1257) | 441 (402 to 483) | 505 (491 to 519) |
| Total | 185 (175 to 194) | 1514 (1487 to 1542) | 440 (427 to 454) | 1261 (1238 to 1285) | 597 (582 to 613) | 337 (331 to 342) |
| Women | ||||||
| Social class | ||||||
| Upper white collar | 26 (16 to 40) | 336 (295 to 381) | 87 (70 to 107) | 286 (254 to 321) | 188 (163 to 216) | 30 (25 to 36) |
| Lower white collar | 42 (34 to 50) | 508 (481 to 535) | 106 (95 to 117) | 411 (390 to 433) | 226 (211 to 242) | 48 (45 to 52) |
| Blue collar | 32 (26 to 40) | 671 (640 to 705) | 149 (136 to 162) | 546 (522 to 571) | 250 (233 to 267) | 83 (79 to 88) |
| Farmer | 24 (16 to 35) | 720 (674 to 770) | 133 (111 to 158) | 592 (546 to 641) | 254 (222 to 288) | 78 (71 to 86) |
| Other | 39 (31 to 48) | 579 (548 to 611) | 107 (87 to 130) | 603 (555 to 655) | 219 (190 to 252) | 151 (140 to 162) |
| Education | ||||||
| High | 19 (9 to 34) | 230 (192 to 273) | 71 (55 to 90) | 236 (206 to 270) | 168 (144 to 196) | 22 (17 to 27) |
| Intermediate | 33 (26 to 43) | 433 (403 to 464) | 97 (87 to 109) | 395 (373 to 419) | 220 (203 to 237) | 47 (43 to 51) |
| Low | 37 (33 to 42) | 648 (630 to 667) | 141 (132 to 151) | 559 (540 to 578) | 250 (237 to 263) | 88 (85 to 91) |
| Disposable income | ||||||
| 1st-highest | 37 (28 to 47) | 370 (341 to 400) | 99 (86 to 112) | 322 (298 to 347) | 210 (192 to 229) | 28 (25 to 32) |
| 2nd | 40 (30 to 51) | 479 (445 to 515) | 103 (90 to 118) | 385 (359 to 413) | 229 (209 to 250) | 48 (43 to 52) |
| 3rd | 36 (28 to 47) | 566 (530 to 603) | 165 (148 to 182) | 548 (519 to 579) | 282 (261 to 305) | 65 (60 to 70) |
| 4th | 37 (30 to 46) | 697 (665 to 730) | 130 (116 to 146) | 615 (584 to 647) | 233 (213 to 255) | 90 (84 to 95) |
| 5th-lowest | 26 (19 to 34) | 703 (667 to 741) | 94 (76 to 114) | 551 (506 to 598) | 180 (155 to 208) | 139 (132 to 147) |
| Total | 35 (31 to 39) | 582 (567 to 597) | 121 (115 to 128) | 483 (469 to 497) | 232 (223 to 242) | 74 (71 to 76) |