Table 1.
Baseline characteristics and crude mortality rates
| n (%) | All causes | Natural causes | Unnatural causes | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Number of deaths | Crude mortality per 100 000 person years (95% CI) | Number of deaths | Crude mortality per 100 000 person years (95% CI) | Number of deaths | Crude mortality per 100 000 person years (95% CI) | ||||
| Total cohort | 18 201 | 1767 | 1439·7 (1374·1–1508·4) | 1417 | 1154·6 (1096·0–1216·3) | 192 | 156·4 (135·8–180·2) | ||
| Diagnosis | |||||||||
| Affective | 5041 (27·7%) | 409 | 1338·9 (1215·3–1475·2) | 327 | 1070·5 (960·5–1193·0) | 51 | 167·0 (126·9–219·7) | ||
| Non-affective | 13 160 (72·3%) | 1358 | 1473·1 (1396·8–1553·6) | 1090 | 1182·4 (1114·3–1254·7) | 141 | 153·0 (129·7–180·4) | ||
| Ethnicity | |||||||||
| White British | 9047 (49·7%) | 1130 | 1989·8 (1877·1–2109·2) | 913 | 1607·7 (1506·7–1715·4) | 125 | 220·1 (184·7–262·3) | ||
| Black African | 2510 (13·8%) | 106 | 645·9 (533·9–781·3) | 82 | 499·7 (402·42–620·4) | 18 | 109·7 (69·1–174·1) | ||
| Black Caribbean | 4840 (26·6%) | 332 | 880·5 (790·7–980·5) | 256 | 678·9 (600·7–767·4) | 33 | 87·5 (62·2–123·1) | ||
| South Asian | 1256 (6·9%) | 95 | 1178·2 (963·6–1440·6) | 77 | 955·0 (763·8–1194·0) | 11 | 136·4 (75·6–246·3) | ||
| Irish | 548 (3·0%) | 104 | 2765·9 (2282·3–3352·1) | 89 | 2367·0 (1923·0–2913·6) | 5 | 133·0 (55·3–319·5) | ||
| Sex | |||||||||
| Male | 9610 (52·8%) | 908 | 1340·3 (1255·9–1430·4) | 707 | 1043·6 (969·4–1123·4) | 132 | 194·8 (164·3–231·1) | ||
| Female | 8591 (47·2%) | 859 | 1562·3 (1461·2–1670·3) | 710 | 1291·3 (1199·7–1389·8) | 60 | 109·1 (84·7–140·5) | ||
| Area-level deprivation (IMD rank) | |||||||||
| Median (IQR) | 7200 (4737–11 610)* | ·· | ·· | ·· | ·· | ·· | ·· | ||
| IMD fifths | |||||||||
| First (least deprived) | 3667 (20·2%) | 377 | 1442·3 (1303·8–1595·5) | 305 | 1116·8 (1043·0–1305·4) | 33 | 126·2 (89·8–177·6) | ||
| Second | 3646 (20·0%) | 342 | 1332·4 (1198·4–1481·4) | 273 | 1063·6 (944·6–1197·5) | 35 | 136·4 (97·9–189·9) | ||
| Third | 3629 (19·9%) | 313 | 1250·5 (1119·3–1397·0) | 247 | 986·8 (871·1–117·9) | 37 | 147·8 (107·1–204·0) | ||
| Fourth | 3673 (20·2%) | 371 | 1493·2 (1348·7–1653·2) | 297 | 1195·4 (1066·9–1339·4) | 39 | 156·9 (114·7–214·8) | ||
| Fifth (most deprived) | 3586 (19·7%) | 364 | 1729·4 (1560·5–1916·5) | 295 | 1401·5 (1250·4–1571·0) | 48 | 220·0 (171·9–302·6) | ||
| Marital status | |||||||||
| Married or cohabiting | 2781 (15·2%) | 267 | 1583·1 (1404·2–1784·9) | 220 | 1304·4 (1143·0–1488·7) | 22 | 130·4 (85·9–198·1) | ||
| Single, divorced, widowed, or separated | 15 420 (84·7%) | 1500 | 1416·9 (1347·0–1490·4) | 1197 | 1130·7 (1068·4–1196·6) | 170 | 160·6 (138·2–186·6) | ||
| Comorbid substance misuse diagnosis | |||||||||
| None | 15 046 (82·7%) | 1519 | 1505·8 (1431·9–1583·4) | 1251 | 1240·1 (1173·3–1310·8) | 128 | 126·9 (106·7–150·9) | ||
| Present | 3155 (17·3%) | 248 | 1134·8 (1002·0–1285·2) | 166 | 759·6 (652·4–884·4) | 64 | 292·9 (229·2–374·2) | ||
IMD=Index of Multiple Deprivation. Data for 158 individuals who died from unknown causes not elsewhere classified (R00–99) have not been displayed.
*
Range for the IMD at the level of Lower Super Output Area for England is 1 (most deprived) to 32 844 (least deprived); therefore, the rank of 7200 is out of 32 844 small areas in England—ie, the study area is among the 22% (IQR 14–35) most deprived in the country.