Background
Methods
Study design
Main exposure: change in waist circumference
Participant selection
Adjustment variables
Endpoints
Statistical analyses
Results
Description of the cohort
Categories of change in waist circumference (WC) (cm) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Loss > 5 cm | Loss > 2.5 and ≤ 5 cm | Loss or gain ≤2.5 cm | Gain > 2.5 and ≤ 5 cm | Gain > 5 cm | All | |||||||
MEN, N (row %)
| 641 (11.7) | 656 (12.0) | 2211 (40.4) | 926 (16.9) | 1035 (18.9) | 5469 | 100.0% | |||||
WC at 1HE (cm) | 99.0 | 9.2 | 96.8 | 9.1 | 95.3 | 8.9 | 93.8 | 8.6 | 92.4 | 9.7 | 95.1 | 9.3 |
WC at 2HE (cm) | 91.0 | 9.2 | 93.2 | 9.1 | 95.4 | 8.9 | 97.6 | 8.6 | 100.5 | 10.0 | 96.0 | 9.6 |
WC change (cm) | −8.0 | 3.1 | −3.7 | 0.7 | 0.1 | 1.4 | 3.8 | 0.7 | 8.1 | 2.9 | 0.8 | 5.2 |
Annual WC change (cm) | −2.3 | 1.0 | −1.1 | 0.3 | 0.0 | 0.4 | 1.1 | 0.3 | 2.2 | 0.9 | 0.2 | 1.5 |
Age at 1HE (years) | 59.6 | 9.3 | 59.7 | 9.0 | 58.8 | 8.9 | 58.7 | 8.9 | 58.6 | 8.7 | 58.9 | 8.9 |
Age at 2HE (years) | 62.8 | 9.4 | 62.8 | 9.1 | 61.9 | 9.0 | 61.9 | 9.0 | 61.8 | 8.7 | 62.1 | 9.0 |
Age change (years) | 3.2 | 0.8 | 3.1 | 0.8 | 3.1 | 0.8 | 3.2 | 0.8 | 3.3 | 0.8 | 3.2 | 0.8 |
Weight at 1HE (kg) | 81.7 | 10.7 | 80.4 | 10.9 | 80.0 | 10.8 | 79.8 | 10.2 | 80.2 | 11.7 | 80.2 | 10.9 |
Weight at 2HE (kg) | 79.0 | 10.5 | 79.9 | 11.0 | 81.0 | 11.2 | 82.4 | 10.7 | 84.4 | 12.8 | 81.5 | 11.5 |
Weight change (kg) | −2.7 | 3.6 | −0.5 | 2.9 | 1.1 | 2.6 | 2.6 | 2.7 | 4.2 | 3.5 | 1.3 | 3.6 |
BMI at 1HE (kg/m2) | 26.8 | 3.2 | 26.5 | 3.1 | 26.3 | 3.1 | 26.2 | 3.0 | 26.3 | 3.3 | 26.3 | 3.1 |
BMI at 2HE (kg/m2) | 26.0 | 3.1 | 26.4 | 3.2 | 26.7 | 3.2 | 27.1 | 3.1 | 27.8 | 3.6 | 26.9 | 3.3 |
BMI change (kg/m2) | −0.8 | 1.2 | −0.1 | 0.9 | 0.4 | 0.9 | 0.9 | 0.9 | 1.5 | 1.2 | 0.5 | 1.2 |
Education - 1HE | ||||||||||||
None | 172 | 26.8 | 164 | 25.0 | 573 | 25.9 | 248 | 26.8 | 287 | 27.7 | 1444 | 26.4% |
O level and above | 469 | 73.2 | 492 | 75.0 | 1638 | 74.1 | 678 | 73.2 | 748 | 72.3 | 4025 | 73.6% |
Social class - 1HE | ||||||||||||
Non-manual | 412 | 64.3 | 414 | 63.1 | 1352 | 61.2 | 585 | 63.2 | 632 | 61.1 | 3395 | 62.1% |
Manual | 229 | 35.7 | 242 | 36.9 | 859 | 38.8 | 341 | 36.8 | 403 | 38.9 | 2074 | 37.9% |
Smoking status - 1HE | ||||||||||||
Current | 66 | 10.3 | 60 | 9.2 | 185 | 8.4 | 86 | 9.3 | 110 | 10.6 | 507 | 9.3% |
Former | 321 | 50.1 | 341 | 52.0 | 1200 | 54.3 | 477 | 51.5 | 559 | 54.0 | 2898 | 53.0% |
Never | 254 | 39.6 | 255 | 38.9 | 826 | 37.4 | 363 | 39.2 | 366 | 35.4 | 2064 | 37.7% |
Smoking status - 2HE | ||||||||||||
Current | 67 | 10.5 | 59 | 9.0 | 166 | 7.5 | 65 | 7.0 | 81 | 7.8 | 438 | 8.0% |
Former | 320 | 49.9 | 342 | 52.1 | 1221 | 55.2 | 498 | 53.8 | 589 | 56.9 | 2970 | 54.3% |
Never | 254 | 39.6 | 255 | 38.9 | 824 | 37.3 | 363 | 39.2 | 365 | 35.3 | 2061 | 37.7% |
Physical activity - 1HE | ||||||||||||
Inactive | 193 | 30.1 | 160 | 24.4 | 601 | 27.2 | 233 | 25.2 | 257 | 24.8 | 1444 | 26.4% |
Moderately inactive | 163 | 25.4 | 196 | 29.9 | 529 | 23.9 | 216 | 23.3 | 249 | 24.1 | 1353 | 24.7% |
Moderately active | 156 | 24.3 | 159 | 24.2 | 541 | 24.5 | 249 | 26.9 | 272 | 26.3 | 1377 | 25.2% |
Active | 129 | 20.1 | 141 | 21.5 | 540 | 24.4 | 228 | 24.6 | 257 | 24.8 | 1295 | 23.7% |
Deaths during follow-up | 218 | 34.0 | 196 | 29.9 | 585 | 26.5 | 246 | 26.6 | 306 | 29.6 | 1551 | 28.4% |
Lost weight in last 5 years (2HE) | ||||||||||||
Diet | 61 | 22.9 | 42 | 15.8 | 92 | 34.6 | 28 | 10.5 | 43 | 16.2 | 266 | 4.9% |
Illness | 28 | 21.7 | 7 | 5.4 | 51 | 39.5 | 17 | 13.2 | 26 | 20.2 | 129 | 2.4% |
WOMEN, N (row %)
| 873 (12.7) | 875 (12.7) | 2596 (37.8) | 1131 (16.5) | 1393 (20.3) | 6868 | 100.0% | |||||
WC at 1HE (cm) | 87.2 | 11.4 | 82.6 | 10.5 | 80.0 | 9.5 | 79.1 | 9.7 | 79.6 | 9.2 | 81.0 | 10.2 |
WC at 2HE (cm) | 78.8 | 10.7 | 78.9 | 10.5 | 80.1 | 9.6 | 82.8 | 9.7 | 88.0 | 10.0 | 81.9 | 10.5 |
WC change (cm) | −8.4 | 3.5 | −3.7 | 0.8 | 0.1 | 1.4 | 3.7 | 0.7 | 8.4 | 3.3 | 0.8 | 5.6 |
Annual WC change (cm) | −2.4 | 1.2 | −1.1 | 0.3 | 0.0 | 0.4 | 1.1 | 0.3 | 2.4 | 1.1 | 0.2 | 1.6 |
Age at 1HE (years) | 58.7 | 9.0 | 58.5 | 9.2 | 58.0 | 8.9 | 57.4 | 8.6 | 57.5 | 8.5 | 58.0 | 8.8 |
Age at 2HE (years) | 61.9 | 9.2 | 61.6 | 9.3 | 61.2 | 9.0 | 60.5 | 8.6 | 60.6 | 8.6 | 61.1 | 8.9 |
Age change (years) | 3.1 | 0.8 | 3.2 | 0.8 | 3.1 | 0.8 | 3.1 | 0.8 | 3.2 | 0.8 | 3.2 | 0.8 |
Weight at 1HE (kg) | 70.1 | 12.8 | 67.8 | 11.7 | 66.2 | 10.4 | 66.7 | 10.6 | 68.5 | 10.7 | 67.5 | 11.1 |
Weight at 2HE (kg) | 67.7 | 12.1 | 67.3 | 11.7 | 67.3 | 10.8 | 69.2 | 11.2 | 73.0 | 12.0 | 68.9 | 11.6 |
Weight change (kg) | −2.4 | 4.8 | −0.5 | 3.3 | 1.1 | 2.9 | 2.5 | 3.2 | 4.5 | 4.2 | 1.4 | 4.1 |
BMI at 1HE (kg/m2) | 26.9 | 4.6 | 26.0 | 4.3 | 25.5 | 3.8 | 25.6 | 3.9 | 26.3 | 3.9 | 25.9 | 4.0 |
BMI at 2HE (kg/m2) | 26.1 | 4.3 | 26.0 | 4.4 | 26.0 | 4.0 | 26.6 | 4.2 | 28.1 | 4.4 | 26.6 | 4.3 |
BMI change (kg/m2) | −0.8 | 1.8 | −0.1 | 1.2 | 0.5 | 1.1 | 1.0 | 1.2 | 1.9 | 1.6 | 0.7 | 1.6 |
Education - 1HE | ||||||||||||
None | 291 | 33.3 | 321 | 36.7 | 983 | 37.9 | 402 | 35.5 | 528 | 37.9 | 2525 | 36.8% |
O level and above | 582 | 66.7 | 554 | 63.3 | 1613 | 62.1 | 729 | 64.5 | 865 | 62.1 | 4343 | 63.2% |
Social class - 1HE | ||||||||||||
Non-manual | 537 | 61.5 | 558 | 63.8 | 1659 | 63.9 | 727 | 64.3 | 877 | 63.0 | 4358 | 63.4% |
Manual | 336 | 38.5 | 317 | 36.2 | 937 | 36.1 | 404 | 35.7 | 516 | 37.0 | 2510 | 36.6% |
Smoking status - 1HE | ||||||||||||
Current | 94 | 10.8 | 72 | 8.2 | 224 | 8.6 | 100 | 8.8 | 128 | 9.2 | 618 | 9.0% |
Former | 290 | 33.2 | 287 | 32.8 | 794 | 30.6 | 329 | 29.1 | 469 | 33.7 | 2169 | 31.6% |
Never | 489 | 56.0 | 516 | 59.0 | 1578 | 60.8 | 702 | 62.1 | 796 | 57.1 | 4081 | 59.4% |
Smoking status - 2HE | ||||||||||||
Current | 88 | 10.1 | 70 | 8.0 | 206 | 7.9 | 76 | 6.7 | 105 | 7.5 | 545 | 7.9% |
Former | 297 | 34.0 | 289 | 33.0 | 814 | 31.4 | 353 | 31.2 | 494 | 35.5 | 2247 | 32.7% |
Never | 488 | 55.9 | 516 | 59.0 | 1576 | 60.7 | 702 | 62.1 | 794 | 57.0 | 4076 | 59.4% |
Physical activity - 1HE | ||||||||||||
Inactive | 234 | 26.8 | 236 | 27.0 | 622 | 24.0 | 245 | 21.7 | 369 | 26.5 | 1706 | 24.8% |
Moderately inactive | 282 | 32.3 | 275 | 31.4 | 874 | 33.7 | 390 | 34.5 | 457 | 32.8 | 2278 | 33.2% |
Moderately active | 220 | 25.2 | 206 | 23.5 | 631 | 24.3 | 291 | 25.7 | 328 | 23.6 | 1676 | 24.4% |
Active | 137 | 15.7 | 158 | 18.1 | 469 | 18.1 | 205 | 18.1 | 239 | 17.2 | 1208 | 17.6% |
Deaths during follow-up | 212 | 24.3 | 181 | 20.7 | 487 | 18.8 | 176 | 15.6 | 259 | 18.6 | 1315 | 19.2% |
Menopausal status (2HE) | ||||||||||||
Pre-menopausal | 51 | 5.8 | 55 | 6.3 | 170 | 6.6 | 67 | 5.9 | 86 | 6.2 | 429 | 6.3% |
Early peri-menopausal | 26 | 3.0 | 34 | 3.9 | 80 | 3.1 | 63 | 5.6 | 48 | 3.5 | 251 | 3.7% |
Late peri-menopausal (1–5 y) | 149 | 17.1 | 168 | 19.2 | 504 | 19.4 | 213 | 18.8 | 288 | 20.7 | 1322 | 19.3% |
Post-menopausal (> 5 y) | 647 | 74.1 | 618 | 70.6 | 1842 | 71.0 | 788 | 69.7 | 971 | 69.7 | 4866 | 70.9% |
Lost weight in last 5 years (2HE) | ||||||||||||
Diet | 179 | 23.6 | 108 | 14.3 | 233 | 30.8 | 94 | 12.4 | 143 | 18.9 | 757 | 11.0% |
Illness | 33 | 19.5 | 25 | 14.8 | 62 | 36.7 | 26 | 15.4 | 23 | 13.6 | 169 | 2.5% |
Main analyses: total and CVD mortality
Categories of change in waist circumference (WC) (cm) | |||||
---|---|---|---|---|---|
Loss > 5 cm | Loss > 2.5 and ≤ 5 cm | Loss or gain ≤2.5 cm | Gain > 2.5 and ≤ 5 cm | Gain > 5 cm | |
Men, N (%) | 641 (11.7) | 656 (12.0) | 2211 (40.4) | 926 (16.9) | 1035 (18.9) |
All-cause mortality | |||||
Number of events | 218 (34.0) | 196 (29.9) | 585 (26.5) | 246 (26.6) | 306 (29.5) |
Model 1 | ** 1.28 (1.09–1.49) | 1.07 (0.91–1.26) | Ref | 1.04 (0.90–1.21) | * 1.19 (1.03–1.36) |
Model 2 | 1.14 (0.97–1.34) | 1.03 (0.87–1.21) | Ref | 1.06 (0.91–1.23) | ** 1.26 (1.10–1.46) |
Model 3 | 0.93 (0.78–1.10) | 0.95 (0.80–1.12) | Ref | 1.15 (0.99–1.34) | *** 1.51 (1.29–1.75) |
CVD mortality | |||||
Number of events | 64 (10.0) | 62 (9.4) | 153 (6.9) | 66 (7.1) | 95 (9.2) |
Model 1 | * 1.42 (1.06–1.90) | 1.28 (0.95–1.72) | Ref | 1.08 (0.81–1.44) | ** 1.42 (1.10–1.84) |
Model 2 | 1.22 (0.90–1.64) | 1.21 (0.90–1.63) | Ref | 1.09 (0.82–1.46) | ** 1.53 (1.17–1.98) |
Model 3 | 0.97 (0.70–1.34) | 1.11 (0.82–1.49) | Ref | 1.18 (0.88–1.58) | *** 1.84 (1.39–2.43) |
Women, N (%) | 873 (12.7) | 875 (12.7) | 2596 (37.8) | 1131 (16.5) | 1393 (20.3) |
All-cause mortality | |||||
Number of events | 212 (24.3) | 181 (20.7) | 487 (18.8) | 176 (15.6) | 259 (18.6) |
Model 1 | ** 1.26 (1.08–1.48) | 1.03 (0.87–1.22) | Ref | 0.86 (0.73–1.03) | 1.09 (0.93–1.26) |
Model 2 | 1.13 (0.95–1.33) | 0.97 (0.82–1.16) | Ref | 0.91 (0.76–1.08) | 1.15 (0.98–1.34) |
Model 3 | 1.03 (0.87–1.24) | 0.93 (0.78–1.10) | Ref | 0.95 (0.79–1.13) | ** 1.25 (1.06–1.46) |
CVD mortality | |||||
Number of events | 49 (5.6) | 56 (6.4) | 152 (5.8) | 50 (4.4) | 75 (5.4) |
Model 1 | 0.91 (0.66–1.26) | 0.97 (0.72–1.32) | Ref | 0.81 (0.59–1.12) | 1.04 (0.79–1.38) |
Model 2 | 0.80 (0.57–1.11) | 0.91 (0.67–1.24) | Ref | 0.87 (0.63–1.20) | 1.14 (0.86–1.52) |
Model 3 | 0.77 (0.54–1.09) | 0.89 (0.65–1.22) | Ref | 0.87 (0.63–1.21) | 1.15 (0.85–1.55) |
Subgroup analyses
Categories of change in waist circumference (WC) (cm) | |||||||||
---|---|---|---|---|---|---|---|---|---|
loss > 5 cm | loss > 2.5 & ≤5 cm | loss or gain ≤2.5 cm | gain > 2.5 & ≤ 5 cm | gain > 5 cm | |||||
N | % | Deaths | % | HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | ||
All | 5469 | 100.0 | 1551 | 100.0 | 0.93 (0.78–1.10) | 0.95 (0.80–1.12) | Ref | 1.15 (0.99–1.34) | *** 1.51 (1.29–1.75) |
By WC (1HE) | |||||||||
< 94 cm | 2515 | 46.0 | 604 | 38.9 | 0.93 (0.67–1.28) | 1.20 (0.91–1.57) | Ref | 1.04 (0.81–1.32) | * 1.28 (1.02–1.61) |
≥ 94 & ≤ 102 cm | 1854 | 33.9 | 520 | 33.5 | 0.93 (0.69–1.24) | 0.79 (0.58–1.06) | Ref | * 1.34 (1.04–1.73) | *** 1.96 (1.50–2.55) |
> 102 cm | 1100 | 20.1 | 427 | 27.5 | 0.89 (0.66–1.20) | 0.90 (0.67–1.21) | Ref | 1.20 (0.88–1.65) | * 1.42 (1.02–1.99) |
By age (1HE) | |||||||||
< 65 y | 3882 | 71.0 | 573 | 36.9 | 0.99 (0.73–1.34) | 0.97 (0.73–1.29) | Ref | 1.22 (0.95–1.57) | *** 1.78 (1.40–2.26) |
≥ 65 y | 1587 | 29.0 | 978 | 63.1 | 0.91 (0.74–1.13) | 0.94 (0.77–1.15) | Ref | 1.14 (0.94–1.38) | ** 1.38 (1.13–1.68) |
By smoking status (2HC) | |||||||||
current | 438 | 8.0 | 170 | 11.0 | 0.75 (0.45–1.23) | 0.98 (0.60–1.58) | Ref | 1.01 (0.61–1.68) | ** 2.11 (1.32–3.36) |
former | 2970 | 54.3 | 983 | 63.4 | 0.91 (0.72–1.14) | 0.89 (0.72–1.10) | Ref | 1.15 (0.95–1.39) | *** 1.54 (1.28–1.87) |
never | 2061 | 37.7 | 398 | 25.7 | 1.17 (0.84–1.63) | 1.08 (0.78–1.49) | Ref | 1.26 (0.93–1.70) | 1.22 (0.89–1.67) |
By BMI (1HE) | |||||||||
≥ 18.5 & < 25 | 1913 | 35.0 | 505 | 32.6 | 1.03 (0.75–1.41) | 0.94 (0.70–1.26) | Ref | 1.03 (0.79–1.34) | 1.29 (0.99–1.69) |
≥ 25 & < 30 | 2926 | 53.5 | 831 | 53.6 | 0.80 (0.63–1.02) | 0.94 (0.75–1.17) | Ref | 1.22 (0.99–1.50) | ***1.69 (1.37–2.08) |
≥ 30 | 630 | 11.5 | 215 | 13.9 | 1.26 (0.81–1.95) | 0.89 (0.56–1.42) | Ref | 1.38 (0.91–2.10) | 1.34 (0.88–2.04) |
By physical activity (1HC) | |||||||||
inactive | 1444 | 26.4 | 545 | 35.1 | 0.91 (0.68–1.21) | 0.98 (0.74–1.30) | Ref | 1.21 (0.93–1.57) | *** 1.72 (1.34–2.22) |
mod inactive | 1353 | 24.7 | 374 | 24.1 | 1.03 (0.72–1.49) | 1.08 (0.79–1.47) | Ref | 1.14 (0.82–1.58) | * 1.47 (1.07–2.03) |
mod active | 1377 | 25.2 | 336 | 21.7 | 0.86 (0.59–1.23 | 0.69 (0.47–1.01) | Ref | 0.95 (0.69–1.30) | 1.19 (0.86–1.65) |
active | 1295 | 23.7 | 296 | 19.1 | 0.88 (0.57–1.33) | 1.01 (0.69–1.49) | Ref | 1.22 (0.87–1.70) | * 1.50 (1.06–2.12) |
By educational level (1HE) | |||||||||
No qualifications | 1444 | 26.4 | 537 | 34.6 | 0.90 (0.68–1.20) | 1.03 (0.78–1.36) | Ref | 0.90 (0.68–1.19) | *** 1.76 (1.36–2.28) |
O level and above | 4025 | 73.6 | 1014 | 65.4 | 0.96 (0.77–1.19) | 0.90 (0.73–1.11) | Ref | ** 1.29 (1.08–1.55) | ** 1.38 (1.14–1.67) |
By social class (1HE) | |||||||||
Non-manual | 3395 | 62.1 | 932 | 60.1 | 1.03 (0.82–1.29) | 0.90 (0.73–1.11) | Ref | 1.12 (0.92–1.37) | ** 1.39 (1.14–1.69) |
Manual | 2074 | 37.9 | 619 | 39.9 | 0.81 (0.62–1.06) | 1.04 (0.80–1.35) | Ref | 1.17 (0.92–1.49) | *** 1.67 (1.31–2.13) |
Excluding early deaths | |||||||||
Excluding deaths < 3 y | 5347 | 97.8 | 1429 | 92.1 | 0.90 (0.75–1.08) | 0.94 (0.79–1.12) | Ref | 1.16 (0.99–1.35) | *** 1.52 (1.29–1.78) |
Excluding deaths < 5 y | 5211 | 95.3 | 1293 | 83.4 | 0.94 (0.78–1.14) | 0.94 (0.79–1.13) | Ref | 1.13 (0.96–1.34) | *** 1.45 (1.23–1.72) |
Categories of change in waist circumference (WC) (cm) | |||||||||
---|---|---|---|---|---|---|---|---|---|
loss > 5 cm | loss > 2.5 & ≤5 cm | loss or gain ≤2.5 cm | gain > 2.5 & ≤ 5 cm | gain > 5 cm | |||||
N | % | Deaths | % | HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) | ||
All | 6868 | 100.0 | 1315 | 100.0 | 1.03 (0.87–1.24) | 0.93 (0.78–1.10) | Ref | 0.95 (0.79–1.13) | ** 1.25 (1.06–1.46) |
By WC (1HE) | |||||||||
< 80 cm | 3510 | 51.1 | 516 | 39.2 | 1.14 (0.82–1.57) | 1.00 (0.75–1.33) | Ref | 0.95 (0.73–1.23) | 1.07 (0.83–1.38) |
≥ 80 & ≤ 88 cm | 1868 | 27.2 | 392 | 29.8 | 1.26 (0.92–1.73) | 1.11 (0.81–1.51) | Ref | 0.78 (0.54–1.11) | 1.28 (0.96–1.71) |
> 88 cm | 1490 | 21.7 | 407 | 31.0 | 0.80 (0.60–1.07) | 0.76 (0.55–1.03) | Ref | 1.06 (0.76–1.47) | ** 1.53 (1.11–2.11) |
By age (1HE) | |||||||||
< 65 y | 5153 | 75.0 | 518 | 39.4 | 1.23 (0.92–1.64) | 1.07 (0.80–1.43) | Ref | 1.04 (0.80–1.36) | 1.10 (0.85–1.43) |
≥ 65 y | 1715 | 25.0 | 797 | 60.6 | 0.92 (0.74–1.15) | 0.83 (0.66–1.03) | Ref | 0.89 (0.70–1.12) | ** 1.35 (1.10–1.67) |
By smoking status (2HC) | |||||||||
current | 545 | 7.9 | 127 | 9.7 | 1.30 (0.78–2.15) | 0.81 (0.44–1.51) | Ref | 1.26 (0.71–2.24) | 1.15 (0.64–2.07) |
former | 2247 | 32.7 | 479 | 36.4 | 0.80 (0.60–1.08) | 0.79 (0.60–1.06) | Ref | ** 0.62 (0.45–0.86) | 1.14 (0.88–1.48) |
never | 4076 | 59.3 | 709 | 53.9 | 1.15 (0.90–1.48) | 1.05 (0.83–1.33) | Ref | 1.13 (0.90–1.42) | * 1.32 (1.06–1.65) |
By BMI (1HE) | |||||||||
≥ 18.5 & < 25 | 3258 | 47.4 | 548 | 41.7 | 1.09 (0.82–1.43) | 0.91 (0.69–1.19) | Ref | 0.93 (0.71–1.20) | 1.27 (0.98–1.64) |
≥ 25 & < 30 | 2614 | 38.1 | 540 | 41.1 | 1.04 (0.79–1.38) | 1.00 (0.76–1.30) | Ref | 0.84 (0.62–1.13) | 1.23 (0.96–1.58) |
≥ 30 | 996 | 14.5 | 227 | 17.3 | 0.86 (0.57–1.32) | 0.82 (0.52–1.29) | Ref | 1.17 (0.78–1.75) | 1.31 (0.88–1.96) |
By physical activity (1HC) | |||||||||
inactive | 1706 | 24.8 | 501 | 38.1 | 1.14 (0.86–1.51) | 0.97 (0.74–1.27) | Ref | 0.97 (0.72–1.30) | 1.06 (0.81–1.39) |
mod inactive | 2278 | 33.2 | 420 | 31.9 | 1.15 (0.83–1.58) | 1.09 (0.79–1.50) | Ref | 1.11 (0.82–1.50) | ** 1.51 (1.14–2.00) |
mod active | 1676 | 24.4 | 247 | 18.8 | 0.67 (0.43–1.03) | 0.74 (0.49–1.12) | Ref | 0.70 (0.47–1.03) | 1.14 (0.79–1.65) |
active | 1208 | 17.6 | 147 | 11.2 | 1.15 (0.70–1.92) | 0.73 (0.42–1.27) | Ref | 0.92 (0.54–1.54) | 1.41 (0.86–2.32) |
By educational level (1HE) | |||||||||
No qualifications | 2525 | 36.8 | 670 | 51.0 | 1.07 (0.84–1.38) | 0.88 (0.69–1.12) | Ref | 0.88 (0.68–1.12) | 1.20 (0.95–1.50) |
O level and above | 4343 | 63.2 | 645 | 49.0 | 1.00 (0.78–1.29) | 0.99 (0.77–1.27) | Ref | 1.02 (0.80–1.31) | * 1.29 (1.03–1.63) |
By social class (1HE) | |||||||||
Non-manual | 4358 | 63.5 | 848 | 64.5 | 1.00 (0.80–1.26) | 0.99 (0.80–1.22) | Ref | 0.80 (0.64–1.01) | ** 1.30 (1.07–1.58) |
Manual | 2510 | 36.5 | 467 | 35.5 | 1.08 (0.81–1.44) | 0.81 (0.59–1.10) | Ref | 1.21 (0.92–1.59) | 1.14 (0.85–1.51) |
Menopausal status (2HC) | |||||||||
Pre-menopausal | 429 | 6.2 | 9 | 0.7 | 0.00 (0.00 -) | 5.16 (0.75–35.62) | Ref | 0.00 (0.00 -) | 3.91 (0.61–24.96) |
Early peri-menopausal (< 1 y) | 251 | 3.7 | 10 | 0.8 | 0.00 (0.00 -) | 0.38 (0.04–4.00) | Ref | 0.52 (0.09–2.90) | 0.77 (0.11–5.21) |
Late peri-menopausal (1–5 y) | 1322 | 19.2 | 68 | 5.2 | * 2.39 (1.00–5.69) | 1.79 (0.81–3.98) | Ref | ** 2.84 (1.40–5.77) | 1.51 (0.69–3.32) |
Post-menopausal (> 5 y) | 4866 | 70.9 | 1228 | 93.4 | 1.01 (0.84–1.21) | 0.89 (0.74–1.06) | Ref | 0.88 (0.74–1.06) | * 1.23 (1.04–1.45) |
Excluding early deaths | |||||||||
Excluding deaths < 3 y | 6800 | 99.0 | 1247 | 94.8 | 1.02 (0.85–1.22) | 0.94 (0.78–1.12) | Ref | 0.96 (0.80–1.15) | ** 1.23 (1.04–1.33) |
Excluding deaths < 5 y | 6713 | 97.7 | 1160 | 88.2 | 1.03 (0.86–1.2) | 0.94 (0.78–1.13) | Ref | 0.98 (0.82–1.18) | * 1.24 (1.04–1.48) |