Table 1 Baseline characteristics by modifiable risk factor score and polygenic risk score categories

From: Modifiable risk factors attenuated longevity genetic predisposition on life expectancy in the oldest old

Characteristics

Modifiable risk factor score

P value

Polygenic risk score

P value

High

Medium

Low

Low

High

N

515

514

516

 

782

763

 

 Age (mean (SD))

99.05 (7.65)

94.93 (9.54)

92.52 (9.47)

<0.001

94.16 (9.54)

96.87 (8.89)

<0.001

Age group

 80-99 years

119 (23.1)

226 (44.0)

295 (57.2)

<0.001

385 (49.2)

255 (33.4)

<0.001

 ≥100 years

396 (76.9)

288 (56.0)

221 (42.8)

 

397 (50.8)

508 (66.6)

 

Sex

 Male

93 (18.1)

117 (22.8)

210 (40.7)

<0.001

199 (25.4)

221 (29.0)

0.135

 Female

422 (81.9)

397 (77.2)

306 (59.3)

 

583 (74.6)

542 (71.0)

 

Marital status

 Married

99 (19.2)

145 (28.2)

174 (33.7)

<0.001

231 (29.5)

187 (24.5)

0.03

 Others

416 (80.8)

369 (71.8)

342 (66.3)

 

551 (70.5)

576 (75.5)

 

Work

 Manual

512 (99.4)

498 (96.9)

482 (93.4)

<0.001

754 (96.4)

738 (96.7)

0.851

 Non-manual

3 (0.6)

16 (3.1)

34 (6.6)

 

28 (3.6)

25 (3.3)

 

Disease

 CVD

29 (5.6)

32 (6.2)

91 (5.9)

0.927

49 (6.3)

42 (5.5)

0.598

 Stroke

13 (2.5)

11 (2.1)

38 (2.5)

0.825

21 (2.7)

17 (2.2)

0.677

 Cancer

1 (0.2)

4 (0.8)

7 (0.5)

0.369

3 (0.4)

4 (0.5)

0.974

Education

 Healthy

6 (1.2)

21 (4.1)

73 (14.1)

<0.001

50 (6.4)

50 (6.6)

0.981

 Unhealthy

509 (98.8)

493 (95.9)

443 (85.9)

 

732 (93.6)

713 (93.4)

 

Depression

 Healthy

251 (48.7)

402 (78.2)

473 (91.7)

<0.001

579 (74.0)

547 (71.7)

0.326

 Unhealthy

264 (51.3)

112 (21.8)

43 (8.3)

 

203 (26.0)

216 (28.3)

 

Smoking

 Healthy

421 (81.7)

453 (88.1)

452 (87.6)

0.005

682 (87.2)

644 (84.4)

0.131

 Unhealthy

94 (18.3)

61 (11.9)

64 (12.4)

 

100 (12.8)

119 (15.6)

 

Alcohol

 Healthy

439 (85.2)

421 (81.9)

358 (69.4)

<0.001

638 (81.6)

580 (76.0)

0.009

 Unhealthy

76 (14.8)

93 (18.1)

158 (30.6)

 

144 (18.4)

183 (24.0)

 

Physical activity

 Healthy

37 (7.2)

173 (33.7)

458 (88.8)

<0.001

352 (45.0)

316 (41.4)

0.169

 Unhealthy

478 (92.8)

341 (66.3)

58 (11.2)

 

430 (55.0)

447 (58.6)

 

Diet

 Healthy

202 (39.2)

242 (47.1)

203 (39.3)

0.014

353 (45.1)

294 (38.5)

0.01

 Unhealthy

313 (60.8)

272 (52.9)

313 (60.7)

 

429 (54.9)

469 (61.5)

 

Sleep

 Healthy

226 (43.9)

310 (60.3)

365 (70.7)

<0.001

462 (59.1)

439 (57.5)

0.573

 Unhealthy

289 (56.1)

204 (39.7)

151 (29.3)

 

320 (40.9)

324 (42.5)

 

BMI

 Healthy

93 (18.1)

332 (64.6)

425 (82.4)

<0.001

447 (57.2)

403 (52.8)

0.096

 Unhealthy

422 (81.9)

182 (35.4)

91 (17.6)

 

335 (42.8)

360 (47.2)

 

Diabetes

 Healthy

474 (92.0)

459 (89.3)

446 (86.4)

0.015

702 (89.8)

677 (88.7)

0.563

 Unhealthy

41 (8.0)

55 (10.7)

70 (13.6)

 

80 (10.2)

86 (11.3)

 

Hypertension

 Healthy

121 (23.5)

146 (28.4)

171 (33.1)

0.003

210 (26.9)

228 (29.9)

0.206

 Unhealthy

394 (76.5)

368 (71.6)

345 (66.9)

 

572 (73.1)

535 (70.1)

 

Dyslipidemia

 Healthy

393 (76.3)

362 (70.4)

353 (68.4)

0.014

538 (68.8)

570 (74.7)

0.012

 Unhealthy

122 (23.7)

152 (29.6)

163 (31.6)

 

244 (31.2)

193 (25.3)

 

Modifiable risk factor/ Polygenic risk score

 Low

235 (45.6)

282 (54.9)

265 (51.4)

0.011

265 (33.9)

251 (32.9)

0.011

 Medium

    

282 (36.1)

232 (30.4)

 

 High

280 (54.4)

232 (45.1)

251 (48.6)

 

235 (30.1)

280 (36.7)

 
  1. Data are mean (standard deviation) for continuous variables and number (percentage) for dichotomous variables. Percentages may not sum to 100 because of rounding. Other marital status includes Separated/divorced/divorced/Widowed/Never married.
  2. CVD Cardiovascular disease, BMI Body mass index.