Table 1 Baseline characteristics by quartiles of the Simplified Healthy Eating Index among 35 927 Chinese adults aged 80 years or older
From: Healthy eating and all-cause mortality among Chinese aged 80 years or older
Variable – n (%)a | Simplified Healthy Eating-index Quartiles | ||||
|---|---|---|---|---|---|
Quartile 1 (0–8) | Quartile 2 (9–10) | Quartile 3 (11–12) | Quartile 4 (13–18) | Total | |
(N = 11 020) | (N = 11 745) | (N = 8 706) | (N = 4 456) | N = 35 927 | |
Age – median (25th, 75th) | 93 (86, 100) | 92 (85, 100) | 91 (85, 100) | 91 (84, 99) | 92 (85, 100) |
Sex | |||||
Men | 3519 (32%) | 4413 (38%) | 3696 (42%) | 2291 (51%) | 13,919 (39%) |
Women | 7501 (68%) | 7332 (62%) | 5010 (58%) | 2165 (49%) | 22,008 (61%) |
Education (years of schooling) | |||||
None (0) | 8626 (78%) | 8501 (72%) | 5631 (65%) | 2381 (53%) | 25,139 (70%) |
Primary school (1–5) | 1795 (16%) | 2269 (19%) | 1933 (22%) | 1090 (24%) | 7087 (20%) |
Middle school or higher (> 5) | 599 (5%) | 975 (8%) | 1142 (13%) | 985 (22%) | 3701 (10%) |
Ethnicity | |||||
The minority | 671 (6%) | 910 (8%) | 472 (5%) | 209 (5%) | 2262 (6%) |
Han | 10,349 (94%) | 10,835 (92%) | 8234 (95%) | 4247 (95%) | 33,665 (94%) |
Marital status | |||||
Currently married and living with spouse | 1544 (14%) | 1948 (17%) | 1763 (20%) | 1080 (24%) | 6335 (18%) |
Separated/divorced/never married/Widowed | 9476 (86%) | 9797 (83%) | 6943 (80%) | 3376 (76%) | 29,592 (82%) |
Place of residence | |||||
Urban | 3710 (34%) | 4629 (39%) | 4222 (48%) | 2612 (59%) | 15,173 (42%) |
Rural | 7310 (66%) | 7116 (61%) | 4484 (52%) | 1844 (41%) | 20,754 (58%) |
Occupation before age 60 | |||||
Manual | 287 (3%) | 478 (4%) | 633 (7%) | 663 (15%) | 2061 (6%) |
Non-manual | 10,733 (97%) | 11,267 (96%) | 8073 (93%) | 3793 (85%) | 33,866 (94%) |
Co-residence | |||||
With household member(s) | 8723 (79%) | 9643 (82%) | 7408 (85%) | 3875 (87%) | 29,649 (83%) |
Alone | 1905 (17%) | 1568 (13%) | 943 (11%) | 433 (10%) | 4849 (13%) |
In an institution | 392 (4%) | 534 (5%) | 355 (4%) | 148 (3%) | 1429 (4%) |
Smoking status | |||||
Current smoker | 8113 (74%) | 8352 (71%) | 5883 (68%) | 2883 (65%) | 25,231 (70%) |
Former smoker | 1400 (13%) | 1618 (14%) | 1337 (15%) | 845 (19%) | 5200 (14%) |
Never smoked | 1507 (14%) | 1775 (15%) | 1486 (17%) | 728 (16%) | 5496 (15%) |
Current physical activity | |||||
No | 9020 (82%) | 9081 (77%) | 6045 (69%) | 2641 (59%) | 26,787 (75%) |
Yes | 2000 (18%) | 2664 (23%) | 2661 (31%) | 1815 (41%) | 9140 (25%) |
Drinking statusb | |||||
Never/former | 9221 (84%) | 9545 (81%) | 6923 (80%) | 3547 (80%) | 29,236 (81%) |
Light | 579 (5%) | 715 (6%) | 618 (7%) | 370 (8%) | 2282 (6%) |
Heavy | 1220 (11%) | 1485 (13%) | 1165 (13%) | 539 (12%) | 4409 (12%) |