Sociodemographic and life-style factors of men and women in the OPAL Cohort Study
| Characteristic | Men (n=2625) | Women (n=2784) |
| Age, mean (SD) | 74.8 (6.7) | 75.0 (6.8) |
| Age groups, n (%) | ||
| 65–69 | 784 (29.9) | 801 (28.8) |
| 70–74 | 696 (26.5) | 734 (26.4) |
| 75–79 | 542 (20.7) | 618 (22.2) |
| 80–84 | 355 (13.5) | 356 (12.8) |
| 85–89 | 196 (7.5) | 203 (7.3) |
| 90+ | 52 (2.0) | 72 (2.6) |
| Ethnicity (white), n (%) | 2465 (93.9) | 2667 (95.8) |
| Relationship status, n (%) | ||
| Married/civil union | 1897 (72.3) | 1506 (54.1) |
| Living with partner | 114 (4.3) | 85 (3.1) |
| Unmarried (never married) | 117 (4.5) | 105 (3.8) |
| Separated/divorced | 185 (7.1) | 273 (9.8) |
| Widow/widower | 305 (11.6) | 809 (29.1) |
| Live alone, n (%) | 534 (20.3) | 1021 (36.7) |
| Education, n (%) | ||
| High professional or university | 1017 (38.7) | 895 (32.2) |
| Secondary school only | 1370 (52.2) | 1681 (60.4) |
| None or primary | 219 (8.3) | 189 (6.8) |
| Work status (retired), n (%) | 2187 (83.3) | 2402 (86.3) |
| Quintiles of IMD, n (%) | ||
| Q1—Most deprived | 293 (11.2) | 289 (10.4) |
| Q2 | 323 (12.3) | 339 (12.2) |
| Q3 | 542 (20.7) | 613 (22.0) |
| Q4 | 575 (21.9) | 591 (21.2) |
| Q5—Least deprived | 892 (34.0) | 952 (34.2) |
| BMI (kg/m2), mean (SD) | 26.8 (4.3) | 26.4 (5.3) |
| Smoking status, n (%) | ||
| Never | 1071 (40.8) | 1618 (58.1) |
| Ex-smoker | 1401 (53.4) | 1040 (37.4) |
| Current | 145 (5.5) | 118 (4.2) |
| Cigarettes per day, median (IQR) | 15 (10–20) | 10 (5–17) |
| Alcohol intake once per week, n (%) | 1861 (70.9) | 1361 (48.9) |
Data included older adults 65 years and older at baseline 2016–2018.
BMI, Body Mass Index; IMD, Index of Multiple Deprivation; OPAL, Oxford Pain, Activity and Lifestyle.