Table 1 Relationship of multimorbidity with demographics and health-related behaviour at baseline
|  | No LTCs N = 12,334 (24.62%) | 1 LTC N = 22,060 (44.03%) | 2 LTCs N = 12,866 (25.68%) | ≥3 LTCs N = 2840 (5.67%) | Over all N = 50,100 |
|---|---|---|---|---|---|
Age; missing values n = 0 | |||||
 Age in years-median (IQR) | 68.85 (65.95–75.04) | 69.35 (65.98–75.69) | 69.20 (65.95–75.42) | 69.15 (65.88–75.19) | 69.18 (65.96–75.46) |
Sex; missing values n = 0 | |||||
 Male | 6394 (51.84) | 10,437 (47.31) | 5244 (40.76) | 1034 (36.41) | 23,109 (46.13) |
 Female | 5940 (48.16) | 11,623 (52.69) | 7622 (59.24) | 1806 (63.59) | 26,991 (53.87) |
Marital status; missing values n = 140 (0.28%) | |||||
 Living with partner | 9852 (80.11) | 17,180 (78.09) | 10,117 (78.88) | 2215 (78.13) | 39,364 (78.79) |
 Living without partner | 2446 (19.89) | 4821 (21.91) | 2709 (21.12) | 620 (21.87) | 10,596 (21.21) |
Smoking status; missing values n = 614 (1.24%) | |||||
 Never | 10,171 (84.50) | 18,402 (84.31) | 11,122 (86.94) | 2475 (87.46) | 42,170 (85.21) |
 Current or previous | 1865 (15.50) | 3425 (15.69) | 1671 (13.06) | 355 (12.54) | 7316 (14.78) |
Alcohol status; missing values n = 767 (1.55%) | |||||
 Never | 11,224 (93.53) | 20,243 (93.02) | 11,903 (93.3) | 2634 (93.40) | 46,004 (93.25) |
 Occasionally | 499 (4.16) | 931 (4.28) | 490 (3.84) | 107 (3.79) | 2027 (4.11) |
 Daily | 278 (2.32) | 589 (2.71) | 356 (2.79) | 79 (2.80) | 1302 (2.64) |
Physical activity; missing values n = 723 (1.46%) | |||||
 Never | 8404 (69.78) | 13,860 (63.71) | 7678 (60.18) | 1676 (59.41) | 31,618 (64.03) |
 Occasionally | 1085 (9.01) | 2351 (10.81) | 1434 (11.24) | 306 (10.85) | 5176 (10.48) |
 Daily | 2554 (21.21) | 5543 (25.48) | 3647 (28.58) | 839 (29.74) | 12,583 (25.48) |
BMI; missing values n = 1323 (2.71%) | |||||
 < 18.5 | 336 (2.82) | 407 (1.90) | 173 (1.37) | 34 (1.22) | 950 (1.95) |
 18.5–24.9 | 8091 (68.00) | 11,943 (55.62) | 5833 (46.24) | 1215 (43.53) | 27,082 (55.52) |
 25–29.9 | 3129 (26.30) | 7612 (35.45) | 5306 (42.06) | 1187 (42.53) | 17,234 (35.33) |
 30–34.9 | 324 (2.72) | 1378 (6.42) | 1175 (9.31) | 316 (11.32) | 3193 (6.55) |
 35–39.9 | 15 (0.13) | 122 (0.57) | 114 (0.90) | 36 (1.29) | 287 (0.59) |
 ≥ 40 | 3 (0.03) | 11 (0.05) | 14 (0.11) | 3 (0.11) | 31 (0.06) |
Chronic conditions | |||||
 Hypertension | 0 (0.00) | 17,057 (77.32) | 12,162 (94.53) | 2808 (98.87) | 32,027 (63.93) |
 Diabetes | 0 (0.00) | 2242 (10.16) | 6962 (54.11) | 2516 (88.59) | 11,720 (23.39) |
 CHD | 0 (0.00) | 2420 (10.97) | 5714 (44.41) | 2546 (89.65) | 10,680 (21.32) |
 Stroke | 0 (0.00) | 77 (0.35) | 424 (3.30) | 425 (14.96) | 926 (1.85) |
 COPD | 0 (0.00) | 157 (0.71) | 352 (2.74) | 266 (9.37) | 775 (1.55) |
 Tumour | 0 (0.00) | 18 (0.08) | 22 (0.17) | 17 (0.60) | 57 (0.11) |
 Mental disorders | 0 (0.00) | 79 (0.36) | 93 (0.72) | 81 (2.85) | 253 (0.50) |