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Table 1 Sociodemographic, behavioral, and clinical characteristics of the sample. N = 9137. United Kingdom, 2013

From: Multimorbidity and leisure-time physical activity over the life course: a population-based birth cohort study

  Total, n (%) Sex, n (%) p value
Male Female
Sample, N    
 0 17,415 (100.0) 9004 (52.5) 8410 (47.5)  
 7 yr 15,425 (92.3) 7915 (51.3) 7506 (48.7)  
 11 yr 15,333 (91.6) 7894 (51.4) 7449 (48.6)  
 16 yr 14,650 (86.8) 7544 (51.5) 7106 (48.5)  
 23 yr 12,533 (75.3) 6264 (50.0) 6269 (50,0)  
 33 yr 11,465 (70.9) 5632 (49.1) 5833 (50.9)  
 42 yr 11,416 (71.0) 5624 (49.3) 5792 (50.7)  
 50 yr 9787 (61.9) 4819 (49.2) 4968 (50.8)  
 55 yr 9137 (58.5) 4433 (48.5) 4704 (51.5)  
Country of Birth     0.771
 England 7625 (83.5) 3695 (83.4) 3930 (83.6)  
 Wales 482 (5.3) 236 (5.3) 246 (5.2)  
 Scotland 826 (9.0) 396 (8.9) 430 (9.1)  
 Not in Great Britain 204 (2.2) 106 (2.4) 98 (2.1)  
Ethnicity, %     0.010
 White 8948 (97.9) 4344 (98.0) 4604 (97.9)  
 Mixed 27 (0.3) 11 (0.2) 16 (0.3)  
 Indian 33 (0.4) 11 (0.2) 22 (0.5)  
 Pakistani/Bangladeshi 12 (0.1) 10 (0.3) 2 (0.1)  
 Black 54 (0.6) 20 (0.5) 34 (0.7)  
 Other 63 (0.7) 37 (0.8) 26 (0.5)  
Educational levela (n = 8952), %     < 0.001
 No academic qualification 1478 (16.5) 798 (18.4) 680 (14.7)  
 CSE 2–5 or equivalent 1285 (14.3) 668 (15.4) 617 (13.4)  
 O Level or equivalent 3021 (33.8) 1373 (31.6) 1648 (35.7)  
 A level or equivalent 789 (8.8) 382 (8.8) 407 (8.8)  
 University degree or equivalent 1998 (22.3) 910 (21.0) 1088 (23.6)  
 Higher degree 381 (4.3) 207 (4.8) 174 (3.8)  
Marital statusa (n = 9130), %     < 0.001
 Married/living with partner 6549 (71.7) 3.260 (73.6) 3.289 (69.9)  
 Widowed 214 (2.3) 51 (1.2) 163 (3.5)  
 Divorced/separated 1459 (16.0) 619 (14.0) 840 (17.9)  
 Single 908 (10.0) 498 (11.2) 410 (8.7)  
Incomea (£$) (n = 6459), %     < 0.001
 1st quintile (poorest) 1293 (20.0) 680 (20.3) 613 (19.7)  
 2nd quintile 1317 (20.4) 555 (16.6) 762 (24.5)  
 3rd quintile 1338 (20.7) 655 (19.5) 683 (22.0)  
 4th quintile 1226 (19.0) 699 (20.9) 527 (16.9)  
 5th quintile (wealthiest) 1287 (19.9) 761 (22.7) 526 (16.9)  
BMIa (n = 8483), %     < 0.001
 Normal 3041 (35.9) 1.212 (28.7) 1.829 (42.9)  
 Overweight 3438 (40.5) 1.985 (47.1) 1.453 (34.1)  
 Obese 2004 (23.6) 1.022 (24.2) 982 (23.0)  
Number of units of alcohol in last 7 daysa (n = 8766), %     < 0.001
 1 1633 (18.1) 970 (22.2) 663 (14.3)  
 2 2806 (31.1) 1495 (34.2) 1311 (28.2)  
 3 1372 (15.2) 705 (16.1) 667 (14.3)  
 4–6 2411 (26.7) 918 (21.0) 1.493 (32.1)  
 7–8 800 (8.9) 282 (6.5) 518 (11.1)  
Smokinga (n = 9020), %     0.071
 Smoke cigarettes every day 1256 (13.9) 607 (13.9) 649 (14.0)  
 Smokes occasionally/not everyday 297 (3.3) 141 (3.2) 156 (3.3)  
 Ex-smoker 2879 (31.9) 1.451 (33.2) 1.428 (30.7)  
 Never smoked cigarettes 4590 (50.9) 2.170 (49.7) 2.420 (52.0)  
General health perceptiona (n = 9039), %     0.071
 Excellent 1217 (13.5) 599 (13.7) 618 (13.3)  
 Very good 3095 (34.2) 1531 (35.0) 1564 (33.5)  
 Good 2915 (32.3) 1410 (32.2) 1505 (32.3)  
 Fair 1266 (14.0) 605 (13.8) 661 (14.2)  
 Poor 546 (6.0) 234 (5.3) 312 (6.7)  
  1. a At age 55. BMI Body mass index; Numbers in bold indicates statistical significance (p < 0.05)