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Table 4 Socio-demographic characteristics of baseline responders stratified by study groups (n = 5,426)

From: Comorbidity Cohort (2C) study: Cardiovascular disease severity and comorbid osteoarthritis in primary care

   Disease cohorts
   Reference Index CVD cohorts Index OA cohort CVD comorbid cohorts
Factors   -CVD -OA (0) n = 1165 (%) +Hyp -OA (1) n = 720 (%) +IHD -OA (2) n = 1196 (%) +HF -OA (3) n = 149 (%) -CVD + OA (4) n = 828 (%) +Hyp + OA (5) n = 1017 (%) +IHD + OA (6) n = 305 (%) +HF + OA (7) n = 46 (%)
Age group (years) 40-49 313 (26.8) 33 (4.6) 21 (1.7) 3 (2.0) 59 (7.1) 9 (0.9) 1 (0.3) 0 (0)
50-59 413 (35.5) 132 (18.3) 127 (10.6) 9 (6.1) 180 (21.7) 92 (9.0) 11 (3.6) 0 (0)
60-69 282 (24.2) 239 (33.2) 369 (30.9) 26 (17.4) 312 (37.7) 318 (31.3) 64 (21.0) 3 (6.5)
70-79 119 (10.2) 219 (30.4) 446 (37.3) 53 (35.6) 180 (21.8) 369 (36.3) 136 (44.6) 16 (34.8)
80≥ 38 (3.3) 97 (13.5) 233 (19.5) 58 (38.9) 97 (11.7) 229 (22.5) 93 (30.5) 27 (58.7)
Gender Men 547 (47.0) 324 (45.0) 807 (67.5) 89 (59.7) 332 (40.1) 391 (38.4) 140 (45.9) 23 (50.0)
  Women 618 (53.0) 395 (55.0) 389 (32.5) 60 (40.3) 496 (59.9) 626 (61.6) 165 (54.1) 23 (50.0)
Deprivation Status* Category 0 (most affluent) 279 (24.0) 155 (21.7) 243 (20.4) 23 (15.4) 168 (20.4) 222 (22.0) 59 (19.6) 8 (18.2)
  Category 1 712 (61.2) 425 (59.4) 732 (61.4) 90 (60.4) 521 (63.2) 605 (59.9) 190 (63.1) 27 (61.3)
  Category 2 (most deprived) 173 (14.8) 135 (18.9) 217 (18.2) 36 (24.2) 135 (16.4) 183 (18.1) 52 (17.3) 9 (20.5)
  1. CVD = Cardiovascular disease, OA = Osteoarthritis, Hyp = Hypertension, IHD = Ischaemic heart disease, HF = Heart failure. *Deprivation status is based on Index of Multiple Deprivation score and available for 5,399 patients and ‘most affluent’ as the top 20% of the sample and ‘most deprived’ as the bottom 20% of the sample.