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Table 3 Unadjusted odds ratios showing associations between continuous and dichotomised variables and sedentary behaviour

From: “Keeping Moving”: factors associated with sedentary behaviour among older people recruited to an exercise promotion trial in general practice

Continuous variable Description Non-sedentary: mean (s.d.) Sedentary: mean (s.d.) OR Lower CI Upper CI P-value
SF12_PCSan = 1049 Total score OR for each extra point 37.54 (5.98) n = 664 35.91 (7.21) n = 385 0.962 0.943 0.980 <0.001
No. of medications n = 1047 OR for each additional medication 3.74 (3.20) n = 663 4.49 (3.26) n = 384 1.073 1.032 1.115 <0.001
No. of comorbidities n = 1053 OR for each additional comorbidity 1.93 (1.54) n = 666 2.34 (1.61) n = 387 1.174 1.086 1.271 <0.001
Activity limitation n = 1054 Self-reported no. of days limited per month OR for each additional day limited 1.01 (4.60) n = 667 2.09 (7.10) n = 387 1.033 1.010 1.056 0.004
Timed Up & Go (TUG) n = 968 Duration in seconds OR for each extra second taken to complete task 10.54 (4.57) n = 608 11.46 (6.63) n = 360 1.032 1.006 1.059 0.01
30 s Chair stand n = 1033 Number in 30 s OR for each additional chair stand 10.66 (3.25) n = 657 10.14 (3.37) n = 376 0.951 0.915 0.990 0.01
Quality of Lifebn = 999 Total score OR for each extra point 130.75 (13.23) n = 662 128.73 (13.30) n = 337 0.989 0.978 0.999 0.03
SF12_MCScn = 1050 Total score OR for each extra point 48.94 (5.85) n = 663 49.31 (6.31) n = 386 0.984 0.964 1.005 0.13
Functional reach n = 1017 Functional reach in cms OR for each additional cm reached 26.02 (7.97) n = 642 25.29 (8.02) n = 375 0.988 0.979 0.999 0.15
FICSITdn = 1057 Score 0–28 OR for each additional point scored 20.54 (6.84) n = 667 19.91 (7.33) n = 390 0.987 0.973 1.005 0.15
Dichotomised Variable Category Not sedentary n (%) Sedentary n (%) OR Lower CI Upper CI P-value
Age n = 1052 65–74 428 (63.4) 247 (36.6) 1.024 0.788 1.329 0.86
  75 + years 237 (62.9) 140 (37.1)     
Gender n = 1053 Male 241 (61.5) 151 (38.5) 0.886 0.685 1.147 0.36
  Female 425 (64.3) 236 (35.7)     
BMI n = 1008 Normal 266 (72.9) 99 (27.1) 1.982 1.500 2.620 <0.001
  Abnormal 370 (57.5) 273 (42.5)     
Smoking n = 1053 Never 353 (67.5) 170 (32.5) 1.440 1.119 1.852 0.005
  Ever (ex/current) 313 (59.1) 217 (40.9)     
Living circumstances n = 1051 As a couple 405 (65.6) 212 (34.4) 1.291 1.002 1.664 0.05
  Not as a couple 259 (59.7) 175 (40.3)     
Informal home help n = 1047 Absence 625 (64.4) 346 (35.6) 2.007 1.256 3.208 0.003
  Presence 36 (47.4) 40 (52.6)     
Current activity level n = 1005 Some 392 (66.1) 201 (33.9) 1.356 1.046 1.759 0.02
  None 243 (59.0) 169 (41.0)     
Public transport use n = 1047 Yes (easy) 634 (64.0) 357 (36.0) 1.907 1.112 3.273 0.02
  No (not easy) 27 (48.2) 29 (51.8)     
Walking aid used? n = 1052 No 586 (65.0) 315 (35.0) 1.302 1.094 1.549 0.003
  Yes 79 (52.3) 72 (47.7)     
Employment status n = 1048 Employed 56 (62.9) 33 (37.1) 0.984 0.628 1.543 0.94
  Not employed 607 (63.3) 352 (36.7)     
Educational level n = 1038 FE & University 304 (64.3) 169 (35.7) 1.097 0.851 1.413 0.48
  School only 351 (62.1) 214 (37.9)     
Household income (categorical linear) n = 913 Up to £12,000 159 (56.8) 121 (43.2) - - - 0.13
  £12,001–20,000 168 (64.1) 94 (35.9) 0.735 0.520 1.039 0.08
  £20,001–30,000 133 (65.5) 70 (34.5) 0.692 0.476 1.005 0.05
  £30,001–45,000 66 (69.5) 29 (30.5) 0.577 0.351 0.949 0.03
  >£45,001 44 (60.3) 29 (39.7) 0.866 0.512 1.464 0.59
  1. Varying denominators reflect variations in data capture
  2. ahigher score = better physical function
  3. bhigher score = better self-rated quality of life
  4. chigher score = better self-reported mental health
  5. dhigher score = better balance