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