Table 3.
Factors associated with SF-12v2 at baseline by multiple linear regressions
| PF | RP | BP | GH | VT | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Independent variables | Coef. | 95 % CI | P-value | Coef. | 95 % CI | P-value | Coef. | 95 % CI | P-value | Coef. | 95 % CI | P-value | Coef. | 95 % CI | P-value |
| Socio-demographics | |||||||||||||||
| Male (vs. Female) | 16.22 | (7.26,25.17) | < 0.001* | 8.00 | (-1.98,17.98) | 0.116 | 14.85 | (4.91,24.79) | 0.004* | 3.30 | (-4.71,11.32) | 0.417 | 1.78 | (-6.01,9.57) | 0.653 |
| Age | 0.09 | (-0.28,0.46) | 0.624 | 0.05 | (-0.37,0.46) | 0.819 | −0.07 | (-0.48,0.35) | 0.750 | −0.08 | (-0.41,0.25) | 0.641 | 0.27 | (-0.06,0.59) | 0.105 |
| Educational level (No formal education) | |||||||||||||||
| Primary | 2.66 | (-14.07,19.38) | 0.755 | 6.94 | (-11.70,25.59) | 0.464 | −9.33 | (-27.90,9.24) | 0.323 | 8.47 | (-6.51,23.44) | 0.266 | −1.23 | (-15.79,13.32) | 0.867 |
| Secondary | −2.32 | (-18.91,14.28) | 0.783 | −5.00 | (-23.49,13.50) | 0.595 | −8.30 | (-26.72,10.13) | 0.375 | 1.76 | (-13.09,16.62) | 0.815 | −3.50 | (-17.93,10.94) | 0.633 |
| Tertiary | 5.20 | (-15.05,25.44) | 0.613 | −5.26 | (-27.83,17.31) | 0.646 | −3.39 | (-25.87,19.09) | 0.766 | −2.78 | (-20.91,15.35) | 0.763 | −0.74 | (-18.36,16.88) | 0.934 |
| Married (vs. Unmarried) | 0.51 | (-8.17,9.19) | 0.908 | 4.57 | (-5.10,14.25) | 0.353 | −3.47 | (-13.11,6.17) | 0.479 | 7.37 | (-0.40,15.14) | 0.063 | 2.91 | (-4.65,10.46) | 0.449 |
| Smoker (vs. Non-smoker) | −12.80 | (-31.27,5.66) | 0.173 | −3.70 | (-24.29,16.88) | 0.723 | −7.79 | (-28.29,12.72) | 0.455 | −4.50 | (-21.03,12.03) | 0.592 | −1.99 | (-18.06,14.08) | 0.807 |
| Working (vs. Not working) | 17.49 | (6.77,28.21) | 0.002* | 16.42 | (4.47,28.37) | 0.007* | 3.54 | (-8.36,15.44) | 0.558 | 12.14 | (2.54,21.73) | 0.013* | 11.84 | (2.51,21.17) | 0.013* |
| CBHD, Yes (vs. No) | 11.31 | (3.22,19.40) | 0.006* | 2.73 | (-6.28,11.75) | 0.551 | 12.33 | (3.35,21.31) | 0.007* | 7.59 | (0.35,14.83) | 0.040* | −2.52 | (-9.55,4.52) | 0.481 |
| Come alone/ accompanied for HD session, Accompanied by others (vs. Alone) | −21.26 | (-33.76,-8.76) | 0.001* | −2.16 | (-16.09,11.78) | 0.760 | 7.84 | (-6.04,21.72) | 0.267 | −2.64 | (-13.83,8.55) | 0.642 | −4.27 | (-15.15,6.61) | 0.440 |
| Transportation to dialysis center (vs. Walk) | |||||||||||||||
| Public transport | −3.18 | (-18.10,11.74) | 0.675 | −2.34 | (-18.97,14.29) | 0.782 | 12.09 | (-4.48,28.66) | 0.152 | −6.73 | (-20.08,6.63) | 0.322 | −0.43 | (-13.41,12.56) | 0.949 |
| Taxi/ others | −4.75 | (-22.20,12.71) | 0.592 | −3.25 | (-22.71,16.21) | 0.742 | 10.26 | (-9.12,29.64) | 0.298 | −10.22 | (-25.85,5.41) | 0.199 | 2.63 | (-12.56,17.82) | 0.733 |
| Clinical and Co-morbidity information | |||||||||||||||
| Kt/V,Targeta achieved (vs. Targeta not achieved) | −6.85 | (-15.72,2.02) | 0.129 | 1.11 | (-8.77,10.99) | 0.825 | −1.37 | (-11.22,8.47) | 0.784 | 0.83 | (-7.10,8.77) | 0.836 | −0.72 | (-8.44,6.99) | 0.854 |
| Blood haemogloblin, ≥ 9 g/dL (vs. < 9 g/dL) | −0.91 | (-10.34,8.51) | 0.848 | 1.17 | (-9.34,11.68) | 0.826 | −3.24 | (-13.71,7.23) | 0.542 | −3.69 | (-12.13,4.75) | 0.390 | 1.01 | (-7.19,9.22) | 0.808 |
| Comorbidities, Yes (vs. No) | −5.05 | (-14.65,4.55) | 0.301 | −3.80 | (-14.50,6.90) | 0.485 | 4.06 | (-6.60,14.72) | 0.454 | 1.38 | (-7.21,9.97) | 0.752 | −3.77 | (-12.12,4.58) | 0.375 |
| Constant | 60.62 | (27.13,94.11) | < 0.001* | 61.42 | (24.09,98.75) | 0.001* | 56.80 | (19.62,93.99) | 0.003* | 34.70 | (4.72,64.68) | 0.024* | 43.54 | (14.41,72.68) | 0.004* |
CBHD: Community-Based Haemodialysis; HD: Haemodialysis; PF: Physical Functioning; RP: Role Physical; BP: Bodily Pain; GH: General Health; VT: Vitality; CI: Confidence Interval
*Significant with p-value < 0.05
aTarget: Kt/V ≥ 1.8 for 2 HD sessions per week or Kt/V ≥ 1.2 for 3 HD sessions per week or Kt/V ≥ 3.6 for weekly data