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. 2021 Dec 2;19(5):1121–1132. doi: 10.1111/iwj.13708

TABLE 5.

Generalised linear regression analysis to explore factors associated with HRQoL (n = 233)

Variables Mobility Self‐care Usual activities Pain/discomfort Anxiety/depression VAS
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 Coef. (95%CI) P‐value
Age (years) 0.008 (0.004, 0.012) P < .001 0.002 (−0.003, 0.007) .416 −0.009 (−0.014, −0.004) .001 −0.002 (−0.006, 0.003) .474 −0.001 (−0.006, 0.004) .604 −0.002 (−0.004, <0.001) .081
Female (reference = male) 0.07 (−0.08, 0.21) .361 −0.03 (−0.181, 0.12) .694 −0.09 (−0.235, 0.064) .260 −0.12 (−0.246, 0.016) .086 −0.002 (−0.151, 0.148) .982 0.005 (−0.013, 0.123) .110
Other ethnic group (reference = Chinese) 0.25 (0.11, 0.391) .001 0.15 (0.03, 0.297) .046 −0.002 (−0.151, 0.147) .979 0.08 (−0.05, 0.216) .221 0.18 (0.023, 0.337) .025 −0.007 (−0.082, 0.067) .847
Wound aetiology (reference = others)
Venous ulcer (n = 24) −0.35 (−0.73, 0.04) .077 −0.17 (−0.516, 0.17) .323 −0.16 (−0.538, 0.211) .393 0.01 (−0.288, 0.316) .929 −0.09 (−0.445, 0.266) .623 0.03 (−0.118, 0.167) .732
Arterial ulcer (n = 13) −0.17 (−0.57, 0.25) .431 0.26 (−0.223, 0.714) .304 0.12 (−0.383, 0.616) .648 0.15 (−0.275, 0.581) .484 0.10 (−0.317, 0.526) .628 −0.12 (−0.39, 0.143) .363
Mixed ulcer (n = 18) −0.41 (−0.76, −0.06) .022 −0.08 (−0.46, 0.293) .662 −0.05 (−0.442, 0.345) .811 −0.13 (−0.442, 0.189) .432 −0.21 (−0.525, 0.096) .175 0.05 (−0.058, 0.166) .348
DFU (n = 78) −0.12 (−0.44, 0.21) .480 0.004 (−0.304, 0.311) .982 −0.69 (−0.421, 0.283) .700 −0.20 (−0.445, 0.467) .112 0.001 (−0.272, 0.274) .994 0.04 (−0.056, 0.144) .384
AHHW (n = 80) −0.38 (−0.69, −0.06) .021 −0.11 (−0.402, 0.182) .459 −0.17 (−0.516, 0.167) .317 −0.12 (−0.379, 0.132) .344 −0.03 (−0.310, 0.258) .857 0.04 (−0.061, 0.140) .441
Wound duration (reference = 4‐6 weeks)
6 weeks to <3 months (n = 57) 0.15 (−0.02, 0.33) .085 −0.16 (−0.362, 0.457) .128 −0.87 (−0.302, 0.129) .430 0.02 (−0.174, 0.208) .859 −0.002 (0.206, 0.182) .906 −0.11 (−0.201, −0.009) .031
3 months to <6 months (n = 46) 0.05 (−0.13, 0.23) .605 −0.87 (−0.307, 0.133) .438 −0.05 (−0.281, 0.178) .661 −0.005 (−0.197, 0.186) .958 −0.07 (−0.280, 0.137) .503 0.02 (−0.062, 0.101) .643
≥6 months (n = 58) 0.19 (0.02, 0.37) .033 −0.14 (−0.334, 0.503) .148 −0.15 (−0.337, 0.043) .130 0.07 (−0.104, 0.234) .453 0.11 (−0.070, 0.298) .224 0.004 (−0.735, 0.082) .913
Wound size (reference = <2 sq.cm)
2‐5 sq.cm (n = 57) 0.03 (−0.14, 0.20) .711 −0.004 (−0.188, 0.179) .964 −0.06 (−0.268, 0.143) .549 −0.09 (−0.257, 0.085) .323 0.05 (−0.139, 0.247) .583 −0.007 (−0.115, 0.100) .892
6‐10 sq.cm (n = 33) 0.12 (−0.08, 0.32) .247 0.06 (−0.191, 0.309) .641 0.03 (−0.198, 0.261) .787 −0.10 (−0.295, 0.105) .351 −0.18 (−0.396, 0.041) .111 −0.05 (−0.116, 0.084) .751
>10 sq.cm (n = 27) 0.03 (−0.18, 0.24) .779 0.09 (−0.11, 0.282) .388 −0.09 (−0.309, 0.134) .440 0.03 (−0.204, 0.259) .815 −0.02 (−0.258, 0.210) .842 0.02 (−0.074, 0.120) .642
Wound exudate level (reference = none)
Low (n = 123) 0.24 (0.01, 0.47) .044 0.17 (−0.033, 0.366) .101 −0.04 (−0.292, 0.207) .737 0.22 (−0.067, 0.503) .135 0.02 (−0.291, 0.336) .886 0.03 (−0.067, 0.133) .515
Medium (n = 75) 0.29 (0.05, 0.53) .018 0.20 (−0.012, 0.419) .065 <0.001 (−0.263, 0.263) .999 0.23 (−0.073, 0.529) .137 0.13 (−0.191, 0.453) .424 0.02 (−0.091, 0.130) .728
Heavy (n = 6) 0.28 (−0.18, 0.73) .235 0.29 (−0.222, 0.795) .269 −0.03 (−0.337, 0.434) .895 0.13 (−0.334, 0.599) .577 0.07 (−0.445, 0.590) .784 ‐0.05 (−0.253, 0.154) .634

Abbreviations: AHHW, atypical hard‐to‐heal wounds; CI, Confidence interval; DFU, diabetic foot ulcers; HRQoL, health‐related quality of life; VAS, visual analogue scale.