Table 3.

Logistic regression analysis for dimension-specific factors related to HRQoL in CHD patients

Dimensions	Independent variables	OR	95% CI	P
Mobility	Age, years			0.040*
	<50 (reference)	1
	50–59	0.890	0.533–1.485	0.655
	60–69	1.096	0.662–1.814	0.721
	70–79	1.196	0.692–2.066	0.521
	≥80	3.236	1.295–8.084	0.012*
	BMI			0.012*
	<18.5	2.176	0.911–5.197	0.080
	18.5–24.9 (reference)	1
	25.0–29.9	0.971	0.705–1.336	0.855
	≥30.0	1.632	1.103–2.416	0.014*
	Stroke
	No (reference)	1
	Yes	1.465	1.012–2.121	0.043*
	Physical activities			<0.001‡
	Rarely/never (reference)	1
	1–4 times/week	0.462	0.289–0.740	0.001†
	≥5 times/week	0.495	0.368–0.667	<0.001‡
	Family’s population			<0.001‡
	1 (reference)	1
	2	0.505	0.329–0.776	0.002†
	3–5	0.318	0.205–0.492	<0.001‡
	>6	0.424	0.192–0.941	0.035*
	Smoking status			0.037*
	Rarely/never (reference)	1
	Past	1.983	1.170–3.358	0.011*
	Current	1.063	0.730–1.548	0.750
	Alcohol drinking			0.002†
	Rarely/never (reference)	1
	Past	0.555	0.253–1.216	0.141
	Low	0.373	0.150–0.924	0.033*
	Medium	0.286	0.109–0.748	0.011*
	High	0.097	0.013–0.729	0.023*
	Very high	0.147	0.019–1.111	0.063
Self-care	Stroke
	No (reference)	1
	Yes	2.121	1.380–3.260	0.001†
	Education level
	< Junior high school (reference)	1
	≥ Junior high school	0.575	0.392–0.843	0.005†
	Physical activities			<0.001‡
	Rarely/never (reference)	1
	1–4 times/week	0.457	0.257–0.814	0.008†
	≥5 times/week	0.354	0.241–0.520	<0.001‡
	Smoking status	0.010*
	Rarely/never (reference)	1
	Past	2.592	1.396–4.811	0.003†
	Current	1.146	0.714–1.839	0.572
	Alcohol drinking			0.027*
	Rarely/never (reference)	1
	Past	0.276	0.079–0.959	0.043*
	Low	0.377	0.112–1.266	0.114
	Medium	0.193	0.045–0.827	0.027*
	High	0.378	0.084–1.697	0.204
	Very high	0.256	0.033–1.953	0.189
Usual activities	Age, years			0.036*
	<50 (reference)	1
	50–59	1.356	0.722–2.546	0.343
	60–69	1.398	0.737–2.652	0.305
	70–79	2.151	1.080–4.285	0.029*
	≥80	3.440	1.234–9.586	0.018*
	Stroke
	No (reference)	1
	Yes	1.976	1.364–2.863	<0.001‡
	Education level
	< Junior high school (reference)	1
	≥ Junior high school	0.729	0.516–1.031	0.074
	Physical activities			<0.001‡
	Rarely/never (reference)	1
	1–4 times/week	0.332	0.193–0.570	<0.001‡
	≥5 times/week	0.475	0.348–0.648	<0.001‡
	Household income per month			0.026*
	<1500 (reference)	1
	1500–1999	0.868	0.555–1.359	0.537
	2000–2999	0.505	0.287–0.889	0.018*
	≥3000	0.430	0.192–0.964	0.040*
	Smoking status			0.001†
	Rarely/never (reference)	1
	Past	2.613	1.552–4.401	<0.001‡
	Current	1.092	0.737–1.620	0.661
	Alcohol drinking			0.049*
	Rarely/never (reference)	1
	Past	0.787	0.371–1.667	0.531
	Low	0.457	0.184–1.138	0.093
	Medium	0.308	0.116–0.814	0.018*
	High	0.233	0.052–1.039	0.056
	Very high	0.621	0.174–2.216	0.463
Pain/discomfort	Age, years			0.027*
	<50 (reference)	1
	50–59	1.094	0.698–1.714	0.695
	60–69	1.474	0.948–2.291	0.085
	70–79	1.458	0.901–2.358	0.125
	≥80	2.802	1.242–6.324	0.013*
	BMI			0.006†
	<18.5	2.431	1.135–5.209	0.022*
	18.5–24.9 (reference)	1
	25.0–29.9	1.090	0.830–1.431	0.536
	≥30.0	1.633	1.153–2.311	0.006†
	Physical activities			0.005†
	Rarely/never (reference)	1
	1–4 times/week	0.517	0.340–0.785	0.002†
	≥5 times/week	0.760	0.588–0.984	0.037*
	Household income per month			0.032*
	<1500 (reference)	1
	1500–1999	0.838	0.582–1.208	0.344
	2000–2999	0.544	0.356–0.833	0.005†
	≥3000	0.745	0.444–1.251	0.266
	Smoking status			0.015*
	Rarely/never	1.344	0.992–1.822	0.057
	Past	1.971	1.235–3.146	0.004†
	Current (reference)	1
Anxiety/depression	Age, years			0.017*
	<50 (reference)	1
	50–59	2.934	1.144–7.527	0.025*
	60–69	3.379	1.328–8.601	0.011*
	70–79	2.212	0.804–6.087	0.124
	≥80	6.935	2.061–23.339	0.002†
	Diabetes mellitus
	No (reference)	1
	Yes	1.774	1.196–2.630	0.004†
	Physical activities			0.057
	Rarely/never (reference)	1
	1–4 times/week	0.710	0.396–1.273	0.250
	≥5 times/week	0.628	0.428–0.923	0.018*

*P<0.05; †P<0.01; ‡P<0.001. HRQoL: Health-related quality of life; CHD: Coronary heart disease; BMI: Body mass index; OR: Odds ratio; CI: Confidence interval.