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摘要:
目的 评价世界卫生组织生活质量测定简表(World Health Organization quality of life scale-brief form questionnaire, WHOQOL-BREF)在测定HIV感染者生活质量中应用的信度和效度,比较不同特征HIV感染者的生活质量,为下一步评价感染者的生活质量和制定有效的关怀措施提供参考依据。 方法 采用方便抽样的方法在云南省红河哈尼族彝族自治州选择符合条件的HIV感染者。采用Cronbach’s α系数和分半信度评价其信度;探索性因子分析(exploratory factor analysis, EFA)和验证性因子分析(confirmatory factor analysis, CFA)检验其效度;单因素方差分析比较不同特征感染者在WHOQOL-BREF各维度上的得分情况。 结果 共获得410份有效问卷。WHOQOL-BREF及生理领域、心理领域、社会领域和环境领域的Cronbach’s α系数分别为0.901、0.779、0.819、0.729和0.743,分半信度分别为0.798、0.716、0.822、0.736和0.697。EFA共获取4个公因子,对总体方差的贡献率为54.542%;CFA结果显示最终拟合模型的主要指标χ2/df和估计误差均方根(root-mean-square error of approximation, RMSEA)分别为2.169和0.076;拟合优度模型指数(goodness of fit index, GFI)、比较拟合指数(comparative fit index, CFI)和Tucker-Lewis指数(Tucker-Lewis index, TLI)分别为0.820、0.861和0.844,均接近0.900,表示拟合结果可以接受。单因素方差分析结果显示,是否接受抗逆转录病毒治疗、民族、职业、文化程度和最近一次CD4+T淋巴细胞计数等不同特征感染者的生活质量有所不同。 结论 WHOQOL-BREF在测定HIV感染者的生活质量具有较好的信度和效度,不同特征感染者的生活质量有所差异,在制定有针对性的干预策略和措施时需加以考虑。 -
关键词:
- HIV /
- 生活质量: 世界卫生组织生活质量测定简表 /
Abstract:Objective The objective of the study was to assess the reliability and validity of the World Health Organization quality of life scale-brief form questionnaire (WHOQOL-BREF) and compare the quality of life among HIV cases, providing a basis for evaluating the quality of life and formulating effective measures of HIV cases. Methods HIV cases were recruited through convenience sampling method in Honghe Hani-Yi Autonomous Prefecture, Yunnan Province. Reliability was assessed by using Cronbach's α and split-half reliability, while exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) were used to assess its validity. ANOVA were used to compare the scores of different characteristics. Results A total of 410 valid questionnaires were obtained. Cronbach's α of WHOQOL-BREF and physical, psychological, social relationships, environment of WHOQOL-BREF were 0.901, 0.779, 0.819, 0.729, 0.743 respectively. The related correlation coefficients of split half were 0.798, 0.716, 0.822, 0.736, 0.697 respectively. Exploratory factor analysis obtained four communal factors, with a contribution of 54.542% to the overall variance. The results of the confirmatory factor analysis showed that the main indicators of the fitted model were χ2/df and the root-mean-square error of approximation (RMSEA), and the value were 2.169 and 0.076 respectively. Goodness of fit index (GFI), comparative fit index (CFI) and Tucker-Lewis index (TLI) were 0.820, 0.861 and 0.844 respectively. All value were closed to 0.900, indicating an accepted level. ANOVA results showed that there were different quality of life among HIV cases with different characteristics such as receiving antiretroviral therapy or not, ethnicity, occupation, education and last CD4+T lymphocyte count. Conclusion The reliability and validity of the WHOQOL-BREF are good, and quality of life varied by different characteristics of HIV cases prompting the intervention strategies pertinently. -
Key words:
- HIV /
- Quality of life /
- WHOQOL-BREF
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表 1 经异性性传播HIV感染者的基本情况特征[n(%)]
Table 1. Basic characteristics of HIV-infected individuals via heterosexual contact [n(%)]
变量 例数 变量 例数 性别 婚姻状况 男 266(64.88) 有配偶/固定性伴 194(47.32) 女 144(35.12) 无配偶/固定性伴 216(52.68) 年龄组(岁) 职业 19~ < 36 73(17.80) 农民及民工 253(61.71) 36~ < 46 115(28.05) 其他 157(38.29) 46~ < 56 97(23.66) 最近一次CD4+T淋巴细胞计数(个/μl) ≥56 125(30.49) < 200 64(15.61) 民族 200~ < 350 122(29.76) 汉族 203(49.51) 350~ < 500 104(25.36) 少数民族 207(50.49) ≥500 89(21.71) 文化程度 未检测 31(7.56) 小学及以下 215(52.44) 治疗状态 初中 138(33.66) 治疗 145(35.37) 高中及以上 57(13.90) 未治疗 265(64.63) 表 2 WHOQOL-BREF各维度信度
Table 2. The dimensional reliability of WHOQOL-BREF
维度 Cronbach’s α系数 分半信度 生理领域 0.779 0.716 心理领域 0.819 0.822 社会领域 0.729 0.736 环境领域 0.743 0.697 总体 0.901 0.798 表 3 不同特征HIV感染者生活质量各维度和独立条目得分比较(x±s)
Table 3. Comparison of dimensions and independent item scores of quality of life among HIV-infected patients with different characteristics (x±s)
变量 总体生活感受 总体健康状况 家庭摩擦 食欲 生理领域 心理领域 社会领域 环境领域 性别 男 3.30±0.75 3.64±0.76 4.21±0.94 3.69±0.79 15.44±2.29 14.26±2.27 14.12±2.53 13.82±2.09 女 3.29±0.78 3.59±0.77 4.18±0.98 3.72±0.79 15.44±2.33 14.47±2.22 14.21±0.42 14.09±2.04 F值 0.011 0.491 0.082 0.170 2.473 0.997 0.039 0.445 P值 0.915 0.484 0.774 0.680 0.117 0.319 0.840 0.505 年龄(岁) 19~ < 36 3.29±0.69 3.60±0.78 4.19±0.87 3.78±0.68 15.65±2.36 14.17±1.99 14.13±2.01 13.81±1.92 36~ < 46 3.39±0.76 3.70±0.73 4.24±0.89 3.74±0.83 15.68±2.20 14.66±2.30 14.66±2.07 14.11±2.02 46~ < 56 3.27±0.77 3.66±0.72 4.11±0.98 3.67±0.78 15.23±2.25 13.81±2.38 14.07±2.21 13.79±2.21 ≥56 3.23±0.82 3.62±0.81 4.22±1.03 3.65±0.82 15.27±2.41 14.54±2.20 13.84±2.07 14.89±2.11 F值 0.961 0.895 0.355 0.530 1.120 3.029 2.518 0.539 P值 0.411 0.443 0.786 0.662 0.341 0.029 0.058 0.658 民族 汉族 3.26±0.82 3.52±0.77 4.20±1.01 3.61±0.81 15.07±2.34 14.13±2.35 13.95±2.47 13.87±2.10 少数民族 3.33±0.71 3.72±0.74 4.20±0.90 3.79±0.76 15.81±2.22 14.54±2.14 14.40±2.28 13.96±2.05 F值 1.043 7.687 0.000 5.499 10.761 3.455 4.770 0.158 P值 0.308 0.006 0.991 0.020 0.001 0.064 0.043 0.692 文化程度 小学及以下 3.27±0.74 3.64±0.78 4.06±0.96 3.71±0.84 15.41±2.01 14.24±2.38 14.18±2.45 13.87±2.13 初中 3.31±0.75 3.65±0.72 4.33±0.87 3.71±0.70 15.55±2.40 14.39±2.06 14.12±2.34 13.94±2.05 高中及以上 3.35±0.90 3.77±0.78 4.36±0.99 3.65±0.79 15.09±2.60 14.46±0.14 14.30±2.25 14.94±1.91 F值 0.301 1.258 5.127 0.151 0.936 0.421 1.004 6.506 P值 0.741 0.285 0.006 0.860 0.393 0.656 0.367 0.002 婚姻状况 有配偶/固定性伴 3.22±0.75 3.63±0.73 4.23±1.01 3.71±0.80 15.56±2.31 14.25±2.38 14.23±2.49 13.92±2.06 无配偶/固定性伴 3.63±0.78 3.32±0.79 4.17±0.90 3.70±0.78 15.31±2.33 14.14±2.15 14.13±2.29 13.91±2.08 F值 3.418 0.030 0.480 0.008 1.213 0.510 0.206 0.001 P值 0.065 0.862 0.489 0.927 0.271 0.476 0.650 0.979 职业 农民及民工 3.30±0.74 3.69±0.74 4.32±0.93 3.76±0.80 15.64±2.36 14.36±2.29 14.21±2.45 13.90±2.15 其他 3.28±0.81 3.52±0.80 4.12±0.99 3.61±0.76 15.12±2.19 14.30±2.19 14.12±2.27 13.93±1.95 F值 0.047 4.718 4.036 3.265 5.046 0.077 0.139 0.015 P值 4.718 0.030 0.045 0.072 0.025 0.781 0.710 0.903 最近一次CD4+T淋巴细胞计数(个/μl) < 200 3.16±0.69 3.55±0.68 3.65±0.84 3.58±0.67 14.58±2.22 13.45±1.80 13.87±1.61 13.19±1.70 200~ < 350 3.31±0.79 3.59±0.79 4.19±0.94 3.84±0.80 15.67±2.16 14.59±2.52 14.03±2.75 13.92±2.33 350~ < 500 3.28±0.75 3.61±0.80 4.13±1.04 3.57±0.86 15.33±2.48 14.30±2.24 14.21±2.38 13.90±2.05 ≥500 3.35±0.71 3.66±0.73 4.39±0.88 3.70±0.75 16.01±2.33 14.67±2.22 14.52±2.32 14.20±2.20 未检测 3.30±0.85 3.63±0.78 4.28±0.90 3.82±0.73 15.21±2.08 14.20±2.20 14.02±2.39 13.89±1.99 F值 0.365 0.166 4.000 2.032 2.937 2.022 0.760 1.378 P值 0.833 0.955 0.003 0.089 0.020 0.091 0.552 0.241 治疗状态 未治疗 3.23±0.73 3.60±0.74 3.77±0.80 3.62±0.72 15.17±2.49 13.18±1.90 13.21±1.91 13.04±1.67 治疗 3.33±0.78 3.64±0.78 4.43±0.91 3.75±0.82 15.59±2.19 14.80±2.30 14.42±2.57 14.39±2.12 F值 1.653 0.232 50.066 2.425 3.236 35.403 8.992 42.568 P值 0.199 0.630 < 0.001 0.120 0.073 < 0.001 0.003 < 0.001 -
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