Page 82 - 《南京医科大学学报(自然科学版)》2026年第3期
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第46卷第3期
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表2 调查对象问卷得分影响因素的多元线性回归分析
Table 2 Multiple linear regression analysis of factors associated with questionnaire scores among survey subjects
Dimension Measure Sex a Age Educational attainment b Major type c
Knowledge score β -0.048 0.055 * -0.030 -0.053
95%CI -0.507,1.499 -0.136,0.469 -2.034,1.103 -0.249,0.067
P -0.333 0.281 * -0.561 -0.259
Attitudes score β -0.069 0.002 * -0.000 -0.063
95%CI -0.859,0.148 -0.149,0.154 -0.784,0.790 -0.133,0.026
P -0.167 0.975 * -0.994 -0.186
Practices score β -0.035 0.102 * -0.073 -0.016
95%CI -1.053,0.483 0.012,0.475 -2.103,0.298 -0.142,0.099
P -0.467 0.040 * -0.141 -0.725
Overall score β -0.009 0.086 * -0.055 -0.062
95%CI -1.720,1.430 -0.062,0.887 -3.829,1.099 -0.414,0.082
P -0.857 0.089 * -0.278 -0.190
Dimension Measure Household income d Living expenditure e Smoking Status f Family disease history g
Knowledge score β <-0.079 *** -0.162 ** -0.054 -0.108 *
95%CI -0.596,0.087 -0.187,0.901 -0.809,2.876 -2.066,-0.150
P -<0.145 *** -0.003 ** -0.272 -0.024 *
Attitudes score β -<0.022 *** -0.083 ** -0.031 -0.059 *
95%CI -0.137,0.206 -0.040,0.319 -1.218,0.631 -0.178,0.783
P <-0.691 *** -0.128 ** -0.534 -0.218 *
Practices score β -<0.283 *** -0.019 ** -0.031 -0.051 *
95%CI 0.461,0.984 -0.325,0.222 -1.878,0.943 -0.323,1.144
P <<0.001 *** -0.714 ** -0.516 -0.273 *
Overall score β -<0.099 *** -0.119 ** -0.009 -0.024 *
95%CI -0.034,1.040 -0.071,1.193 -2.622,3.167 -1.900,1.109
P <-0.067 *** -0.028 ** -0.854 -0.607 *
a
b
Uniformly assign values to dummy variables. Sex(categorical):Male=1,Female=2. Educational attainment(ordinal):Junior college=1,Bache⁃
c
lor’s degree=2,Master’s or higher=3. Major type(categorical,defined by China’s Undergraduate Program Catalog of Regular Higher Education Institu⁃
tions[2024]):Science=1,Engineering=2,Agriculture=3,Medicine=4,Literature=5,History=6,Philosophy=7,Economics=8,Management=9,Law=10,
d
Education=11,Arts=12. Total household monthly income(ordinal):<5 000 CNY=1,5 000-10 000 CNY=2,10 000-15 000 CNY=3,15 000-20 000
e
CNY=4,20 000-25 000 CNY=5,25 000-30 000 CNY=6,≥30 000 CNY=7. Monthly living expenditure(ordinal):<1 000 CNY=1,1 000-1 300 CNY=
f
2,1 300-1 600 CNY=3,1 600-1 900 CNY=4,1 900-2 200 CNY=5,2 200-2 500 CNY=6,≥2 500 CNY=7. Smoking status(categorical):Never smok⁃
g
er=1,Smoker=2. Family disease history(categorical):No known family history=1,Non⁃respiratory family disease history=2,Family history of respirato⁃
ry diseases=3. Data are regression coefficients(β)from multiple linear regression models.
Monthly living Monthly household
expenses income
0.108 * 0.273 **
0.270 ** 0.148 **
Knowledge score Attitude score Behavior score
**
*
The values between paths represent the standardized path coefficients. P < 0.05,P < 0.01.
图3 基于板块得分的修正后KAP路径模型
Figure 3 Modified KAP path model based on block scores
缺乏敏感性。 吸系统健康的态度非常积极,而PM2.5污染防治行为
值得注意的是,调查对象对于PM2.5污染影响呼 率远低于相应态度认同率。这提示大学生虽然有

