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. 2023 Sep 4;11:e16032. doi: 10.7717/peerj.16032

Table 4. Multiple linear regression for scores of knowledge and attitude for different demographics and characteristics of participants (N = 499).

Variable Attitude towards TAT/TIG Attitude towards vaccine General knowledge Recommendation vaccine Total knowledge
Coefficient regression [95% CI] P-value Coefficient regression [95% CI] P-value Coefficient regression
[95% CI]
P-value Coefficient regression
[95% CI]
P-value Coefficient regression
[95% CI]
P-value
Age in years
<30 Ref Ref Ref Ref Ref Ref Ref Ref Ref Ref
30–40 −0.229 [−0.752 to 0.294] 0.390 −0.117 [−0.509 to 0.275] 0.558 0.004 [−0.049 to 0.057] 0.884 0.043 [−0.036 to 0.121] 0.283 0.021 [−0.029 to 0.071) 0.402
40–50 −0.234 [−0.771 to 0.302] 0.391 0.005 [−0.397 to 0.407] 0.981 0.011 [−0.43 to 0.065] 0.690 0.022 [−0.059 to 0.102] 0.592 0.016 [−0.029 to 0.071] 0.541
≥50 −0.306 [−0.937 to 0.326] 0.342 0.016 [−0.457 to −0.490] 0.946 0.014 [−0.050 to 0.078] 0.667 0.027 [−0.068 to 0.122] 0.573 0.020 [−0.055 to 0.071] 0.517
Gender
Female Ref Ref Ref Ref Ref Ref Ref Ref Ref Ref
Male −0.015 [−0.326 to 0.297] 0.927 0.045 [−0.188 to 0.279] 0.703 −0.018 [−0.050 to 0.013] 0.257 0.003 [−0.044 to 0.050] 0.911 −0.009 [−0.039 to 0.019] 0.554
Institution
Clinic Ref Ref Ref Ref Ref Ref Ref Ref Ref Ref
Secondary hospital −0.356 [−1.057 to 0.345] 0.319 −0.019 [−0.545 to 0.506] 0.942 0.021 [0.050 to 0.092] 0.561 −0.012 [−0.118 to 0.093] 0.816 0.006 [−0.061 to 0.072] 0.857
Tertiary hospital −0.196 [−0.881 to 0.489] 0.574 −0.206 [−0.719 to 0.308] 0.432 0.040 [−0.029 to 0.110] 0.253 −0.032 [−0.135 to 0.070] 0.535 0.008 [−0.057 to 0.073] 0.810
Education level
Undergraduate Ref Ref Ref Ref Ref Ref Ref Ref Ref Ref
Postgraduate 0.011 [−0.256 to 0.278] 0.934 0.062 [−0.138 to 0.262] 0.546 0.013 [−0.014 to 0.040] 0.352 0.045 [0.007 to 0.080] 0.029 0.027 [0.002–0.052] 0.037
Area
Northern Ref Ref Ref Ref Ref Ref Ref Ref Ref Ref
Eastern −0.137 [−0.496 to 0.221] 0.452 −0.244 [−0.513 to 0.025] 0.075 0.040 [0.004 to 0.076] 0.031 −0.012 [−0.556 to 0.055] 0.660 0.017 [−0.017 to 0.051] 0.334
Southern −0.198 [−0.516 to 0.120] 0.221 −0.214 [−0.453 to 0.024] 0.076 0.051 [0.019 to 0.083] 0.002 −0.034 [−0.074 to 0.024] 0.167 0.013 [−0.017 to 0.051] 0.388
Western 0.258 [−0.095 to 0.612] 0.152 −0.082 [−0.347 to 0.183] 0.543 0.004 [−0.031 to 0.040] 0.820 −0.050 [−0.113 to 0.004] 0.066 −0.020 [−0.053 to 0.014] 0.249
Central China −0.189 [−0.537 to 0.160] 0.287 −0.192 [−0.453 to 0.069] 0.149 0.051 [0.015 to 0.086] 0.005 −0.053 [−0.084 to 0.023] 0.049 0.005 [−0.028 to 0.038] 0.774
Oversea −0.126 [−0.875 to 0.623] 0.741 −0.233 [−0.795 to 0.329] 0.415 0.005 [–0.070 to 0.081] 0.889 0.013 [−0.126 to 0.099] 0.816 −0.003 [−0.074 to 0.068] 0.936
Information
Non-domestic Ref Ref Ref Ref Ref Ref Ref Ref Ref Ref
Domestic −0.158 [−0.382 to 0.065] 0.164 0.095 [−0.073 to 0.262] 0.267 0.055 [0.033 to 0.078] 0.002 0.055 [0.087 to 1.154] 0.000 0.084 [0.063 to 0.105] 0.000

Note:

TAT, tetanus antitoxin; TIG, tetanus immunoglobulins; CI, confidence interval. Values in bold represent significant results.