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Table 4 Univariate analysis followed by multiple logistic regression analysis

From: Basic life support training for single rescuers efficiently augments their willingness to make early emergency calls with no available help: a cross-over questionnaire survey

Factors Type of questionnaire scenarios
Scenario-M providing if-cases with multiple rescuers Scenario-S providing if-cases with a single rescuer
Willing to make an early emergency call, % (N) p or odds ratio (95% CI) by univariate analysis Adjusted odds ratio by multiple logistic regression analysis Willing to make an early emergency call, % (N) p or odds ratio (95% CI) by univariate analysis Adjusted odds ratio by multiple logistic regression analysis
Timing for questionnaire Pre-training 72% (1,037/1,441) Reference Reference 68% (531/777) Reference Reference
Post-training 97% (751/777) 11.3 (7.49–16.9) 11.6 (7.84–18.0) 82% (1,185/1,441) 2.13 (1.75–2.63) 2.30 (1.86–2.83)
Type of instruction course Course-M (multiple rescuers) 78% (690/885) Reference Reference 75% (661/885) Reference Reference
Course-S (single rescuer) 82% (1,098/1,333) 1.32 (1.07–1.63) 1.11 (0.83–1.49) 80% (1,055/1,333) 1.29 (1.05–1.57) 1.26 (1.00–1.57)
Age, years, median (25%–75%) Unwilling 44 (35–54) p = 0.005 0.99 (0.98–0.99) 44 (35–54) p = 0.400 1.00 (0.99–1.00)
Willing 41 (32–52)    41 (32–52)   
Gender Female 76% (866/1,146) Reference Reference 76% (868–1,146) Reference Reference
Male 86% (922/1,072) 1.99 (1.60–2.48) 1.77 (1.39–2.24) 79% (848–1,072) 1.21 (0.99–1.48) 1.26 (1.02–1.57)
Residential area, % (N) Central 77% (970/750) Reference Reference 75% (730/970) Reference Reference
Others 83% (1,038/1,248) 1.45 (1.17–1.79) 1.25 (0.93–1.67) 79% (986/1,248) 1.24 (1.01–1.51) 1.20 (0.95–1.50)
Occupation Unemployed 78% (550/705) Reference Reference 75% (525/705) Reference Reference
Employed 82% (1,238/1,513) 1.27 (1.02–1.58) 1.22 (0.95–1.57) 79% (1,191/1513) 1.27 (1.03–1.56) 1.09 (0.87–1.37)
Prior BLS training experience None 76% (450/593) p = 0.002 Reference 77% (454/593) p = 0.461 Reference
One time 80% (579/721)   1.17 (0.80–1.73) 77% (556/721)   1.02 (0.72–1.46)
Two times 83% (382/460)   1.32 (0.89–1.96) 80% (368/460)   1.10 (0.77–1.58)
Three times or more 85% (377/444)   1.46 (1.25–2.59) 76% (338/444)   0.65 (0.42–1.02)
Duration from most recent course None 76% (450/593) p = 0.001 Reference 77% (454/593) p = 0.008 Reference
3 years or less 85% (852/1,003)   1.80 (1.25–2.59) 80% (804/1,003)   1.30 (0.94–1.79)
  More than 3 years 78% (486/622)   1.04 (0.72–1.49) 74% (458/622)   0.86 (0.62–1.19)
  1. For factors associated with willingness of respondents to make early emergency calls during Scenarios-S and -M; CI, confidence interval. Odds ratios in italics indicate significant differences.