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. 2019 May 3;19:130. doi: 10.1186/s12909-019-1561-7

Table 2.

Unstandardized coefficient estimates for linear regression analysis and quantile regression analysis (selected quantiles)

Variable Linear Regression Coefficient (p value) Quantile Regression – Coefficient (p value)
5th 10th 25th 50th 75th
Gender (female) .15 (p = .12) .20 (p = .55) .42 (p = .06) .35 (p = .01) .07 (p = .43) .13 (p = .28)
Age (per year) .01 (p < .001) .04 (p = .01) .03 (p = .01) .01 (p = .02) .01 (p = .01) .01 (p = .11)
No. of children −.05 (p = .16) −.01 (p = .85) −.03 (p = .70) −.09 (p = .04) −.03 (p = .25) −.05 (p = .16)
Profession (Paramedical staff) Physician −.06 (p = .66) −.30 (p = .50) −.23 (p = .46) −.06 (p = .72) .10 (p = .37) −.09 (p = .57)
Nurse −.46 (p < .001) −.66 (p = .12) −.71 (p = .02) −.42 (p = .01) −.45 (p < .001) −.31 (p = .03)
Marital status (Single) Married −.25 (p = .04) −.58 (p = .15) −.55 (p = .04) −.21 (p = .21) −.15 (p = .19) −.01 (p = .98)
Divorced −.02 (p = .91) −.43 (p = .50) −.40 (p = .35) .12 (p = .62) .15 (p = .37) .19 (p = .38)
Other −.18 (p = .78) .20 (p = .73) −.36 (p = .50) −.83 (p = .08) .34 (p = .51) .28 (p = .50)
Knowledge score (% correct) −.01 (p = .68) −.03 (p = .96) −.01 (p = .84) −.02 (p = .40) −.01 (p = .64) .01 (p = .79)
Efficacy score (average) .24 (p < .001) .35 (p = .02) .30 (p = .01) .30 (p < .001) .28 (p < .001) .13 (p = .01)
Concern for family −.11 (p = .01) −.16 (p = .24) −.14 (p = .16) −.10 (p = .09) −.07 (p = .05) −.08 (p = .06)
Concern for house .02 (p = .42) −.02 (p = .82) .01 (p = .97) −.01 (p = .67) −.03 (p = .28) .04 (p = .25)
Professional commitment to care for injured or ill .61 (p < .001) .59 (p < .001) .69 (p < .001) .65 (p < .001) .71 (p < .001) .71 (p < .001)
Fear of losing place of employment .02 (p = .40) .04 (p = .61) .06 (p = .25) .06 (p = .09) .01 (p = .46) −.01 (p = .82)
Constant .79 (p = .02) −2.15 (p = .02) −1.97 (p = .01) −.40 (p = .37) .06 (p = .83) 1.24 (p = .002)

Notes: Adjusted R2 for linear regression model = .35; adjusted R2 for quantile regression: 5th = .26; 10th = .27; 25th = .25; 50th = .24; 75th = .20

Reference groups for ‘gender’, ‘profession’, and ‘marital status’ are indicated in parentheses (female, paramedical staff, and single, respectively)

p values set in boldface indicate statistical significance (p<0.05)