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. 2020 Sep 15;10(9):e040620. doi: 10.1136/bmjopen-2020-040620

Table 10.

Regression model showing associations between modifiable explanatory variables and stress scores

B 95% CI lower 95% CI upper β P value
4-item Perceived Stress Scale total score
 Age (per decade) −0.25 −0.31 −0.18 −0.12 <0.0001****
 Female 0.35 0.12 0.59 0.04 0.003**
 Live alone −0.41 −0.67 −0.14 −0.04 0.002**
 Black, Asian and Minority Ethnic background 0.26 −0.04 0.55 0.02 0.09
 Key worker −0.39 −0.58 −0.21 −0.06 <0.0001****
Risk group‡
 Most at risk 0.03 −0.41 0.47 0.00 0.90
 Increased risk 0.02 −0.21 0.26 0.00 0.83
Perceived loneliness (per unit) 0.19 0.15 0.23 0.15 <0.0001****
Positive mood (per unit) −0.38 −0.40 −0.36 −0.60 <0.0001****
COVID-19 worry†
 No worry −0.05 −0.30 0.19 −0.01 0.68
 Much of time 0.37 0.10 0.63 0.04 0.007**
 Most of time 1.02 0.54 1.50 0.06 <0.0001****
Perceived risk of COVID-19 (per unit) 0.06 0.02 0.11 0.04 0.004**
Adjusted R2=0.57, n=2494

*p<0.05, **p<0.01, ***p<0.001, ****p<0.0001.

†Comparison reference group ‘I occasionally worry about getting COVID-19’.

‡Comparison reference group ‘I am in neither risk category’.