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Table 3 Regression coefficients and model summaries of the six steps multiple hierarchical regression analysis including BRFL-10 (dependent variable: DSI-SS)

From: Brief reasons for living inventory: a psychometric investigation

model independent variable β 95%-CI p-value R 2 ΔR 2
1 age −.004 −.016–.008 .472 .079 .075
group −1.106 −1.434 - -.777 < .001   
gender .197 −.149–.543 .263   
2 age −.003 −.015–.008 .597 .151 .145
group .215 −.273–.703 .387   
gender .351 .016–.686 .040   
PHQ-9 .111 .080–.142 < .001   
3 age −.002 −.013–.009 .767 .237 .230
group .193 −.270–.656 .414   
gender .243 −.076–.562 .136   
PHQ-9 .095 .065–.125 < .001   
BRFL-10 −.074 −.092 - -.056 < .001   
4 age −.002 −.013–.009 .746 .250 .242
group .154 −.306–.614 .512   
gender .247 −.069–.564 .125   
PHQ-9 .091 .061–.120 < .001   
BRFL-10 −.067 −.086 - -.049 < .001   
PHQ-9 x BRFL-10 −.004 −.006 - -.001 .002   
  1. 95%-CI = 95% confidence interval; ΔR 2 = corrected R 2; PHQ-9 Patient Health Questionnaire (excluding item 9), BRFL-10 Brief Reasons for Living inventory without child-related concerns