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Table 3 Adjusted associationa of bullying and sexual abuse with health-related quality of life (physical and mental component scores) among individuals ≥20 years in South Australia, 2015 (unweighted N = 2873)

From: Bullying and sexual abuse and their association with harmful behaviours, antidepressant use and health-related quality of life in adulthood: a population-based study in South Australia

   PCS MCS
% β (95% CI) β (95% CI)
BULLYING
 Age when started   p = 0.009b p < 0.001b
  Never 54.4 Ref Ref
   < 10 years 9.2 −1.2 (−2.5;0.0) −1.7 (−2.9;-0.4)
  10–19 years 20.7 −1.5 (−2.5;-0.4) −1.5 (− 2.4;-0.6)
  20+ years 15.7 − 1.1 (− 2.2;0.0) −3.1 (−4.2;-2.1)
 Duration (months)   p < 0.001c p < 0.001c
  Never 54.4 Ref Ref
   < 1 month 15.2 −0.9 (−1.9;0.2) − 1.0 (−2.0;0.0)
  1–24 months 23.2 − 1.3 (− 2.3;-0.3) −2.5 (− 3.5;-1.6)
   > 24 months 7.2 − 2.3 (− 3.7;-0.8) − 3.1 (− 4.7;-1.5)
SEXUAL ABUSE
 Age when started   p = 0.006b p < 0.001b
  Never 89.6 Ref Ref
   < 10 years 3.4 −2.2 (−4.8;0.5) −4.3 (−6.3;-2.4)
  10–19 years 4.7 − 2.1 (−3.7;-0.5) −4.6 (−6.7–2.6)
  20+ years 2.4 −4.1 (−7.2;-1.0) −4.1 (− 6.5;-1.7)
 Duration (months)   p = 0.001c p < 0.001c
  Never 89.6 Ref Ref
   < 1 month 5.9 −2.1 (−3.9;-0.4) −3.8 (−5.5;-2.1)
  1–24 months 2.9 − 2.6 (−4.9;-0.4) −6.4 (−8.6;-4.1)
   > 24 months 1.6 − 3.9 (− 7.3;-0.5) −3.1 (− 5.5;-0.6)
  1. PCS physical component summary, MCS mental component summary, β = regression coefficient; 95% CI 95% confidence interval
  2. aResults adjusted for sex, age, marital status, area of residence, educational level, working status, socioeconomic position (Socio-Economic Indexes for Areas Index of Relative Socio-economic Advantage and Disadvantaged), and type of dwelling. Bullying and sexual abuse were also mutually adjusted
  3. bWald test for heterogeneity
  4. cWald test for trend