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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: Qual Life Res. 2013 Dec 10;23(5):1569–1578. doi: 10.1007/s11136-013-0598-z

Figure 2.

Figure 2

Non-linear associations between global stress in the past year and mental HRQoL (Panel A) and physical HRQoL (Panel B) among caregivers (dashed line) and non-caregivers (solid line) in Wisconsin. Panels C and D depict these associations among caregivers reporting high levels of strain (dashed line) and non-caregivers (solid lines). Panel A, p<0.001; Panel B, p<0.001; Panel C, p<0.001; Panel D, p<0.001. 95% confidence intervals are shaded pink for caregivers/high-strain caregivers and grey for non-caregivers. Global stress was measured using the Global Perceived Stress Scale; Caregiver Strain was measured using the Caregiver Strain Index; HRQoL was measured using the Short Form-12 version 2. HRQoL: Health-related quality of life.