Associations Between Self-Rated Health and Mortality in the Norwegian Women and Cancer (NOWAC) Study

Figures

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  Figure 1. Flow chart of the study sample, the Norwegian Women and Cancer (NOWAC) study.

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  Figure 2. Multistate design illustrating three transitions that were investigated using flexible parametric survival models. We calculated hazard ratios for the association between baseline self-reported health (SRH) and incident cancer diagnosis (transition 1), baseline SRH and death in the subgroup of women who did not receive a cancer diagnosis (transition 2), and baseline SRH and death in the subgroup of women who received a cancer diagnosis during follow-up (transition 3).

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  Figure 3. Kaplan-Meier survival curves by self-reported health category for the age-adjusted baseline hazard function in the full cohort of the Norwegian Women and Cancer study (n=110,104).

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  Figure 4. Association (hazard ratios [HRs] with 95% confidence intervals) between baseline self-rated health (SRH) and all-cause mortality in the full cohort of the Norwegian Women and Cancer study (n=110,104), assessed with flexible parametric modelling using restricted cubic splines with 3 knots to baseline SRH and 1 degree of freedom for the time-varying effect of baseline SRH. The model was adjusted for age, physical activity level, body mass index, smoking habits, alcohol consumption, duration of education, household income, and living with a spouse or partner.

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  Figure 5. Associations (hazard ratios [HRs] with 95% confidence intervals) between baseline self-rated health (SRH) and cancer incidence in the full cohort of the Norwegian Women and Cancer study (N=110,104) (A), all-cause mortality in the subgroup of women who did not receive a cancer diagnosis (B), all-cause mortality in the subgroup of women who did receive a cancer diagnosis (C), assessed with flexible parametric modelling using restricted cubic splines including baseline SRH as a time-varying covariate. The model was adjusted for age, physical activity level, body mass index, smoking habits, alcohol consumption, duration of education, household income, and living with a spouse or partner.