Sex differences in the association between the muscle quality index and the incidence of depression: A cross-sectional study

Figure 1 Study cohort. NHANES: National Health and Nutrition Examination Survey.

Figure 2 Spline analyses of generalize additive models. Models were adjusted for age, race, marital, educational level, smoke, diabetes, hypertension, hyperlipidemia, cardiovascular disease, cancer, body mass index, recreational activity, poverty income ratio.

Figure 3 Forest plots of subgroup analyses. Age, race, married, education level, recreation activity, poverty income ratio, body mass index, smoking, hypertension, hyperlipidemia, diabetes, cardiovascular disease and cancer were all adjusted except the variable itself. CI: Confidence interval.