[
 {"id":"C1","text":"In 2023 (n=197 countries/economies), life expectancy is positively associated with ln GDP per capita: slope 5.27 years per log-point, HC3 95% CI [4.85, 5.68], excluding zero.","results_keys":["analysis_year","n_analysed","effect_estimate","effect_se","effect_ci_low","effect_ci_high","conclusion"],"status":"supported","caveat":"Associational only; CI ignores measurement error in GDP-PPP and modelled LE."},
 {"id":"C2","text":"The relationship is strong: Pearson r = 0.86, R² = 0.74, and the log-income model cuts RMSE from 7.08 to 3.59 years relative to the mean-only baseline.","results_keys":["pearson_r","r_squared","baseline_metric","model_metric"],"status":"supported","caveat":"In-sample fit; no out-of-sample validation."},
 {"id":"C3","text":"2023 is the most recent year with both indicators for at least 150 countries; 20 countries/economies were excluded for missing GDP per capita, without imputation.","results_keys":["analysis_year","n_excluded_missing","data_issues"],"status":"supported","caveat":"Excluded economies are non-randomly selected (microstates, conflict/sanctioned states), so selection bias is possible."},
 {"id":"C4","text":"The slope is robust to the choice of robust SE variant, to bootstrap inference, and to dropping influential or volatile-data countries (all within the main CI).","results_keys":["effect_estimate","effect_ci_low","effect_ci_high"],"status":"supported","caveat":"Supporting numbers are in out/sensitivity.json, not results.json; the 2019 slope (5.92) lies outside the 2023 CI, so the slope is not stable over time."}
]